SQL / SeqLL Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

SeqLL Inc.
US ˙ NASDAQ
HINDI NA ACTIVE ANG SIMBONG ITO

Mga Batayang Estadistika
CIK 1605888
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 SeqLL Inc.
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
September 5, 2025 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 2) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement. ☐ Confi

August 22, 2025 424B3

ATLANTIC INTERNATIONAL CORP. 13,711,743 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) under the Securities Act of 1933 Registration No.

August 14, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 o TRANSITION REPORT PURSUANT TO S

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition period from to Commission file number 001-40760 ATLA

August 11, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 2, 2025 ATLANTIC INTERNATIONA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 2, 2025 ATLANTIC INTERNATIONAL CORP. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organization

August 11, 2025 EX-10.1

Severance agreement dated August 8, 2025, by and between Atlantic International Corp. and Christopher Broderick

Exhibit 10.1 SEPARATION AGREEMENT This SEPARATION AGREEMENT, dated as of August 8, 2025 (this “Agreement”), is between Atlantic International Corp., a Delaware Corporation with a principal place of business at 270 Sylvan Avenue Suite 2230 Englewood Cliffs, NJ 07632 (the “Company”), and Christopher Broderick, having an address at 14 Beacon Lane Rye Brook, NY 10573 (“Broderick”). WHEREAS, Broderick

July 14, 2025 RW

ATLANTIC INTERNATIONAL CORP. 270 Sylvan Avenue, Suite 2230 Englewood Cliffs, New Jersey 07632 July 14, 2025

ATLANTIC INTERNATIONAL CORP. 270 Sylvan Avenue, Suite 2230 Englewood Cliffs, New Jersey 07632 July 14, 2025 U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street NE Washington, D.C. 20549-3628 Re: Atlantic International Corp. Registration Statement on Form S-4 File No. 333-284049 Dear Ladies and Gentlemen: Pursuant to Rule 477 under the Securities Act of 1933, as ame

July 8, 2025 424B3

ATLANTIC INTERNATIONAL CORP. 9,925,914 Shares of Common Stock

PROSPECTUS FILED PURSUANT TO 424(b)(3) Registration Statement No. 333-288226 ATLANTIC INTERNATIONAL CORP. 9,925,914 Shares of Common Stock This prospectus relates to the sale (the “Offering”) by the selling shareholders, and in the related amounts, (the “Selling Shareholders”) of up to 9,925,914 shares of common stock, $0.00001 par value (the “Shares”), of Atlantic International Corp. (the “Compan

June 30, 2025 CORRESP

ATLANTIC INTERNATIONAL CORP. 270 Sylvan Road, Suite 2230 Englewood Cliffs, NJ 07632 June 30, 2025

ATLANTIC INTERNATIONAL CORP. 270 Sylvan Road, Suite 2230 Englewood Cliffs, NJ 07632 June 30, 2025 Division of Corporation Finance Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Attention: Mr. Brian Fetterholf Re: Form S-1 Registration Statement File No. 333-288226 Dear Mr. Fetterholf: Pursuant to Rule 461 promulgated under the Securities Act of 1933, as amended, Atlanti

June 23, 2025 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables S-3 (Form Type) Atlantic International Corp.

June 23, 2025 S-3

AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JUNE 23, 2025

AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JUNE 23, 2025 Registration Statement No.

May 30, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: x Preliminary Proxy Statement o Confid

May 14, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 o TRANSITION REPORT PURSUANT TO

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition period from to Commission file number 001-40760 ATL

May 13, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: x Preliminary Proxy Statement o Confide

May 5, 2025 EX-10.3

Amended and Restated Convertible Promissory

atlantic-idcxamendedandr 4913-0019-4103\3 NEITHER THE ISSUANCE NOR SALE OF THE SECURITIES REPRESENTED BY THIS NOTE NOR THE SECURITIES INTO WHICH THESE SECURITIES ARE CONVERTIBLE HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR APPLICABLE STATE SECURITIES LAWS.

