WSKEF / WISeKey International Holding AG - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

WISeKey International Holding AG
US ˙ OTCPK ˙ CH1276062754

Mga Batayang Estadistika
CIK 1738699
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to WISeKey International Holding AG
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
August 4, 2025 EX-99.1

SEALSQ Receives Final Approval from the French Ministry of the Economy, Finance and Industrial and Digital Sovereignty and Completes Acquisition of IC’ALPS

SEALSQ Receives Final Approval from the French Ministry of the Economy, Finance and Industrial and Digital Sovereignty and Completes Acquisition of IC’ALPS Geneva, Switzerland – August 4, 2025 – Ad-Hoc announcement pursuant to Art.

August 4, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of August 2025 Commission File Number: 001-39115

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of August 2025 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

July 15, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of July 2025 Commission File Number: 001-39115 W

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of July 2025 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

July 15, 2025 EX-99.1

SEALSQ Announces Pricing of $60.0 Million Registered Direct Offering

SEALSQ Announces Pricing of $60.0 Million Registered Direct Offering Offering to be led by Heights Capital Management, Inc., and will consist of ordinary shares sold at $4.00 per share, accompanied by warrants with an exercise price of $4.60. Geneva, Switzerland, July 14, 2025 - SEALSQ Corp (NASDAQ: LAES) ("SEALSQ" or "Company"), a company that focuses on developing and selling Semiconductors, PKI

July 3, 2025 EX-99.1

SEALSQ Corp Announces H1 2025 Preliminary Revenue and Other Key Financial Metrics: Updates on Planned Deployment of Post-Quantum Security Solutions by 2025 Year-End Announces FY 2025 revenue guidance of between $16.0 million to $20.0 million, represe

SEALSQ Corp Announces H1 2025 Preliminary Revenue and Other Key Financial Metrics: Updates on Planned Deployment of Post-Quantum Security Solutions by 2025 Year-End Announces FY 2025 revenue guidance of between $16.

July 3, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of July 2025 Commission File Number: 001-39115 W

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of July 2025 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

June 17, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of June 2025 Commission File Number: 001-39115 W

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of June 2025 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

June 17, 2025 EX-99.1

SEALSQ Invests $10 Million in WISeSat.Space, at $115 Million Pre-Money Valuation, to Accelerate Planned Satellite Constellation Deployment, Space-Based Quantum Key Distribution (QKD) Communications, and Decentralized IoT Transactions

SEALSQ Invests $10 Million in WISeSat.Space, at $115 Million Pre-Money Valuation, to Accelerate Planned Satellite Constellation Deployment, Space-Based Quantum Key Distribution (QKD) Communications, and Decentralized IoT Transactions Geneva, Switzerland, June 17, 2025 - SEALSQ Corp (NASDAQ: LAES) ("SEALSQ" or "Company"), a company that focuses on developing and selling Semiconductors, PKI, and Pos

June 4, 2025 EX-99.1

WISeKey International Holding Ltd Announces Adjournment of 2025 Annual General Meeting

WISeKey International Holding Ltd Announces Adjournment of 2025 Annual General Meeting Zug, Switzerland, June 4, 2025 – Ad-Hoc announcement pursuant to Art.

June 4, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of June 2025 Commission File Number: 001-39115 W

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of June 2025 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

May 27, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of May 2025 Commission File Number: 001-39115 WI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of May 2025 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

May 27, 2025 EX-10.1

SHARE SALE AND PURCHASE AGREEMENT DOLIAM SAS JEAN-LUC TRIOULEYRE LUCILLE ENGELS SEAL SQ CORP DATED May 26, 2025 TABLE OF CONTENTS

SHARE SALE AND PURCHASE AGREEMENT Between DOLIAM SAS JEAN-LUC TRIOULEYRE LUCILLE ENGELS (Sellers) And SEAL SQ CORP (Buyer) DATED May 26, 2025 TABLE OF CONTENTS 1.

May 27, 2025 EX-99.1

SEALSQ Corp, a member of the WISeKey Group, Signs a Share Purchase Agreement to Acquire 100% of IC'ALPS

SEALSQ Corp, a member of the WISeKey Group, Signs a Share Purchase Agreement to Acquire 100% of IC'ALPS Geneva, Switzerland – May 27, 2025 – Ad-Hoc announcement pursuant to Art.

May 22, 2025 EX-99.1

WISeKey Updates on the Negotiations to Acquire 100% of IC'ALPS

WISeKey Updates on the Negotiations to Acquire 100% of IC'ALPS Geneva, Switzerland – May 22, 2025 – Ad-Hoc announcement pursuant to Art.

May 22, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of May 2025 Commission File Number: 001-39115 WI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of May 2025 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

May 20, 2025 EX-99.1

WISeKey International Holding Ltd Announces Agenda Items to be Approved by Shareholders at its 2025 Annual General Meeting Scheduled for June 19, 2025

WISeKey International Holding Ltd Announces Agenda Items to be Approved by Shareholders at its 2025 Annual General Meeting Scheduled for June 19, 2025 Zug, Switzerland, May 20, 2025 – Ad-Hoc announcement pursuant to Art.

May 20, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of May 2025 Commission File Number: 001-39115 WI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of May 2025 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

April 18, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of April 2025 Commission File Number: 001-39115

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of April 2025 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

April 18, 2025 EX-99.1

WISeKey Releases 2024 Audited Financial Results and Outlines its 2025 Vision for Post Quantum Technology Convergence Schedules Conference Call and Webcast for Tuesday, April 22 at 10:00 am ET (4:00 pm CET)

WISeKey Releases 2024 Audited Financial Results and Outlines its 2025 Vision for Post Quantum Technology Convergence Schedules Conference Call and Webcast for Tuesday, April 22 at 10:00 am ET (4:00 pm CET) Geneva, Switzerland – April 17, 2025 – Ad-Hoc announcement pursuant to Art.

April 17, 2025 EX-12.2

CERTIFICATION

CERTIFICATION I, John O’ Hara, certify that: 1. I have reviewed this annual report on Form 20-F of WISeKey International Holding AG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to

April 17, 2025 EX-11.1

WISeKey International Holding AG

WISeKey International Holding AG Insider Trading Policy As of April 10, 2025 Table of Contents 1.

April 17, 2025 EX-4.26

SECURITIES PURCHASE AGREEMENT

SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (this “Agreement”) is dated as of December 12, 2024, between SEALSQ Corp.

April 17, 2025 EX-4.32

SEALSQ CORP. Avenue Louis-Casaï 58 1216 Cointrin, Switzerland

SEALSQ CORP. Avenue Louis-Casaï 58 1216 Cointrin, Switzerland December 30, 2024 To the Holders of the July 2023, January 2024 and January 2024 Ordinary Share Purchase Warrants Re: Inducement Offer to Exercise Existing Ordinary Share Purchase Warrants Dear Holder: SEALSQ Corp. (the “Company”) is pleased to offer to you the opportunity to exercise (i) the July 2023 warrants (the “First Tranche Warra

April 17, 2025 EX-12.1

CERTIFICATION

CERTIFICATION I, Carlos Moreira, certify that: 1. I have reviewed this annual report on Form 20-F of WISeKey International Holding AG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect t

April 17, 2025 EX-4.31

[The remainder of this page has been intentionally left blank.]

December 17, 2024 Mr. Carlos Moreira Chief Executive Officer SEALSQ Corp. Avenue Louis-Casaï 58 1216 Cointrin, Switzerland, Dear Mr. Moreira This letter (the “Agreement”) constitutes the agreement between Maxim Group LLC (“Maxim” or the “Placement Agent”) and SEALSQ Corp., a British Virgin Islands company (the “Company”), pursuant to which the Placement Agent shall serve as the placement agent for

April 17, 2025 EX-13.1

CERTIFICATION

CERTIFICATION The certification set forth below is being submitted in connection with the annual report of WISeKey International Holding AG (the “Company”) on Form 20-F for the period ending December 31, 2024, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), for the purpose of complying with Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 (the “Exchange Act”) and Section 1350 of Chapter 63 of Title 18 of the United States Code.

April 17, 2025 EX-4.30

SECURITIES PURCHASE AGREEMENT

SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (this “Agreement”) is dated as of December 17, 2024, between SEALSQ Corp.

April 17, 2025 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 or ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES E

April 17, 2025 EX-13.2

CERTIFICATION

CERTIFICATION The certification set forth below is being submitted in connection with the annual report of WISeKey International Holding AG (the “Company”) on Form 20-F for the period ending December 31, 2024, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), for the purpose of complying with Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 (the “Exchange Act”) and Section 1350 of Chapter 63 of Title 18 of the United States Code.

April 17, 2025 EX-2.4

DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT

Exhibit 2.4 DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT As of December 31, 2024 WISeKey International Holding AG (“WISeKey,” “we,” “us,” and “our”) had the following series of securities registered pursuant to Section 12(b) of the Exchange Act: Title of each class Trading Symbols Name of each exchange and on which registered American Depositary Shares, each representi

April 17, 2025 EX-4.27

[The remainder of this page has been intentionally left blank.]

December 12, 2024 Mr. Carlos Moreira Chief Executive Officer SEALSQ Corp. Avenue Louis-Casaï 58 1216 Cointrin, Switzerland, Dear Mr. Moreira This letter (the “Agreement”) constitutes the agreement between Maxim Group LLC (“Maxim” or the “Placement Agent”) and SEALSQ Corp., a British Virgin Islands company (the “Company”), pursuant to which the Placement Agent shall serve as the placement agent for

April 17, 2025 EX-4.29

[The remainder of this page has been intentionally left blank.]

December 16, 2024 Mr. Carlos Moreira Chief Executive Officer SEALSQ Corp. Avenue Louis-Casaï 58 1216 Cointrin, Switzerland, Dear Mr. Moreira This letter (the “Agreement”) constitutes the agreement between Maxim Group LLC (“Maxim” or the “Placement Agent”) and SEALSQ Corp., a British Virgin Islands company (the “Company”), pursuant to which the Placement Agent shall serve as the placement agent for

April 17, 2025 EX-4.28

SECURITIES PURCHASE AGREEMENT

SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (this “Agreement”) is dated as of December 16, 2024, between SEALSQ Corp.

October 23, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: October 23, 2024 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: October 23, 2024 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

October 23, 2024 EX-1.1

WISeKey Enters Into $30 Million Convertible Notes Subscription Agreements

WISeKey Enters Into $30 Million Convertible Notes Subscription Agreements Geneva, Switzerland – October 23, 2024: – Ad-Hoc announcement pursuant to Art.