May 5, 2025 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 29, 2025 ATLANTIC INTERNATIONAL CORP. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organizati

May 5, 2025 EX-10.1

Mill Capital, LLC (d/b/a SLR Business Credit) and Lyneer Staffing

May 5, 2025 EX-10.2

025 from Lyneer Staffing Solutions, LLC to North Mill Capital, LLC

[Execution] Revolving Credit Master Promissory Note (Lyneer Staffing) 8376707.2 REVOLVING CREDIT MASTER PROMISSORY NOTE $70,000,000 Princeton, New Jersey April 29, 2025 FOR VALUE RECEIVED, the undersigned LYNEER STAFFING SOLUTIONS, LLC, a Delaware limited liability company (“Borrower”), promises to pay to the order of NORTH MILL CAPITAL LLC, a Delaware limited liability company, d/b/a SLR Business

March 28, 2025 EX-97.1

lawback Policy

EXHIBIT 97.1 ATLANTIC INTERNATIONAL CORP (“the Company”) CLAWBACK POLICY Introduction The Board of Directors of the Company (the “Board”) believes that it is in the best interests of the Company and its shareholders to create and maintain a culture that emphasizes integrity and accountability and that reinforces the Company’s pay-for-performance compensation philosophy. The Board has therefore ado

March 28, 2025 EX-4.1

urities of Atlantic International Corp

Exhibit 4.1 DESCRIPTION OF ATLN CORPORATION’S EQUITY SECURITIES Atlantic International Corp. (the “Company”) has a single class of equity securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): Common Stock, par value $0.00001 per share (“Common Stock”). The following description of our capital stock and provisions of our amended and restated

March 28, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 o TRANSITION REPORT PURSUANT TO SECTI

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K x 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 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition period from to Commission file number 001-40760 ATLANTIC

March 28, 2025 EX-21

Subsidiaries of Atlantic International Corp

Exhibit 22 Atlantic International Corp (A Delaware Corporation) Listing of Subsidiaries as of December 31, 2024 Name of Subsidiary Jurisdiction of Incorporation or Organization Lyneer Staffing Solutions, LLC Delaware Lyneer Investments, LLC Delaware Lyneer Holdings, Inc. Delaware

March 28, 2025 EX-19.1

nsider Tradi

EXHIBIT 19.1 Unlawful Insider Trading: Disclosure and Trading Guidelines General Information The federal securities laws prohibit individuals with access to material information which has not been publicly disseminated, absorbed and evaluated (commonly referred to as “inside information”) from: (1) engaging in transactions in the Company’s securities without disclosing such information; or (2) div

February 28, 2025 8-K

Termination of a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 26, 2025 ATLANTIC INTERNATIONAL CORP. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organiz

January 24, 2025 EX-99.1

Form of Proxy Card for the Special Meeting of Staffing 360.

Exhibit 99.1 Signature [PLEASE SIGN WITHIN BOX] Date Signature (Joint Owners) Date TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS: KEEP THIS PORTION FOR YOUR RECORDS DETACH AND RETURN THIS PORTION ONLY THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED. V61550 - Z89259 For Against Abstain O O O The Board of Directors recommends you vote FOR Proposals 1 and 2. STAFFING 360 SOLUTIONS, I

January 24, 2025 424B3

Filed Pursuant to Rule 424(b)(3) Registration Statement No. 333-284049 PROXY STATEMENT FOR THE SPECIAL MEETING OF STAFFING 360 SOLUTIONS, INC. AND PROSPECTUS FOR 2,108,188 SHARES OF COMMON STOCK OF ATLANTIC INTERNATIONAL CORP.

Filed Pursuant to Rule 424(b)(3) Registration Statement No. 333-284049 PROXY STATEMENT FOR THE SPECIAL MEETING OF STAFFING 360 SOLUTIONS, INC. AND PROSPECTUS FOR 2,108,188 SHARES OF COMMON STOCK OF ATLANTIC INTERNATIONAL CORP. ATLANTIC INTERNATIONAL CORP. STAFFING 360 SOLUTIONS, INC. MERGER PROPOSAL — YOUR VOTE IS VERY IMPORTANT Dear Stockholders: On November 1, 2024, Atlantic International Corp.,

January 24, 2025 S-4/A

As filed with the Securities and Exchange Commission on January 24, 2025

As filed with the Securities and Exchange Commission on January 24, 2025 Registration Statement No.

January 24, 2025 CORRESP

January 24, 2025

January 24, 2025 Division of Corporation Finance Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Attention: Ms.

January 24, 2025 CORRESP

ATLANTIC INTERNATIONAL CORP. 270 Sylvan Ave., Suite 2230 Englewood Cliffs, New Jersey 07632 January 24, 2025

ATLANTIC INTERNATIONAL CORP. 270 Sylvan Ave., Suite 2230 Englewood Cliffs, New Jersey 07632 January 24, 2025 Division of Corporation Finance Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Attention: Ms. Rucha Pandit Re: Atlantic International Corp. Form S-4 Registration Statement File No. 333-284049 Dear Ms. Pandit: Pursuant to Rule 461 promulgated under the Securities Ac

January 23, 2025 CORRESP

ATLANTIC INTERNATIONAL CORP. 270 Sylvan Ave., Suite 2230 Englewood Cliffs, New Jersey 07632 January 23, 2025

ATLANTIC INTERNATIONAL CORP. 270 Sylvan Ave., Suite 2230 Englewood Cliffs, New Jersey 07632 January 23, 2025 Division of Corporation Finance Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Attention: Ms. Rucha Pandit Re: Atlantic International Corp. Form S-4 Registration Statement File No. 333-284049 Dear Ms. Pandit: Pursuant to Rule 461 promulgated under the Securities Ac

January 23, 2025 S-4/A

As filed with the Securities and Exchange Commission on January 23, 2025

As filed with the Securities and Exchange Commission on January 23, 2025 Registration Statement No.