September 30, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of September 2024 Commission File Number: 001-39

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of September 2024 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

September 30, 2024 6-K

6-K

HALF-YEAR REPORT WISeKey International Holding Ltd. SIX: WIHN; NASDAQ: WKEY1 INDEX Page 1. CEO Le er to Shareholders ………………………………………………….. 2 2. About WISeKey ……………………………………………………………………. 10 3. Management Discussion & Analysis …………………………………….. 12 4. Our Subsidiaries …………………………………………………………………… 20 4.1 SEALSQ ……………………………………………………………. 20 4.2 WISeSat.Space ……………………………....................... 31 4.3 WISe.A

September 30, 2024 EX-99.1

WISeKey Announces First Half 2024 Unaudited Financial Results and Updates on Strategic Business Initiatives Substantial R&D investments aimed at securing a competitive edge in the fast-approaching era of post-quantum computing Schedules Conference Ca

WISeKey Announces First Half 2024 Unaudited Financial Results and Updates on Strategic Business Initiatives Substantial R&D investments aimed at securing a competitive edge in the fast-approaching era of post-quantum computing Schedules Conference Call and Webcast for Wednesday, October 2 at 10:00 am ET (4:00 pm CET) Geneva, Switzerland – September 30, 2024: – Ad-Hoc announcement pursuant to Art.

August 19, 2024 EX-1.1

SEALCOIN Secures $50 Million Investment Commitment from GEM Digital Limited Through a Structured Token Subscription Agreement of the SEALCOIN Utility Token to Develop Decentralized Physical Internet Network (DePIN)

SEALCOIN Secures $50 Million Investment Commitment from GEM Digital Limited Through a Structured Token Subscription Agreement of the SEALCOIN Utility Token to Develop Decentralized Physical Internet Network (DePIN) · The investment commitment from GEM Digital Limited, a digital asset investment firm based in The Bahamas that actively sources, structures and invests in utility tokens listed on over 30 CEXs and DEXs globally.

August 19, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: August 19, 2024 Commission File Number: 001-39

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: August 19, 2024 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

July 1, 2024 EX-1.1

WISeKey Shareholders Approved All Agenda Items of the 2024 Annual General Meeting

WISeKey Shareholders Approved All Agenda Items of the 2024 Annual General Meeting Zug, Switzerland, June 28, 2024 – WISeKey International Holding Ltd.

July 1, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: June 28, 2024 Commission File Number: 001-3911

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: June 28, 2024 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

July 1, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: For the month of July 2024 Commission File Num

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: For the month of July 2024 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

June 14, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: June 14, 2024 Commission File Number: 001-3911

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: June 14, 2024 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

June 14, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: June 14, 2024 Commission File Number: 001-3911

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: June 14, 2024 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

June 14, 2024 EX-1.1

WISeKey Announces Retirement of Peter Ward as Chief Financial Officer; Appoints John O’Hara as its New Chief Financial Officer

WISeKey Announces Retirement of Peter Ward as Chief Financial Officer; Appoints John O’Hara as its New Chief Financial Officer Geneva, Switzerland – June 14, 2024 – Ad-Hoc announcement pursuant to Art.

June 14, 2024 EX-1.1

SEALCOIN Launches DEPIN IoT Entity Amidst Strategic Investment from The Hashgraph Association

SEALCOIN Launches DEPIN IoT Entity Amidst Strategic Investment from The Hashgraph Association Zurich, Switzerland – June 13, 2024 – WISeKey International Holding AG, (“WISeKey” or “Company”) (SIX: WIHN; Nasdaq: WKEY), a global leader in cybersecurity, digital identity, and Internet of Things (IoT) solutions, and its subsidiary company, SEALSQ Corp ("SEALSQ") (NASDAQ: LAES), a company that focuses

May 28, 2024 EX-1.1

WISeKey International Holding Ltd Announces Agenda Items to be Approved by Shareholders at its 2024 Annual General Meeting

WISeKey International Holding Ltd Announces Agenda Items to be Approved by Shareholders at its 2024 Annual General Meeting Zug, Switzerland, May 28, 2024 – Ad-Hoc announcement pursuant to Art.

May 28, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 28, 2024 Commission File Number: 001-39115

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 28, 2024 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

May 16, 2024 6-K

6-K

ANNUAL REPORT 20233 INDEX 1. CEO LETTER TO SHAREHOLDERS 5 2. MANAGEMENT DISCUSSION & ANALYSIS 9 3. OUR BUSINESS 20 3.1 SEALSQ, OUR SEMICONDUCTOR VERTICAL 21 3.2 WISESAT OUR SATELLITE VERTICAL 49 3.3 WISE.ART OUR FINE ARTS AND LUXURY DISPLAY AND MARKET PLACE 54 3.4 WISEID OUR TRUST SERVICES VERTICAL 57 4. REMUNERATION REPORT 58 4.1 REPORT OF THE STATUTORY AUDITOR 59 4.2 INTRODUCTION 62 4.3 COMPENSA

May 16, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 16, 2024 Commission File Number: 001-39115

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 16, 2024 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

May 15, 2024 EX-13.2

CERTIFICATION

CERTIFICATION The certification set forth below is being submitted in connection with the annual report of WISeKey International Holding AG (the “Company”) on Form 20-F for the period ending December 31, 2023, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), for the purpose of complying with Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 (the “Exchange Act”) and Section 1350 of Chapter 63 of Title 18 of the United States Code.

May 15, 2024 EX-1.1

WISeKey International Holding AG

Statuten der WISeKey International Holding AG (WISeKey International Holding SA) (WISeKey International Holding Ltd) Articles of Association of WISeKey International Holding Ltd (WISeKey International Holding AG) (WISeKey International Holding SA) Statuten der WISeKey International Holding AG Articles of Association of WISeKey International Holding Ltd 2 | 35 I.

May 15, 2024 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 or ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES E

May 15, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 15, 2024 Commission File Number: 001-39115

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 15, 2024 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

May 15, 2024 EX-12.2

CERTIFICATION

CERTIFICATION I, Peter Ward, certify that: 1. I have reviewed this annual report on Form 20-F of WISeKey International Holding AG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to th

May 15, 2024 EX-1.1

WISeKey International Holding Ltd Reports Strong Fiscal Year 2023 Financial Results and Provides Updates on Its Strategic Initiatives Conference Call Scheduled for May 21 at 10:00am ET (4:00pm CET)

WISeKey International Holding Ltd Reports Strong Fiscal Year 2023 Financial Results and Provides Updates on Its Strategic Initiatives Conference Call Scheduled for May 21 at 10:00am ET (4:00pm CET) Zug, Switzerland – May 15, 2024 – – Ad-Hoc announcement pursuant to Art.

May 15, 2024 EX-12.1

CERTIFICATION

CERTIFICATION I, Carlos Moreira, certify that: 1. I have reviewed this annual report on Form 20-F of WISeKey International Holding AG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect t

May 15, 2024 EX-13.1

CERTIFICATION

CERTIFICATION The certification set forth below is being submitted in connection with the annual report of WISeKey International Holding AG (the “Company”) on Form 20-F for the period ending December 31, 2023, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), for the purpose of complying with Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 (the “Exchange Act”) and Section 1350 of Chapter 63 of Title 18 of the United States Code.

May 15, 2024 EX-97.1

WISeKey International Holding AG [“the Company”]

Clawback Policy WISeKey International Holding AG WISeKey International Holding AG [“the Company”] CLAWBACK POLICY 1.

May 15, 2024 EX-2.4

DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT

Exhibit 2.5 DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT As of December 31, 2023 WISeKey International Holding AG (“WISeKey,” “we,” “us,” and “our”) had the following series of securities registered pursuant to Section 12(b) of the Exchange Act: Title of each class Trading Symbols Name of each exchange and on which registered American Depositary Shares, each representi

April 30, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: April 30, 2024 Commission File Number: 001-391

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: April 30, 2024 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

April 30, 2024 EX-1.1

WISeKey International Holding Ltd Receives Extension of the Deadline for the Publication of its FY 2023 Annual Report and Releases Unaudited FY 2023 Key Metrics Also Files Form 12b-25 with SEC Related to Annual Report on Form 20-F

Exhibit 1.1 WISeKey International Holding Ltd Receives Extension of the Deadline for the Publication of its FY 2023 Annual Report and Releases Unaudited FY 2023 Key Metrics Also Files Form 12b-25 with SEC Related to Annual Report on Form 20-F Zug, Switzerland, April 30, 2024 – Ad hoc announcement pursuant to Art. 53 of SIX Listing Rules – WISeKey International Holding Ltd. (“WISeKey” or the “Compa

April 29, 2024 NT 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One): ☐ Form 10-K ☒ Form 20-F ☐ Form 11-K ☐ Form 10-Q ☐ Form N-SAR ☐ Form N-CSR For Period Ended: December 31, 2023 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q ☐ Transition Report on Form N-SAR For the Transition Period Ended: Nothing in this form shall be construed to imply that the Commission has verified any information contained herein.

February 13, 2024 SC 13G

LAES.V / SEALSQ Corp / Wisekey International Holding S.A. Passive Investment

SC 13G 1 e619234sc13g-sealsq.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* SEALSQ CORP (Name of Issuer) Ordinary Shares, par value $0.01 per share (Title of Class of Securities) G79483106 (CUSIP Number) December 31, 2023 (Date of Event which Requires Filing of this Statement) Check the appropriat

November 15, 2023 EX-1.1

WISeKey Raises Revenue Guidance for Full Year 2023

Exhibit 1.1 WISeKey Raises Revenue Guidance for Full Year 2023 Zug, Switzerland – November 15, 2023 – Ad-Hoc announcement pursuant to Art. 53 of SIX Listing Rules– WISeKey International Holding Ltd. (“WISeKey”) (SIX: WIHN, NASDAQ: WKEY), a leader in cybersecurity, digital identity, and Internet of Things (IoT) solutions operating as a holding company, today updated its full year (“FY”) 2023 revenu

November 15, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: November 15, 2023 Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: November 15, 2023 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

October 17, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: October 17, 2023 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: October 17, 2023 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

October 17, 2023 EX-1.1

WISeKey Announces Nine Month 2023 Unaudited Revenue of $22.6 Million; Reports a 21% Increase from the Nine Month 2022 Period WISeKey Charts Path for Revenue Expansion Beyond Cybersecurity and Semiconductors.

Exhibit 1.1 WISeKey Announces Nine Month 2023 Unaudited Revenue of $22.6 Million; Reports a 21% Increase from the Nine Month 2022 Period WISeKey Charts Path for Revenue Expansion Beyond Cybersecurity and Semiconductors. ZUG, Switzerland – October 17 , 2023 – Ad-Hoc announcement pursuant to Art. 53 of SIX Listing Rules– WISeKey International Holding Ltd. (“WISeKey”) (SIX: WIHN, NASDAQ: WKEY), a lea

September 29, 2023 EX-1.1

WISeKey International Holding Ltd Half-year Report January – June 2023 Condensed Consolidated Financial statements WISeKey International Holding AG

Exhibit 1.1 WISeKey International Holding Ltd Half-year Report January – June 2023 Condensed Consolidated Financial statements of WISeKey International Holding AG (unaudited) Contents 1. Condensed Consolidated Statements of Comprehensive Income/(Loss) 3 2. Condensed Consolidated Balance Sheets 5 3. Condensed Consolidated Statements of Changes in Shareholders’ Equity 7 4. Condensed Consolidated Sta

September 29, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: September 29, 2023 Commission File Number: 001

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: September 29, 2023 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

September 29, 2023 EX-1.2

WISeKey Announces First Half 2023 Financial Results Reports 39% Increase in Revenue and 69% Increase in Gross Profit Substantial Pipeline of New Business Opportunities for All Verticals Conference Call Scheduled for Monday, October 2 at 12:00 pm ET (

WISeKey Announces First Half 2023 Financial Results Reports 39% Increase in Revenue and 69% Increase in Gross Profit Substantial Pipeline of New Business Opportunities for All Verticals Conference Call Scheduled for Monday, October 2 at 12:00 pm ET (6:00 pm CET) GENEVA – September 29, 2023 – Ad-Hoc announcement pursuant to Art.

August 10, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: August 10, 2023 Commission File Number: 001-39

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: August 10, 2023 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

August 10, 2023 EX-1.1

WISeKey Releases CEO Letter to Shareholders

Exhibit 1.1 WISeKey Releases CEO Letter to Shareholders Geneva, August 10, 2023 - WISeKey International Holding Ltd. (“WISeKey”) (SIX: WIHN, NASDAQ: WKEY), a leader in cybersecurity, AI, Blockchain, and IoT operating as a holding company, today released a letter to shareholders from Carlos Moreira, its Founder and CEO. To our Esteemed Shareholders, I am pleased to take this opportunity to summariz

June 21, 2023 EX-1.1

WISeKey to Split its ADS on July 5, 2023

EX-1.1 2 e618723ex1-1.htm Exhibit 1.1 WISeKey to Split its ADS on July 5, 2023 Geneva, Switzerland, June 21, 2023 – WISeKey International Holding Ltd. (NASDAQ: WKEY / SIX: WIHN) (“WISeKey” or the “Company” or the “Group”), a leading cybersecurity and IoT company, announced today a 1-for-2.5 reverse split of American Depository Shares (“ADS”) listed on the NASDAQ under the ticker “WKEY” (the “ADS R

June 21, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: June 21, 2023 Commission File Number: 001-3911

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: June 21, 2023 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

May 19, 2023 EX-1.1

WISeKey Announces Final Distribution Ratios for Partial Spin-Off Distribution of SEALSQ

Exhibit 1.1 WISeKey Announces Final Distribution Ratios for Partial Spin-Off Distribution of SEALSQ Zug, Switzerland – May 19, 2023– As previously announced, shareholders of WISeKey International Holding Ltd (“WISeKey” or “Company”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity and IoT company, approved a special dividend-in-kind in the form of 1,500,300 Ordinary Shares in SEALSQ Corp

May 19, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 19, 2023 Commission File Number: 001-39115

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 19, 2023 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

May 10, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 10, 2023 Commission File Number: 001-39115

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 10, 2023 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

May 10, 2023 EX-1.1

WISeKey Announces Record Dates, Distribution Dates and Ex-Dividend Dates for Special Dividend-in-Kind and Launch of Tax Solicitation Process for WISeKey Class B Shareholders to Ensure Correct Tax Withholding Treatment: Shareholder Action Is Required

Exhibit 1.1 WISeKey Announces Record Dates, Distribution Dates and Ex-Dividend Dates for Special Dividend-in-Kind and Launch of Tax Solicitation Process for WISeKey Class B Shareholders to Ensure Correct Tax Withholding Treatment: Shareholder Action Is Required Zug, Switzerland – May 10, 2023– WISeKey International Holding Ltd (“WISeKey” or “Company”) (SIX: WIHN, NASDAQ: WKEY), a leading global cy

May 5, 2023 EX-1.3

WISeKey International Holding AG Statutory Financial Statements As at December 31, 2022

Exhibit 1.3 WISeKey International Holding AG Statutory Financial Statements As at December 31, 2022 Phone +41 22 322 24 24 Fax +41 22 322 24 00 www.bdo.ch BDO Ltd Rte. De Meyrin 123 Case postale 150 1215 Genève 15 STATUTORY AUDITOR'S REPORT To the general meeting of WISeKey International Holding AG, Zug Report on the Audit of the Financial Statements Opinion We have audited the financial statement

May 5, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 5, 2023 Commission File Number: 001-39115

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 5, 2023 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

May 5, 2023 6-K

ANNUAL REPORT OF WISEKEY INTERNATIONAL HOLDING AG

ANNUAL REPORT 2022 Website: www.wisekey.com WISeKey International Holdings Ltd. 1 Annual Report 2022 TABLE OF CONTENTS CEO LETTER TO SHAREHOLDERS 2 MANAGEMENT DISCUSSION &ANALYSIS OF FINANCIAL CONDITION & RESULTS OF OPERATIONS 6 ROOT OF TRUST & SECURE HARDWARE 15 2022 STRATEGIC PARTNERSHIPS 18 INVESTS R&D IN POST QUANTUM COMPUTING 19 SEMICONDUCTORS 2022 HIGHLIGHTS 21 WISESAT 2022 HIGHLIGHTS 28 WIS

May 5, 2023 EX-1.2

WISeKey International Holding Ltd Consolidated Financial Statements As at December 31, 2022

Exhibit 1.2 WISeKey International Holding Ltd Consolidated Financial Statements As at December 31, 2022 The page numbers below refer only to the F pages of the annual report. Contents 1. Report of the Statutory Auditor F-2 2. Consolidated Statements of Comprehensive Income/(Loss) F-7 3. Consolidated Balance Sheets F-9 4. Consolidated Statements of Changes in Shareholders’ Equity F-11 5. Consolidat

May 3, 2023 EX-1.1

WISeKey Announces Filing of Its 2022 Annual Report on Form 20-F

Exhibit 1.1 WISeKey Announces Filing of Its 2022 Annual Report on Form 20-F Zug, Switzerland – May 2, 2023– WISeKey International Holding Ltd (“WISeKey” or “Company”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity and IoT company, today announced that it filed its annual report on Form 20-F (the "Form 20-F") for the year ended December 31, 2022 with the U.S. Securities and Exchange Comm

May 3, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 3, 2023 Commission File Number: 001-39115

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 3, 2023 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

April 28, 2023 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 or ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES E

April 28, 2023 EX-2.4

WISEKEY INTERNATIONAL HOLDINGS S.A. THE BANK OF NEW YORK MELLON, as Depositary OWNERS AND HOLDERS OF AMERICAN DEPOSITARY SHARES Amended and Restated Deposit Agreement May 19, 2022 TABLE OF CONTENTS

WISEKEY INTERNATIONAL HOLDINGS S.A. AND THE BANK OF NEW YORK MELLON, as Depositary AND OWNERS AND HOLDERS OF AMERICAN DEPOSITARY SHARES Amended and Restated Deposit Agreement May 19, 2022 TABLE OF CONTENTS ARTICLE 1. DEFINITIONS 1 SECTION 1.1. American Depositary Shares. 1 SECTION 1.2. Commission. 2 SECTION 1.3. Company. 2 SECTION 1.4. Custodian. 2 SECTION 1.5. Deliver; Surrender. 2 SECTION 1.6. D

April 28, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: April 28, 2023 Commission File Number: 001-391

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: April 28, 2023 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

April 28, 2023 EX-12.1

Exhibit 12.1

Exhibit 12.1 CERTIFICATION I, Carlos Moreira, certify that: 1. I have reviewed this annual report on Form 20-F of WISeKey International Holding AG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading w

April 28, 2023 EX-2.5

DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT

Exhibit 2.5 DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT As of December 31, 2022 WISeKey International Holding AG (“WISeKey,” “we,” “us,” and “our”) had the following series of securities registered pursuant to Section 12(b) of the Exchange Act: Title of each class Trading Symbols Name of each exchange and on which registered American Depositary Shares, each representi

April 28, 2023 EX-4.41

Second Amendment to SUBSCRIPTION AGREEMENT

Execution Version Second Amendment to SUBSCRIPTION AGREEMENT WISeKey International Holding AG, a stock corporation (company registration number CHE-143.

April 28, 2023 EX-13.2

CERTIFICATION

CERTIFICATION The certification set forth below is being submitted in connection with the annual report of WISeKey International Holding AG (the “Company”) on Form 20-F for the period ending December 31, 2022, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), for the purpose of complying with Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 (the “Exchange Act”) and Section 1350 of Chapter 63 of Title 18 of the United States Code.

April 28, 2023 EX-12.2

Exhibit 12.2

Exhibit 12.2 CERTIFICATION I, Peter Ward, certify that: 1. I have reviewed this annual report on Form 20-F of WISeKey International Holding AG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with

April 28, 2023 EX-1.1

WISeKey Reports Full Year 2022 Audited Consolidated Financial Results Copy LinkTwitterMore Schedules conference call for May 2 at 3:00 pm CET (9:00 am ET)

Exhibit 1.1 WISeKey Reports Full Year 2022 Audited Consolidated Financial Results Copy LinkTwitterMore Schedules conference call for May 2 at 3:00 pm CET (9:00 am ET) · Revenue growth: 35% increase in FY 2022 revenue to $23.8 million, as compared to $17.6 million in FY 2021. · Strong gross profit margin: FY 2022 gross profit margin increased slightly to 42.4% from 42.2% in FY 2021. · Strong cash p

April 28, 2023 EX-13.1

CERTIFICATION

CERTIFICATION The certification set forth below is being submitted in connection with the annual report of WISeKey International Holding AG (the “Company”) on Form 20-F for the period ending December 31, 2022, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), for the purpose of complying with Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 (the “Exchange Act”) and Section 1350 of Chapter 63 of Title 18 of the United States Code.

April 27, 2023 EX-1.1

WISeKey Shareholders Approved all Resolutions of the Extraordinary General Meeting, and Bell Ceremony for SEALSQ to Take Place at the NASDAQ on May 26, 2023

Exhibit 1.1 WISeKey Shareholders Approved all Resolutions of the Extraordinary General Meeting, and Bell Ceremony for SEALSQ to Take Place at the NASDAQ on May 26, 2023 Zug, Switzerland - April 27, 2023– WISeKey International Holding Ltd (“WISeKey” or “Company”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity and IoT company is pleased to announce that its shareholders approved all items

April 27, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: April 27, 2023 Commission File Number: 001-391

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: April 27, 2023 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

April 21, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: April 21, 2023 Commission File Number: 001-391

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: April 21, 2023 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

April 21, 2023 EX-1.1

WISeKey Semiconductors “SEALSQ Corp” Announces FY 2022 Audited Financial Results: Reports Net Sales of $23.2 Million, Net Income of $5.8 Million and EBITDA of $3.0 Million Semiconductors order growth accelerates; backlog of $36 million for IoT produc

WISeKey Semiconductors “SEALSQ Corp” Announces FY 2022 Audited Financial Results: Reports Net Sales of $23.