January 23, 2025 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables S-4 (Form Type) Atlantic International Corp.

January 13, 2025 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 7, 2025 ATLANTIC INTERNATIONAL CORP. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organizat

January 13, 2025 EX-2.1

First Amendment to Agreement and Plan of Merger dated as of January 7, 2025 by and among Atlantic International Corp, A 36 Merger Sub, Inc. and Staffing 360 Solutions, Inc.

Exhibit 2.1 FIRST AMENDMENT TO AGREEMENT AND PLAN OF MERGER This First Amendment (this “First Amendment”) to the Merger Agreement (as defined below) is made and entered into as of January 7, 2025, by and Atlantic International Corp a Delaware corporation (“Atlantic”), A36 Merger Sub Inc., a Delaware corporation (“Merger Sub”), and Staffing 360 Solutions, Inc. a Delaware corporation (the “Company”)

December 26, 2024 S-4

As filed with the Securities and Exchange Commission on December 26, 2024

As filed with the Securities and Exchange Commission on December 26, 2024 Registration Statement No.

December 26, 2024 EX-FILING FEES

Filing Fee Table

EX-FILING FEES 5 ea022565801ex-feeatlantic.htm FILING FEE TABLE Exhibit 107 Calculation of Filing Fee Tables S-4 (Form Type) Atlantic International Corp. (Exact Name of Registrant as Specified in its Charter) N/A (Translation of Registrant’s Name into English) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Regi

December 6, 2024 8-A12B

FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Atlantic International Corp. (Exact name of registrant as specified in its charter)

OMB APPROVAL UNITED STATES OMB Number: 3235-0056 SECURITIES AND EXCHANGE COMMISSION Expires: July 31, 2025 Washington, D.

November 14, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 o TRANSITION REPORT PURSUANT

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition period from to Commission file number 001-40760

November 7, 2024 EX-99.1

Atlantic International Corp. and Staffing 360 Solutions, Inc. Enter Into Definitive Merger Agreement to Establish Leading Human Capital Management, Outsourced Services and Workforce Solutions Company

Exhibit 99.1 Atlantic International Corp. and Staffing 360 Solutions, Inc. Enter Into Definitive Merger Agreement to Establish Leading Human Capital Management, Outsourced Services and Workforce Solutions Company ● Combined annual revenue expected to be approximately $620 million ● Highly synergistic transaction expected to result in run-rate cost synergies/savings of approximately $10 million ● A

November 7, 2024 EX-2.1

Agreement and Plan of Merger among Staffing 360 Solutions, Inc, A36 Merger Sub Inc. and Atlantic International Corp, dated November 1, 2024.

Exhibit 2.1 Execution Version AGREEMENT AND PLAN OF MERGER by and among ATLANTIC INTERNATIONAL CORP., as Atlantic, A36 MERGER SUB INC., as the Merger Sub, and STAFFING 360 SOLUTIONS, INC., as the Company, As of: Dated November 1, 2024 TABLE OF CONTENTS Title Page Article I Definitions - 1 - Article II The Merger - 2 - Article III Closing - 5 - Article IV Covenants - 12 - Article V Representations

November 7, 2024 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 1, 2024 ATLANTIC INTERNATIONAL CORP. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organiza

September 16, 2024 EX-4.1

Letter dated September 16, 2024 to the shareholders of record as of September 26, 2023 (previously filed as Exhibit 4.1 to Atlantic International’s Current Report on Form 8-K filed with the SEC on September 16, 2024).

Exhibit 4.1 Atlantic International Corp 270 Sylvan Avenue, Suite 2230 Englewood Cliffs, NJ 07632 September 16, 2024 Dear Atlantic International Corp. Record Stockholder: On September 15, 2023, SeqLL, Inc., now known as Atlantic International Corp (“Atlantic”) announced that its Board of Directors had declared a special stock dividend and cash dividend to its holders of record as of September 26, 2

September 16, 2024 8-K

Entry into a Material Definitive Agreement, Material Modification to Rights of Security Holders, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 12, 2024 ATLANTIC INTERNATIONAL CORP. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organi

September 16, 2024 EX-10.1

Amendment No. 1 to Convertible Promissory Note dated as of September 12, 2024 made by the issuer to IDC Technologies Inc. (previously filed as Exhibit 10.1 to Atlantic International’s Current Report on Form 8-K filed with the SEC on September 16, 2024).