April 13, 2023 EX-99.2

Shareholder Information Brochure Spin-Off of WISeKey's Semiconductor Business by Way of a Dividend in Kind Consisting of Ordinary Shares in SEALSQ Corp to be Resolved Upon at the Extraordinary General Meeting of WISeKey International Holding Ltd Thur

Shareholder Information Brochure Spin-Off of WISeKey's Semiconductor Business by Way of a Dividend in Kind Consisting of Ordinary Shares in SEALSQ Corp to be Resolved Upon at the Extraordinary General Meeting of WISeKey International Holding Ltd Thursday, April 27, 2023, 2 p.

April 13, 2023 EX-99.1

Invitation to the Extraordinary General Meeting of WISeKey International Holding Ltd Thursday, April 27, 2023, 2 p.m. Swiss time SIX ConventionPoint Pfingstweidstrasse 110, 8005 Zurich, Switzerland Admittance: 1:30 p.m. Swiss time

Invitation to the Extraordinary General Meeting of WISeKey International Holding Ltd Thursday, April 27, 2023, 2 p.

April 13, 2023 EX-99.3

Registration and Authorization Form

Registration and Authorization Form Extraordinary General Meeting of WISeKey International Holding Ltd Mr Mrs SAMPLE ADD 1 ADD 2 Thursday, April 27, 2023 at 2:00 pm CEST SIX ConventionPoint Pfingstweidstrasse 110 8005 Zürich Admittance: 1:30 p.

April 13, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: April 13, 2023 Commission File Number: 001-391

6-K 1 e6184946k-wisekey.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: April 13, 2023 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (

April 13, 2023 EX-99.4

Admission card for the Extraordinary General Meeting of WISeKey International Holding Ltd

Shareholder: *00000000* Card Owner: SAMPLE ADD 1 Mr Mrs SAMPLE ADD 1 ADD 2 Admission card for the Extraordinary General Meeting of WISeKey International Holding Ltd Thursday, April 27, 2023, 2:00 p.

April 13, 2023 EX-99.5

Dear valued ADR holder,

Dear valued ADR holder, We herewith inform you that the Extraordinary General Meeting (the “EGM”) of the Shareholders of WISeKey International Holding Ltd (the “Company”) will be held on April 27, 2023, and that all holders as of the close of business on March 20, 2023 will be entitled to vote.

April 4, 2023 EX-1.1

WISeKey International Holding Ltd to Hold Extraordinary General Meeting of Shareholders on April 27 WISeKey’s Board of Directors Recommends Shareholders Vote “FOR” All Proposals Submitted

Exhibit 1.1 WISeKey International Holding Ltd to Hold Extraordinary General Meeting of Shareholders on April 27 WISeKey’s Board of Directors Recommends Shareholders Vote “FOR” All Proposals Submitted Zug, Switzerland, April 4, 2023 – WISeKey International Holding Ltd (“WISeKey” or “Company”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity and IoT company, announced today that the Board o

April 4, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: April 4, 2023 Commission File Number: 001-3911

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: April 4, 2023 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

March 30, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: March 30, 2023 Commission File Number: 001-391

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: March 30, 2023 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

March 30, 2023 EX-1.1

WISeKey International Holding Ltd. Announces Effectiveness of Registration Statement Relating to Proposed Partial Spin-off of its Semiconductor Business

EX-1.1 2 e618417ex1-1.htm Exhibit 1.1 WISeKey International Holding Ltd. Announces Effectiveness of Registration Statement Relating to Proposed Partial Spin-off of its Semiconductor Business Geneva, Switzerland – March 30, 2023 - Ad-Hoc announcement pursuant to Art. 53 of SIX Listing Rules - WISeKey International Holding Ltd. (“WISeKey”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity, A

February 13, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: February 13, 2023 Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: February 13, 2023 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

February 13, 2023 EX-1.1

Press release of WISeKey International Holding AG, issued on February 13, 2023.

Exhibit 1.1 WISeKey Announces Public Filing of Registration Statement Relating to Proposed Spin-off of its Semiconductor Business Geneva, Switzerland, February 13, 2023 – Ad-Hoc announcement pursuant to Art. 53 of SIX Listing Rules– WISeKey International Holding Ltd (NASDAQ: WKEY / SIX: WIHN) (“WISeKey” or the “Company”), a leading Swiss cybersecurity, AI and IoT company announced today that, thro

January 26, 2023 EX-1.1

Press release of WISeKey International Holding AG, issued on January 26, 2023.

Exhibit 1.1 WISeKey Takes Steps to Implement its Semiconductors Quantum Technology WISeKey announces the implementation of project “QUASARS” (QUAntum resistant Secure ARchitecures project) that has officially received the SCS label as a recognition of its quality and innovative aspects GENEVA – January 26, 2023: WISeKey International Holding Ltd. (“WISeKey”) (SIX: WIHN, NASDAQ: WKEY), a leading gl

January 26, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: January 26, 2023 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: January 26, 2023 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

January 3, 2023 EX-1.1

Press release of WISeKey International Holding AG, issued on December 30, 2022.

EX-1.1 2 e618176ex1-1.htm Exhibit 1.1 WISeKey Releases CEO Letter to Shareholders Geneva, Switzerland – December 30, 2022: WISeKey International Holding Ltd. (“WISeKey”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity, AI and IoT company, today released a letter to shareholders from Carlos Moreira, WISeKey's Founder and CEO. Dear Shareholders, As the year comes to a close, we want to tak

January 3, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: January 3, 2023 Commission File Number: 001-39

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: January 3, 2023 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

December 21, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: December 21, 2022 Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: December 21, 2022 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

December 21, 2022 EX-1.1

Press release of WISeKey International Holding AG, issued on December 21, 2022.

EX-1.1 2 e618146ex1-1.htm Exhibit 1.1 WISeKey Re-affirms its 2023 Growth Forecast; Expects to Exceed FY 2022 Revenue Guidance due to Steady Demand for Semiconductors Projects FY 2022 revenue of over $24.5 million, an increase of more than 10% as compared to FY 2021, despite divestiture of arago GmbH Semiconductors order growth accelerates; backlog of $36 million for IoT Semiconductor products stre

November 18, 2022 EX-1.1

Press release of WISeKey International Holding AG, issued on November 18, 2022.

Exhibit 1.1 WISeKey?s FY 2022 Semiconductor Revenue Continues to Surge; 2023 to be a Truly Transformative Year with Revenues Expected to Grow by Over 40% as compared to FY 2022 WISeKey?s IoT segment is expected to generate FY 2022 revenue of approximately $22.7 million, an increase of over 34% as compared to FY 2021 revenue of $16.9 million. For FY 2023, WISeKey?s semiconductor division secured co

November 18, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: November 18, 2022 Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: November 18, 2022 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

November 15, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: November 15, 2022 Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: November 15, 2022 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

November 15, 2022 EX-1.1

Press release of WISeKey International Holding AG, issued on November 15, 2022.

EX-1.1 2 e618019ex1-1.htm Exhibit 1.1 WISeKey, Italpreziosi and Kaufmann & Partners Signed a MoU for a Joint Venture to Commercialize Authenticated and Verified Trusted Gold NFTs The Trusted NFT is Backed by Gold and Precious Metals and Tradable on WISe.ART NFT Marketplace. The Joint Venture PreciousMetalVerse.com will be Launched in January 2023. The TrustedNFT Gold tokens represent ownership ove

October 19, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: October 19, 2022 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: October 19, 2022 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

October 19, 2022 EX-1.1

Press release of WISeKey International Holding AG, issued on October 19, 2022.

Exhibit 1.1 WISeKey Announces FY 2022 Revenue Guidance; Expects Revenue of $24.5 Million, an Increase of 10% as Compared to FY 2021, Despite Divestiture of arago GmbH Semiconductors order growth accelerates; backlog of $37 million for IoT Semiconductors products stretches into 2023 and pipeline of opportunities totals $100 million ZUG, Switzerland ? October 19, 2022: Ad-Hoc announcement pursuant t

October 6, 2022 EX-1.1

Press release of WISeKey International Holding AG, issued on October 6, 2022.

Exhibit 1.1 WISeKey Announces 9-Month 2022 Preliminary Results; Reports Revenue of $20.5 Million, a 69% Increase from the 9-Month 2021 Period Q3 2022 Revenue of $7.9 Million Increased by 44% as Compared to Q3 2021 Backlog of $37 Million for IoT Semiconductors Products Stretches into 2023 and Pipeline of Opportunities Totals $100 Million ZUG, Switzerland ? October 6, 2022: Ad-Hoc announcements purs

October 6, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: October 6, 2022 Commission File Number: 001-39

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: October 6, 2022 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

September 15, 2022 EX-1.1

Press release of WISeKey International Holding AG, issued on September 15, 2022.

WISeKey Announces H1 2022 Results; Reports Total Revenue of $12.6 Million, an Increase of Over 27% from H1 2021 and Net Income Attributable to WISeKey of $2.4 Million Revenue Increase was Mainly due to Higher Demand on Semiconductors / IoT; WISeKey’s H1 2022 Semiconductor Revenue Increased 48% to $10.7 Million from $7.2 Million in H1 2021 Reports Record Backlog of $39 Million for IoT Semiconductor

September 15, 2022 EX-1.2

WISeKey International Holding AG Half-Year Report 2022.

Exhibit 1.2 WISeKey International Holding Ltd Half-year Report January ? June 2022 WISeKey International Holding AG Unaudited Interim Consolidated Financial statements The page numbers below refer only to the F pages of the interim report. Contents 1. Unaudited Consolidated Statements of Comprehensive Income/(Loss) F-3 2. Unaudited Consolidated Balance Sheets F-5 3. Unaudited Consolidated Statemen

September 15, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: September 15, 2022 Commission File Number: 001

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: September 15, 2022 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

July 12, 2022 EX-1.1

Press release of WISeKey International Holding AG, issued on July 12, 2022.

EX-1.1 2 e621834ex1-1.htm Exhibit 1.1 WISeKey Announces H1 2022 Preliminary Results; Reports Revenue of $13 Million, an Increase of Over 25% from H1 2021 Increase of revenue was mainly due to increased demand on semiconductors / IoT; WISeKey’s H1 2022 semiconductor revenue increased 48% to $10.7 million from $7.2 million in H1 2021. Following its refocus on IoT / semiconductors / cybersecurity bus

July 12, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: July 12, 2022 Commission File Number: 001-3911

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: July 12, 2022 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

July 8, 2022 EX-1.1

Press release of WISeKey International Holding AG, issued on July 8, 2022.

Exhibit 1.1 WISeKey Announces the End of its Class B Share Buyback Program Zug, Switzerland, July 8, 2022 ? Ad-Hoc announcement pursuant to Art. 53 of SIX Listing Rules ? WISeKey International Holding Ltd. (?WISeKey? or the ?Company?) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity, AI and IoT company, announced today that it has completed its Class B share buyback program which was put

July 8, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: July 8, 2022 Commission File Number: 001-39115

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: July 8, 2022 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

June 28, 2022 EX-1.1

Press release of WISeKey International Holding AG, issued on June 27, 2022.

EX-1.1 2 e621794ex1-1.htm Exhibit 1.1 WISeKey Announces the Divestiture of arago Zug, Switzerland, June 27, 2022 – Ad-Hoc announcement pursuant to Art. 53 of SIX Listing Rules – WISeKey International Holding Ltd. (“WISeKey” or the “Company”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity, AI and IoT company, announced today that it has transferred its 51% controlling interest in arago G

June 28, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: June 28, 2022 Commission File Number: 001-3911

6-K 1 e6217946k-wisekey.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: June 28, 2022 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (T

June 24, 2022 EX-1.1

Press release of WISeKey International Holding AG, issued on June 24, 2022.

Exhibit 1.1 WISeKey Shareholders Approved All Agenda Items of the 2022 Annual General Meeting Zug, Switzerland, June 24, 2022 ? Ad-Hoc announcement pursuant to Art. 53 of SIX Listing Rules ? WISeKey International Holding Ltd. (?WISeKey? or the ?Company?) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity and IoT company, announced today that its shareholders approved all items on the agenda

June 24, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: June 24, 2022 Commission File Number: 001-3911

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: June 24, 2022 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

June 22, 2022 EX-1.1

Press release of WISeKey International Holding AG, issued on June 22, 2022.

Exhibit 1.1 WISeKey?s ADS Reverse Split to Become Effective on June 23, 2022 Geneva, Switzerland, June 22, 2022 ? Ad-Hoc announcement pursuant to Art. 53 of SIX Listing Rules? WISeKey International Holding Ltd. (NASDAQ: WKEY / SIX: WIHN) (?WISeKey? or the ?Company? or the ?Group?), a leading cybersecurity and IoT company, announced today that its previously announced 1-for-2 reverse split of Ameri

June 22, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: June 22, 2022 Commission File Number: 001-3911

6-K 1 e6217696k-wisekey.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: June 22, 2022 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (T

June 22, 2022 EX-1.1

Press release of WISeKey International Holding AG, issued on June 22, 2022.

WISeKey?s Semiconductor Revenue Surges Despite Shortages in Semiconductor Manufacturing WISeKey?s IoT segment is expected to generate unaudited revenue of approximately $10 million in H1 2022, an increase of over 37% as compared to revenue of $7.

June 22, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: June 22, 2022 Commission File Number: 001-3911

6-K 1 e6217666k-wisekey.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: June 22, 2022 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (T

June 15, 2022 EX-1.1

Press release of WISeKey International Holding AG, issued on June 15, 2022.

Exhibit 1.1 WISeKey to Reverse Split its ADS on June 22, 2022 Geneva, Switzerland, June 15, 2022 ? Ad-Hoc announcement pursuant to Art. 53 of SIX Listing Rules? WISeKey International Holding Ltd. (NASDAQ: WKEY / SIX: WIHN) (?WISeKey? or the ?Company? or the ?Group?), a leading cybersecurity and IoT company, announced today a 1-for-2 reverse split of American Depository Shares (?ADS?) listed on the

June 15, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: June 15, 2022 Commission File Number: 001-3911

6-K 1 e6217446k-wisekey.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: June 15, 2022 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (T

May 13, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 13, 2022 Commission File Number: 001-39115

6-K 1 e6216516k-wisekey.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 13, 2022 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Tr

May 13, 2022 EX-1.1

Press release of WISeKey International Holding AG, issued on May 13, 2022.

WISeKey International Holding Ltd Announces Agenda Items to be Approved by Shareholders at its 2022 Annual General Meeting Zug, Switzerland, May 13, 2022 ? Ad-Hoc announcement pursuant to Art.

May 11, 2022 EX-1.1

Press release of WISeKey International Holding AG, issued on May 11, 2022.

WISeKey Announces Q1 2021 Unaudited Revenue of $4.9 Million and Ends the Quarter with a Strong Cash Position of $25 Million Record demand and backlog, new revenue streams and strategic partnerships have positioned WISeKey well for a strong 2022 Geneva, Switzerland, May 11, 2022 – Ad-Hoc announcement pursuant to Art. 53 of SIX Listing Rules – WISeKey International Holding Ltd– WISeKey International

May 11, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 11, 2022 Commission File Number: 001-39115

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 11, 2022 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

April 26, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: April 26, 2022 Commission File Number: 001-391

6-K 1 e6215896k-wisekey.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: April 26, 2022 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (

April 26, 2022 EX-1.1

Press release of WISeKey International Holding AG, issued on April 25, 2022.

EX-1.1 2 e621589ex1-1.htm WISeKey Announces the Sale of its 51% Stake in ARAGO for EUR 25.5 Million WISeKey Realizes More than 5x Return on Initial Cash Investment in Arago While Preserving Strategic Cooperation on AI for IoT Applications Geneva, Switzerland – April 25, 2022 – Ad-Hoc announcement pursuant to Art. 53 of SIX Listing Rules – WISeKey International Holding Ltd (NASDAQ: WKEY / SIX: WIHN

April 14, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: April 14, 2022 Commission File Number: 001-391

6-K 1 e6215506k-wisekey.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: April 14, 2022 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (

April 14, 2022 EX-1.1

Press release of WISeKey International Holding AG, issued on April 14, 2022.

EX-1.1 2 e621550ex1-1.htm WISeKey Reports FY 2021 Audited Consolidated Financial Results Schedules conference call for Friday, April 29 at 3:00 pm CET (9:00 am ET) · Revenue growth: 51% increase in FY 2021 revenue to $22.3 million, as compared to $14.8 million in FY 2020. · Increase in gross profit margin: FY 2021 gross profit margin increased to 41% from 37% in FY 2020. · Strong cash position: ca

April 13, 2022 EX-13.1

Certification of Carlos Moreira, Chief Executive Officer of WISeKey International Holding AG, pursuant to Section 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

CERTIFICATION The certification set forth below is being submitted in connection with the annual report of WISeKey International Holding AG (the “Company”) on Form 20-F for the period ending December 31, 2021, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), for the purpose of complying with Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 (the “Exchange Act”) and Section 1350 of Chapter 63 of Title 18 of the United States Code.

April 13, 2022 EX-4.33

Agreement for the Subscription of up to $22M Convertible Notes, dated June 29, 2021, between Anson Investments Master Fund LP and WISeKey International Holding AG.

Execution Copy SUBSCRIPTION AGREEMENT dated 29 JUNE 2021 between WISEKEY INTERNATIONAL HOLDING AG as Issuer and Anson Investments Master Fund LP as Investor in respect of UP TO US$ 22,000,000 CONVERTIBLE NOTES convertible into shares in WISeKey International Holding AG CONTENTS Clause Page Schedule 1 Terms and Conditions 1 THIS AGREEMENT is dated as at the date stated at the beginning of this Agreement and made between: (1) WISEKEY INTERNATIONAL HOLDING AG, a stock corporation (company registration number CHE-143.

April 13, 2022 EX-12.1

Certification of Carlos Moreira, Chief Executive Officer of WISeKey International Holding AG, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

CERTIFICATION I, Carlos Moreira, certify that: 1. I have reviewed this annual report on Form 20-F of WISeKey International Holding AG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect t

April 13, 2022 EX-4.40

Share Purchase and Transfer Agreement, dated March 14, 2022, between OGARA GmbH, Neutrino Energy Property GmbH & Co KG, Aquilon Invest GmbH and WISeKey International Holding AG.

Sale arago shares Register of Deeds No. 65 / 2022 Recorded on this 14 March 2022 before me, the undersigned Rechtsanwalt Dr. Michael R. Fischer as duly appointed deputy (hereinafter also the ?Notary?) of the notary in the district of the Higher Regional Court Frankfurt am Main Dr. Karsten M?ller-Eising with offices in Frankfurt am Main, Nextower, Thurn-und-Taxis-Platz 6, Sale arago shares appeared

April 13, 2022 EX-4.34

First Amendment to the Subscription Agreement, dated September 27, 2021, between WISeKey International Holding AG and L1 Capital Global Opportunities Master Fund.

Execution Version FIRST AMENDMENT TO SUBSCRIPTION AGREEMENT WISeKey International Holding AG, a stock corporation (company registration number CHE-143.

April 13, 2022 EX-4.1

WISeKey Employee Share Option Plan, as amended on November 24, 2021.

The World Internet Security Company WISeKey STOCK OPTION PLAN Assumed by WISeKey International Holding Ltd from WISeKey SA (version as in effect since 1 January 2012) with effect as of 24 March 2016, amended on 13 September 2021 and amended on 24 November 2021.

April 13, 2022 EX-4.32

Agreement for the Subscription of up to $22M Convertible Notes, dated June 29, 2021, between L1 Capital Global Opportunities Master Fund and WISeKey International Holding AG.

Execution Copy SUBSCRIPTION AGREEMENT dated 29 JUNE 2021 between WISEKEY INTERNATIONAL HOLDING AG as Issuer and Ll Capital Global Opportunities Master Fund as Investor in respect of UP TO US$ 22,000,000 CONVERTIBLE NOTES convertible into shares in WISeKey International Holding AG CONTENTS Clause Page Schedule 1 Terms and Conditions 1 THIS AGREEMENT is dated as at the date stated at the beginning of this Agreement and made between: (1) WISEKEY INTERNATIONAL HOLDING AG, a stock corporation (company registration number CHE-143.

April 13, 2022 EX-4.38

Amendment Agreement to Draft Term Sheet, dated January 24, 2022, between arago GmbH, Mr. Hans-Christian Boos and WISeKey International Holding AG.

Amendment Agreement to Draft Term Sheet: Equity Financing Mechanism (Agreement) Whereas WISeKey International Holding Ltd (WISeKey) and arago GmbH (arago) (WISeKey and arago each a Party and together the Parties) have entered into an Equity Financing Mechanism Agreement, dated 02 April 2021, and an Addendum Agreement, dated 28 July 2021 (together the Financing Agreement) pursuant to which the Part

April 13, 2022 EX-4.37

Amendment Agreement to Draft Term Sheet, dated July 28, 2021, between arago GmbH, Mr. Hans-Christian Boos and WISeKey International Holding AG.

EXECUTION VERSION Amendment Agreement to Draft Term Sheet: Equity Financing Mechanism (Agreement) Whereas WISeKey International Holding Ltd (WISeKey) and arago GmbH (arago) (WISeKey and arago each a Party and together the Parties) have entered into an Equity Financing Mechanism Agreement (the Financing Agreement) dated 02 April 2021 pursuant to which the Parties have agreed on the mechanism and terms for WISeKey to provide equity financing to arago; Whereas WISeKey has so far provided to arago an amount of 1,232,704.

April 13, 2022 EX-12.2

Certification of Peter Ward, Chief Financial Officer of WISeKey International Holding AG, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

CERTIFICATION I, Peter Ward, certify that: 1. I have reviewed this annual report on Form 20-F of WISeKey International Holding AG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to th

April 13, 2022 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One) ? REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 or ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES E

April 13, 2022 EX-4.39

Second Amendment to the Subscription Agreement, dated March 1, 2022, between WISeKey International Holding AG and L1 Capital Global Opportunities Master Fund.

Execution Version Second Amendment to SUBSCRIPTION AGREEMENT WISeKey International Holding AG, a stock corporation (company registration number CHE- 143.

April 13, 2022 EX-4.31

Investment and Shareholders’ Agreement, dated January 27, 2021, between arago GmbH, Aquilon Invest GmbH, OGARA GmbH, Mr. Hans-Christian Boos and WISeKey International Holding AG.

Exhibit 4.31 Project Leman ? arago ISHA Register of Deeds No. 16 / 2021 Recorded on this 27 January 2021 before me, the undersigned notary in the district of the Higher Regional Court Frankfurt am Main Dr. Karsten M?ller-Eising with offices in Frankfurt am Main, Nextower, Thurn-und-Taxis-Platz 6, appeared there today: 1. Ms. Elena Quach, Rechtsanw?ltin, born on 14 February 1988, residing in Frankf

April 13, 2022 EX-2.5

Description of Securities registered under Section 12 of the Exchange Act.

Exhibit 2.5 DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT As of December 31, 2021 WISeKey International Holding AG (?WISeKey,? ?we,? ?us,? and ?our?) had the following series of securities registered pursuant to Section 12(b) of the Exchange Act: Title of each class Trading Symbols Name of each exchange and on which registered American Depositary Shares, each representi

April 13, 2022 EX-4.35

First Amendment to the Subscription Agreement, dated September 27, 2021, between WISeKey International Holding AG and Anson Investments Master Fund LP.

Execution Version FIRST AMENDMENT TO SUBSCRIPTION AGREEMENT WISeKey International Holding AG, a stock corporation (company registration number CHE-143.

April 13, 2022 EX-4.36

Draft term sheet, dated April 29, 2021, between arago GmbH and WISeKey International Holding AG.

Draft Term Sheet: Equity Financing Mechanism Set forth below is an outline of the proposed mechanism pursuant to which WISeKey International Holding Ltd or one of its affiliates (WISeKey) would commit to equity financing for arago GmbH (arago.

April 13, 2022 EX-13.2

Certification of Peter Ward, Chief Financial Officer of WISeKey International Holding AG, pursuant to Section 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

CERTIFICATION The certification set forth below is being submitted in connection with the annual report of WISeKey International Holding AG (the “Company”) on Form 20-F for the period ending December 31, 2022, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), for the purpose of complying with Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 (the “Exchange Act”) and Section 1350 of Chapter 63 of Title 18 of the United States Code.

January 31, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: January 31, 2022 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: January 31, 2022 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

January 31, 2022 EX-1.1

Press release of WISeKey International Holding AG, issued on January 31, 2022.

Exhibit 1.1 WISeKey Announces Full Year 2021 Preliminary Results with Revenue of $22.2 Million, a 50% Increase from Full Year 2020; Now holds a Record Backlog of $39 Million for IoT Products Stretching into 2023 Demand for IoT semiconductor products has been unprecedented ? WISeKey is receiving $1.3 million of new orders per week Geneva, Switzerland, January 31, 2021 ? Ad-Hoc announcement pursuant

December 15, 2021 EX-1.1

Press release of WISeKey International Holding AG, issued on December 15, 2021.

Exhibit 1.1 WISeKey Releases CEO Letter to Shareholders Zug, Switzerland ? December 15, 2021: Ad-Hoc announcement pursuant to Art. 53 of SIX Listing Rules ? WISeKey International Holding Ltd (NASDAQ: WKEY / SIX: WIHN) (?WISeKey? or the ?Company?), a leading cybersecurity and IoT company, today announced that during its Investor Day held at the NASDAQ MarketSite in Times Square, in New York City on

December 15, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: December 15, 2021 Commission File Number: 001-

6-K 1 e6211636k-wisekey.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: December 15, 2021 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LT

December 6, 2021 EX-4

Exhibit 4: Option Agreement between WISeKey International Holding AG and Peter Ward, dated November 25, 2021

WISEKEY INTERNATIONAL HOLDING LTD STOCK OPTION PLAN This OPTION AGREEMENT is made on 25 November 2021, by and between WISeKey International Holding Ltd, a Swiss corporation, with its seat in Zug (Zug), Switzerland (the "Company") and Peter WARD (the "Participant").

December 6, 2021 EX-7

Exhibit 7: Shareholder Agreement, dated February 6, 2016, between WISeKey International Holding AG and Peter Ward

Shareholder Agreement dated 6 February 2016 by and between WISeKey International Holding AG General-Guisan-Strasse 6 6300 Zug (the Company) and Peter Ward (the Shareholder) (the Company and the Shareholder, each a Party and together, the Parties) 2 | 7 Table of Contents 1.

December 6, 2021 EX-2

Exhibit 2: Option Agreement between WISeKey International Holding AG and Peter Ward, dated September 27, 2019

WISEKEY INTERNATIONAL HOLDING LTD STOCK OPTION PLAN This OPTION AGREEMENT is made on 27/09/2019, by and between WISeKey International Holding Ltd, a Swiss corporation, with its seat in Zug (Zug), Switzerland (the "Company") and WARD Peter (the "Participant").

December 6, 2021 SC 13D

WKEY / WISeKey International Holding AG / Ward Peter Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. )* WISeKey International Holding AG (Name of Issuer) Class A ordinary shares, par value CHF 0.01 per share Class B ordinary shares, par value CHF 0.05 per share (Title of Class of Securities) 97727L200** (CUSIP Number) Peter Ward c/o WISeKey International Ho

December 6, 2021 EX-99.6

Exhibit 6: WISeKey Employee Stock Option Plan, as amended November 24, 2021

The World Internet Security Company WISeKey STOCK OPTION PLAN Assumed by WISeKey International Holding Ltd from WISeKey SA (version as in effect since 1 January 2012) with effect as of 24 March 2016, amended on 13 September 2021 and amended on 24 November 2021.

December 6, 2021 EX-1

Exhibit 1: Share Exchange Undertaking, dated February 6, 2016, between WISeKey International Holding AG, Carlos Moreira and Peter Ward

Share Exchange Undertaking dated 6 February 2016 by and between Carlos Moreira (CM) c/o WISeKey International Holding AG General-Guisan-Strasse 6 6300 Zug WISeKey International Holding AG (the Company) General-Guisan-Strasse 6 6300 Zug and Peter Ward (Shareholder) (CM and the Shareholder, each a Party and together, the Parties) 2 | 3 Whereas A.

December 1, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: December 1, 2021 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: December 1, 2021 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

December 1, 2021 EX-1.1

Press release of WISeKey International Holding AG, issued on November 30, 2021.

EX-1.1 2 e621122ex1-1.htm Exhibit 1.1 WISeKey, Parrot and CasperLabs to Hold a Metaverse Holograminar during WISeKey’s December 13 Investor Day at the Nasdaq MarketSite in New York City GENEVA / New York – November 30, 2021: Ad-Hoc announcement pursuant to Art. 53 of SIX Listing Rules - WISeKey International Holding Ltd. (“WISeKey”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity, AI, Bl

November 30, 2021 EX-11

Exhibit 11: WISeKey Employee Stock Option Plan, as amended November 24, 2021

EX-11 6 e621113ex11.htm The World Internet Security Company WISeKey STOCK OPTION PLAN Assumed by WISeKey International Holding Ltd from WISeKey SA (version as in effect since 1 January 2012) with effect as of 24 March 2016, amended on 13 September 2021 and amended on 24 November 2021. TABLE OF CONTENTS INTRODUCTION 3 THE PLAN 3 A. General Terms and Definitions 3 Article 1 Purpose 3 Article 2 Defin

November 30, 2021 EX-9

Exhibit 9: Option Agreement between WISeKey International Holding AG and Carlos Moreira, dated November 25, 2021

WISEKEY INTERNATIONAL HOLDING LTD STOCK OPTION PLAN This OPTION AGREEMENT is made on 25 November 2021, by and between WISeKey International Holding Ltd, a Swiss corporation, with its seat in Zug (Zug), Switzerland (the "Company") and Carlos MOREIRA (the "Participant").

November 30, 2021 EX-10

Exhibit 10: Option Agreement between WISeKey International Holding AG and Carlos Moreira, dated November 25, 2021

WISEKEY INTERNATIONAL HOLDING LTD STOCK OPTION PLAN This OPTION AGREEMENT is made on 25 November 2021, by and between WISeKey International Holding Ltd, a Swiss corporation, with its seat in Zug (Zug), Switzerland (the "Company") and Carlos MOREIRA (the "Participant").

November 30, 2021 EX-7

Exhibit 7: Reconfirmation Agreement (of the Share Exchange Undertaking), dated November 25, 2021, by and among Carlos Moreira, Philippe Doubre and WISeKey International Holding AG

Reconfirmation Agreement dated as of November 25, 2021 by and between Carlos Moreira c/o WISeKey International Holding AG General-Guisan-Strasse 6 6300 Zug, Switzerland (CM) WISeKey International Holding AG General-Guisan-Strasse 6 6300 Zug, Switzerland (the Company) and Philippe Doubre (the Shareholder) (CM, the Company and the Shareholder, each a Party and together, the Parties) 2 | 3 Whereas A.

November 30, 2021 SC 13D/A

WKEY / WISeKey International Holding AG / Moreira Carlos Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 3)* WISeKey International Holding AG (Name of Issuer) Class A ordinary shares, par value CHF 0.01 per share Class B ordinary shares, par value CHF 0.05 per share (Title of Class of Securities) 97727L200** (CUSIP Number) Carlos Moreira c/o WISeKey Internation

November 23, 2021 EX-1.1

Press release of WISeKey International Holding AG, issued on November 22, 2021.

Exhibit 1.1 WISeKey Announces Full Year 2021 Revenue Guidance of $20 Million, an Increase of 32% as Compared to Full Year 2020 WISeKey’s strong cash position of over $37 million as of November 19, 2021, supports investments in WISe.ART patents and marketplace, a new Nano SEAL chip, Artificial Intelligence as well as new products, IP and opportunities arising from the fast-growing IoT/Cybersecurity

November 23, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: November 23, 2021 Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: November 23, 2021 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

October 13, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: October 13, 2021 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: October 13, 2021 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

October 13, 2021 EX-1.1

Press release of WISeKey International Holding AG, issued on October 13, 2021.

EX-1.1 2 e621008ex1-1.htm Exhibit 1.1 WISeKey Announces 9-Month 2021 Preliminary Results; Reports Revenue of $15.4 Million, a 34% Increase from 9-Month 2020 Period Strong focus on the development and commercialization of WISe.ART an NFT platform for the collectible and luxury market; through the WISe.Art, WISeKey is selling high value NFTs, incorporating the needs of this exclusive and high-volume

September 28, 2021 EX-1.1

Press release of WISeKey International Holding AG, issued on September 28, 2021.

Exhibit 1.1 WISeKey Reports H1 2021 Results WISeKey’s revenue of $9.9 million and strong cash reserves of $38.6 million, support investment in AIoT and the development of its WISe.Art NFT platform, as demand for its Trusted NFT solution increases To host a conference call on September 29 at 9:00 am ET / 3:00 pm CET Zug, Switzerland – September 28, 2021: Ad-Hoc announcement pursuant to Art. 53 of S

September 28, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: September 28, 2021 Commission File Number: 001

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: September 28, 2021 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

September 27, 2021 EX-1.1

Press release of WISeKey International Holding AG, issued on September 24, 2021.

Exhibit 1.1 WISeKey Increases Investment on its NFT Platform by Accessing the Remainder of its $44 Million Convertible Notes Subscription Agreements Signed middle of the Year Zug, Switzerland – September 24, 2021 – WISeKey International Holding Ltd (“WISeKey” or “Company”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity, AI and IoT company, announced today that it has signed an amendment

September 27, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: September 27, 2021 Commission File Number: 001

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: September 27, 2021 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

August 17, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: August 17, 2021 Commission File Number: 001-39

6-K 1 e6208826k-wisekey.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: August 17, 2021 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD

August 17, 2021 EX-1.1

Press release of WISeKey International Holding AG, issued on August 17, 2021.

EX-1.1 2 e620882ex1-1.htm Exhibit 1.1 WISeKey Releases CEO Letter to Shareholders Zug, Switzerland – August 17, 2021: Ad-Hoc announcement pursuant to Art. 53 of SIX Listing Rules – WISeKey International Holding Ltd (NASDAQ: WKEY / SIX: WIHN) (“WISeKey” or the “Company”), a leading cybersecurity and IoT company, today released a letter to shareholders from Carlos Moreira, WISeKey’s Founder and CEO.

July 20, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: July 20, 2021 Commission File Number: 001-3911

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: July 20, 2021 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

July 20, 2021 EX-1.1

Press release of WISeKey International Holding AG, issued on July 20, 2021.

EX-1.1 2 e620811ex1-1.htm WISeKey’s Semiconductor Revenue in the United States Surges Despite Shortage in Semiconductor Manufacturing U.S. IoT segment generated revenue of approximately $4.5 million in H1 2021, a 5% increase as compared to H1 2020; WISeKey expects this market to generate revenue of approximately $9.5 million for FY2021 due to increased semiconductors demand and sales for drones, r

July 9, 2021 EX-1.1

Press release of WISeKey International Holding AG, issued on July 9, 2021.

WISeKey Announces H1 2021 Preliminary Results; Reports Revenue of $9.9 Million, a 24% Increase from H1 2020 WISeKey?s strong cash reserves of $35.9 million, as of July 9, 2021, support investment in Artificial Intelligence as well as new products, IP and faster-growing IoT/Cybersecurity markets ZUG, Switzerland - July 9, 2021: Ad-Hoc announcements pursuant to SIX reporting requirements ? WISeKey I

July 9, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: July 9, 2021 Commission File Number: 001-39115

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: July 9, 2021 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

July 2, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: July 2, 2021 Commission File Number: 001-39115

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: July 2, 2021 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

July 2, 2021 EX-1.1

Press release of WISeKey International Holding AG, issued on June 29, 2021.

EX-1.1 2 e620767ex1-1.htm WISeKey Secures Growth Capital via Convertible Notes Subscription Agreements for up to $44,000,000 with Global Institutional Investors Zug, Switzerland – June 29, 2021 – WISeKey International Holding Ltd (“WISeKey” or “Company”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity, AI and IoT company, announced today that it has signed a Convertible Notes Subscriptio

May 11, 2021 EX-1.1

Press release of WISeKey International Holding AG, issued on May 10, 2021.

WISeKey Announces Strong Q1 2021 Unaudited Revenues WISeKey expects 2021 to be a year of strong operational and financial performance Zug, Switzerland, May 10, 2021 ? WISeKey International Holding Ltd.

May 11, 2021 6-K

Current Report of Foreign Issuer -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 11, 2021 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

May 7, 2021 6-K

Current Report of Foreign Issuer -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 7, 2021 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

May 7, 2021 EX-1.1

Press release of WISeKey International Holding AG, issued on May 7, 2021.

EX-1.1 2 e620564ex1-1.htm WISeKey to receive a $10.0 million high growth capital investment from Alpha Blue Ocean to finance its TrustNFT.IO NFT platform to be launched in June 2021 Zug, Switzerland – May 7, 2021 – WISeKey International Holding Ltd (“WISeKey” or “Company”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity, AI and IoT company, announced today that it has signed a term-sheet

May 6, 2021 6-K

Current Report of Foreign Issuer -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: May 6, 2021 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

May 6, 2021 EX-1.1

Press release of WISeKey International Holding AG, issued on May 6, 2021.

WISeKey International Holding Ltd Schedules a Conference Call to Discuss the Agenda Items of its 2021 Annual General Meeting of Shareholders Zug, Switzerland, May 6, 2021 ? WISeKey International Holding Ltd.

May 3, 2021 EX-1.1

Press release of WISeKey International Holding AG, issued on April 29, 2021.

EX-1.1 2 e620546ex1-1.htm WISeKey International Holding Ltd Announces the Agenda of its 2021 Annual General Meeting of Shareholders Zug, Switzerland, April 29, 2021 – WISeKey International Holding Ltd. (“WISeKey” or “Company”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity and IoT company, announced today that the Board of Directors has recommended certain proposals for shareholder appr

May 3, 2021 6-K

Current Report of Foreign Issuer -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: April 29, 2021 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

April 29, 2021 EX-4.28

First Amendment, dated September 18, 2020, to the Warrant Agreement dated August 07, 2020, between WISeKey International Holding AG and Crede CG III, Ltd.

Exhibit 4.28 First Amendment to the Warrant Agreement dated as of September 18, 2020 by and between WISeKey International Holdings Ltd General-Guisan-Strasse 6, 6300 Zug, Switzerland (hereinafter the Company) And Crede CG III, Ltd. Clarendon House, 2 Church Street, Hamilton HM 11, Bermuda (hereinafter the Warrant Holder) (the Company and the Warrant Holder each a Party and together the Parties) re

April 29, 2021 EX-13.2

Certification of Peter Ward, Chief Financial Officer of WISeKey International Holding AG, pursuant to Section 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

CERTIFICATION The certification set forth below is being submitted in connection with the annual report of WISeKey International Holding AG (the ?Company?) on Form 20-F for the period ending December 31, 2020, as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), for the purpose of complying with Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 (the ?Exchange Act?) and Section 1350 of Chapter 63 of Title 18 of the United States Code.

April 29, 2021 EX-4.24

Agreement for the Issuance and Subscription of Convertible Notes, dated May 18, 2020, between WISeKey International Holding AG and Nice & Green SA.

Exhibit 4.24 Confidential Table of Contents Agreement for the Issuance and Subscription of Convertible Notes dated as of May 18th, 2020 by and between WISeKey International Holding Ltd (hereinafter Issuer) General-Guisan-Strasse 6, 6300 Zug a company incorporated under the laws of Switzerland and reg- istered in the commercial registry under the federal number CHE-143.782.707 and Nice & Green SA (

April 29, 2021 EX-2.5

Description of Securities registered under Section 12 of the Exchange Act.

Exhibit 2.5 DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT As of December 31, 2020 WISeKey International Holding AG (?WISeKey,? ?we,? ?us,? and ?our?) had the following series of securities registered pursuant to Section 12(b) of the Exchange Act: Title of each class Trading Symbols Name of each exchange and on which registered American Depositary Shares, each representi

April 29, 2021 EX-12.1

Certification of Carlos Moreira, Chief Executive Officer of WISeKey International Holding AG, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

CERTIFICATION I, Carlos Moreira, certify that: 1. I have reviewed this annual report on Form 20-F of WISeKey International Holding AG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect t

April 29, 2021 EX-4.23

English summary of Credit COVID-19 Loan Agreement, dated March 26, 2020, between WISeKey SA and UBS SA.

English summary of Loan Agreement between WISeKey SA, Route de Pr?-Bois, 29 CH-1215 Meyrin Switzerland (Borrower) und UBS, Rue des Noirettes 35, CH-1206 Geneva (Lender) Credit amount: CHF278,500.

April 29, 2021 EX-4.30

Third Convertible Loan Agreement, dated November 18, 2020, between WISeKey International Holding AG, arago GmbH, Aquilon Invest GmbH, and OGARA GmbH.

Exhibit 4.30 Execution Copy 18 November 2020 WISeKey International Holding AG arago GmbH Aquilon Invest GmbH OGARA GmbH THIRD CONVERTIBLE LOAN AGREEMENT 1 Third Convertible Loan Agreement by and between 1. arago GmbH, a German limited liability company (Gesellschaft mit beschr?nkter Haftung), organized and existing under the laws of Germany, registered with the commercial register of the local cou

April 29, 2021 6-K

Current Report of Foreign Issuer -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: April 29, 2021 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

April 29, 2021 EX-12.2

Certification of Peter Ward, Chief Financial Officer of WISeKey International Holding AG, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

CERTIFICATION I, Peter Ward, certify that: 1. I have reviewed this annual report on Form 20-F of WISeKey International Holding AG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to th

April 29, 2021 EX-4.29

Agreement for the Issuance and Subscription of Convertible Notes, dated December 08, 2020, between WISeKey International Holding AG and GLOBAL TECH OPPORTUNITIES 8.

Exhibit 4.29 Agreement for the Issuance and Subscription of Convertible Notes 1 Executed Version Agreement for the Issuance and Subscription of Convertible Notes dated as of December 8, 2020 by and between WISeKey International Holding Ltd. (hereinafter the ?Issuer?) General-Guisan-Strasse 6, 6300 Zug a company incorporated under the laws of Switzerland and registered in the commercial registry un

April 29, 2021 EX-4.27

First Amendment, dated September 18, 2020, to the Warrant Agreement dated September 28, 2018, between WISeKey International Holding AG and Crede CG III, Ltd.

EX-4.27 8 e620367ex4-27.htm Exhibit 4.27 First Amendment to the Warrant Agreement dated as of September 18, 2020 by and between WISeKey International Holdings Ltd General-Guisan-Strasse 6, 6300 Zug, Switzerland (hereinafter the Company) And Crede CG III, Ltd. Clarendon House, 2 Church Street, Hamilton HM 11, Bermuda (hereinafter the Warrant Holder) (the Company and the Warrant Holder each a Party

April 29, 2021 EX-4.22

English summary of Credit COVID-19 Loan Agreement, dated March 26, 2020, between WISeKey International Holding AG and UBS SA.

English summary of Loan Agreement between WISeKey International Holding AG, General-Guisan-Strasse 6, CH-6300 Zug (Borrower) und UBS, Rue des Noirettes 35, CH-1206 Geneva (Lender) Credit amount: CHF293,000.

April 29, 2021 EX-4.26

Warrant Agreement, dated August 07, 2020, between WISeKey International Holding AG and Crede CG III, Ltd.

Exhibit 4.26 5 August 2020 Warrant Agreement dated as of August 07, 2020 by and between WISeKey International Holdings Ltd General-Guisan-Strasse 6, 6300 Zug, Switzerland (hereinafter the Company) and Crede CG III, Ltd Clarendon House, 2 Church Street, Hamilton HM 11, Bermuda (hereinafter the Warrant Holder) (the Company and the Warrant Holder each a Party and together the Parties) regarding the g

April 29, 2021 EX-4.25

Convertible Loan Agreement, dated August 07, 2020, between WISeKey International Holding AG and Crede CG III, Ltd.

Exhibit 4.25 Draft of 5 August 2020 CONVERTIBLE LOAN AGREEMENT WISeKey International Holdings Ltd, a stock corporation (Aktiengesellschaft) incorporated in Switzerland and registered in the commercial register of the Canton of Zug under registration number CHE-143.782.707, with its registered office at General-Guisan-Strasse 6, 6300 Zug (the Borrower) and Crede CG III, Ltd, a limited company incor

April 29, 2021 EX-13.1

Certification of Carlos Moreira, Chief Executive Officer of WISeKey International Holding AG, pursuant to Section 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

CERTIFICATION The certification set forth below is being submitted in connection with the annual report of WISeKey International Holding AG (the “Company”) on Form 20-F for the period ending December 31, 2020, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), for the purpose of complying with Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 (the “Exchange Act”) and Section 1350 of Chapter 63 of Title 18 of the United States Code.

April 29, 2021 EX-1.1

Press release of WISeKey International Holding AG, issued on April 29, 2021.

WISeKey Reports FY 2020 Audited Consolidated Financial Results Schedules conference call for Friday, April 30 at 3:00 pm CET (9:00 am ET) ZUG, Switzerland, April 29, 2021 ? WISeKey International Holding Ltd.

April 29, 2021 20-F

-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One) ? REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 or ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES E

February 23, 2021 EX-1.1

Press release of WISeKey International Holding AG, issued on February 18, 2021.

EX-1.1 2 e620317ex1-1.htm WISeKey Announces Appointment of Patrick Williamson as Chief Operating Officer Geneva – February 18, 2021 - WISeKey International Holding ("WISeKey", or “Company”) (SIX: WIHN, NASDAQ: WKEY), a leading cybersecurity, AI and IoT company, today announced the following the February 1, 2021 acquisition of a controlling 51% share capital of arago GmbH (“arago”), it has appointe

February 23, 2021 6-K

Current Report of Foreign Issuer -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: February 23, 2021 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

February 1, 2021 EX-1.1

Press release of WISeKey International Holding AG, issued on February 1, 2021.

WISeKey Acquires 51% of arago’s Share Capital and Signs a Binding Term Sheet to Acquire the 49% Remaining Minority Interest; the Combined Company Becomes a Leader in the Cybersecurity AI-Powered Knowledge Automation Market Obtains Shareholders’ Approval on All Agenda Items of the Extraordinary General Meeting Zug, Switzerland – February 01, 2021 – WISeKey International Holding Ltd (“WISeKey” or “C

February 1, 2021 6-K

Current Report of Foreign Issuer -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: February 1, 2021 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

January 29, 2021 EX-1.1

Press release of WISeKey International Holding AG, issued on January 28, 2021.

EX-1.1 2 e620236ex1-1.htm WISeKey Shareholders Approved All Agenda Items of its 2021 Extraordinary General Meeting Zug, Switzerland – January 28, 2021 – WISeKey International Holding Ltd (“WISeKey” or “Company”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity and IoT company, announced today that its shareholders approved all items on the agenda of WISeKey’s 2021 Extraordinary General Me

January 29, 2021 6-K

Current Report of Foreign Issuer -

6-K 1 e6202366k-wisekey.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: January 29, 2021 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD

January 27, 2021 EX-99.6

Exhibit 6: Share Exchange Agreement, dated January 21, 2021, by and among Carlos Moreira, Dourgam Kummer and WISeKey International Holding AG

EX-99.6 3 e620224ex6.htm Share Exchange Agreement dated January 21, 2021 by and among Carlos Moreira (hereinafter CM) And Dourgam Kummer (hereinafter the Exiting Class A Shareholder) and WISeKey International Holding Ltd General-Guisan-Strasse 6, 6300 Zug, Switzerland (hereinafter the Company) (Carlos Moreira, the Exiting Class A Shareholder and the Company each a Party, and together the Parties)

January 27, 2021 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2)* WISeKey International Holding AG (Name of Issuer)

SC 13D/A 1 e620224sc13da-wisekey.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2)* WISeKey International Holding AG (Name of Issuer) Class A ordinary shares, par value CHF 0.01 per share Class B ordinary shares, par value CHF 0.05 per share (Title of Class of Securities) 97727L200** (CUSIP Number) C

December 8, 2020 EX-1.1

Press release of WISeKey International Holding AG, issued on December 1, 2020.

Exhibit 1.1 WISeKey International Holding Ltd Announces Extraordinary General Meeting Zug, Switzerland, December 1, 2020 – WISeKey International Holding Ltd (“WISeKey” or “Company”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity and IoT company, announced today that the Board of Directors has recommended certain proposals for shareholder approval at an Extraordinary General Meeting of S

December 8, 2020 6-K

Current Report of Foreign Issuer -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: December 8, 2020 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

December 8, 2020 EX-1.1

Press release of WISeKey International Holding AG, issued on November 19, 2020.

Exhibit 1.1 WISeKey completes the first phase of the acquisition of arago by taking controlling interest Zug/Geneva, Switzerland – November 19, 2020 – WISeKey International Holding Ltd (“WISeKey”) (SIX: WIHN), a leading cybersecurity company and arago GmbH ("arago"), a leading German technology company that provides Artificial Intelligence (“AI”) to enterprises globally through Knowledge Automatio

December 8, 2020 6-K

Current Report of Foreign Issuer -

6-K 1 e6201286k-wisekey.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: December 8, 2020 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD

December 8, 2020 6-K

Current Report of Foreign Issuer -

6-K 1 e6201266k-wisekey.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: December 8, 2020 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD

December 8, 2020 EX-1.1

Press release of WISeKey International Holding AG, issued on December 8, 2020.

Exhibit 1.1 WISeKey signs a $15.5 million high growth capital investment agreement with Alpha Blue Ocean to finance the acquisition of arago and integration of Artificial Intelligence on its Cybersecurity platform Zug, Switzerland - December 8, 2020 – WISeKey International Holding Ltd (“WISeKey” or “Company”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity, AI and IoT company, announced

November 4, 2020 6-K

Current Report of Foreign Issuer -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: November 2, 2020 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

November 4, 2020 EX-1.1

Press release of WISeKey International Holding AG, issued on November 2, 2020.

EX-1.1 2 e620053ex1-1.htm Exhibit 1.1 WISeKey signed a term sheet to acquire ARAGO Transaction would combine WISeKey's Cybersecurity and IoT businesses with arago GmbH's artificial intelligence business and create an AIoT end-to-end platform leader Zug/Geneva, Switzerland – November 2, 2020 – WISeKey International Holding Ltd (WIHN.SW, NASDAQ:WKEY) (“WISeKey”), a leading cybersecurity company, ann

September 8, 2020 EX-1.1

Press release of WISeKey International Holding AG, issued on September 08, 2020.

Exhibit 1.1 Press Release WISeKey Reports H1 2020 Results and Launches Digital Transformation Strategy WISeKey’s revenue of $8 million and strong cash reserves of $16 million supports investment in Artificial Intelligence as well as new products, IP and faster-growing IoT/Cybersecurity markets To host a conference call on Tuesday, September 8, at 3:00 p.m. CET / 9:00 a.m. ET ZUG, Switzerland- Sept

September 8, 2020 EX-1.2

Interim Report and Unaudited Financial Statements of WISeKey International Holding AG, issued on September 08, 2020.

Exhibit 1.2 Contents Introduction CEO Letter to Shareholders 4 WISeKey Digital Transformation Plan 2020 – 2025 6 First Half 2020 Operational Milestones 10 First Half 2020 Financial Milestones 10 WISeKey – products and services 12 Recent Agreements 13 2020 Growth Opportunities Solutions for a shifting cybersecurity market landscape 14 Foresight Platform 17 Recognitions 18 Management Discussion and

September 8, 2020 6-K

Current Report of Foreign Issuer -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: September 08, 2020 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

August 12, 2020 EX-1.1

Press release of WISeKey International Holding AG, issued on August 10, 2020.

EX-1.1 2 e619859ex1-1.htm Exhibit 1.1 Press Release Wisekey Completes $5 Million Private Placement With Crede Capital Group Proceeds to be Used to Accelerate Development of Digital Technology Platform Zug, Switzerland, August 10, 2020 – WISeKey International Holding Ltd (“WISeKey” or “Company”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity and IoT company, announced today that it has e

August 12, 2020 6-K

Current Report of Foreign Issuer -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: August 12, 2020 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant?s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

August 12, 2020 EX-1.1

Press release of WISeKey International Holding AG, issued on August 11, 2020.

Exhibit 1.1 Press Release WISeKey Invests USD 5.5 Million in German Artificial Intelligence Leader ARAGO for 5% Stake; Integrates AI Technology into its IoT Platform AI integration will be at the core of WISeKey’s transition to technologies such as Smarts Cars, Drones, Robots and Human AI WISeKey and ARAGO will create a JV with the name WISeData.CH and will license their respective technologies to

August 12, 2020 6-K

Current Report of Foreign Issuer -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: August 12, 2020 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

June 17, 2020 6-K

Current Report of Foreign Issuer -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 Date of report: June 17, 2020 Commission File Number: 001-39115 WISEKEY INTERNATIONAL HOLDING AG (Exact Name of Registrant as Specified in Charter) WISEKEY INTERNATIONAL HOLDING LTD (Translation of Registrant’s name into English) Canton of Zug, Switzerland General-Guisan-Strasse 6 CH-6300 Zug, Switzerland Not Applicable (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.

Other Listings
DE:1W82
GB:WIHNZ
GB:0RF1
CH:WIHN CHF 8.55
Fintel data has been cited in the following publications:
Daily Mail Fox Business Business Insider Wall Street Journal The Washington Post Bloomberg Financial Times Globe and Mail
NASDAQ.com Reuters The Guardian Associated Press FactCheck.org Snopes Politifact
Federal Register The Intercept Forbes Fortune Magazine TheStreet Time Magazine Canadian Broadcasting Corporation International Business Times
Cambridge University Press Investopedia MarketWatch NY Daily News Entrepreneur Newsweek Barron's El Economista