Exhibit 10.1 AMENDMENT NO. 1 TO CONVERTIBLE PROMISSORY NOTE THIS AMENDMENT No. 1 (“Amendment”) dated and effective as of September 12, 2024 (the “Effective Date”) to the Convertible Promissory Note dated June 18, 2024 (the “Note”), from Atlantic International Corp, a Delaware corporation (“Atlantic”) to IDC Technologies, Inc., a California corporation (“IDC”). Each of Atlantic, and IDC are hereina

August 14, 2024 EX-10.1

Ninth Amendment to ABL Credit Agreement and Forbearance Agreement (previously filed as Exhibit 10.1 to Atlantic International’s Quarterly Report on Form 10-Q filed with the SEC on August 14, 2024).

Exhibit 10.1 Execution Version NINTH AMENDMENT TO ABL CREDIT AGREEMENT AND FORBEARANCE AGREEMENT THIS NINTH AMENDMENT TO ABL CREDIT AGREEMENT AND FORBEARANCE AGREEMENT (this “Ninth Amendment”), dated as of August 12, 2024, among IDC TECHNOLOGIES, INC., a California corporation (“IDC”), LYNEER INVESTMENTS, LLC, a Delaware limited liability company (“Lyneer Investments”), LYNEER HOLDINGS, INC., a De

August 14, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition period from to Commission file number 001-40760 ATLANTIC INTERNATIONAL

August 14, 2024 EX-10.2

Tenth Amendment to Loan Agreement and Forbearance Agreement (previously filed as Exhibit 10.2 to Atlantic International’s Quarterly Report on Form 10-Q filed with the SEC on August 14, 2024).

Exhibit 10.2 Executed version TENTH AMENDMENT TO LOAN AGREEMENT AND FORBEARANCE AGREEMENT THIS TENTH AMENDMENT TO LOAN AGREEMENT AND FORBEARANCE AGREEMENT (this “Tenth Amendment”), dated as of August 12, 2024, among IDC TECHNOLOGIES, INC., a California corporation (“IDC”), LYNEER INVESTMENTS, LLC, a Delaware limited liability company (“Lyneer Investments”), LYNEER HOLDINGS, INC., a Delaware corpor

July 29, 2024 SC 13D/A

US81734C1062 / Seqll Inc / Gattani Prateek - AMENDMENT NO. 1 TO SCHEDULE 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 TO SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1) Atlantic International Corp. (Name of Issuer) Common Stock, Par Value $0.00001 per share (Title of Class of Securities) 048592109 (CUSIP Number) Elliot H. Lutzker, Davidoff Hutcher & Citron LLP, 605 Third Avenue, New York, NY 10158 (Nam

July 24, 2024 EX-99.2

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

Exhibit 99.2 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION The following unaudited pro forma condensed combined balance sheet as of March 31, 2024 and the unaudited pro forma condensed combined statement of operations for the year ended December 31, 2023 and the three month period ended March 31, 2024 give effect to the Merger of SeqLL Merger Sub, Atlantic Merger Sub and Lyneer Inve

July 24, 2024 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 18, 2024 AT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 TO FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 18, 2024 ATLANTIC INTERNATIONAL CORP. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorpo

July 22, 2024 EX-FILING FEES

Calculation of Filing Fee Table.

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) Atlantic International Corp.

July 22, 2024 S-8

As filed with the Securities and Exchange Commission on July 22, 2024

As filed with the Securities and Exchange Commission on July 22, 2024 Registration No.

July 22, 2024 424B3

ATLANTIC INTERNATIONAL CORP. 13,711,743 Shares of Common Stock

Registration No. 333-280653 Filed Pursuant to Rule 424(b)(3) under the Securities Act of 1933 PROSPECTUS ATLANTIC INTERNATIONAL CORP. 13,711,743 Shares of Common Stock This prospectus relates to the sale (the “Offering”) by the selling shareholders, and in the related amounts, (the “Selling Shareholders”) of up to 13,711,743 shares of common stock, $0.00001 par value (the “Shares”), of Atlantic In

July 19, 2024 CORRESP

DAVIDOFF HUTCHER & CITRON LLP ATTORNEYS AT LAW 605 THIRD AVENUE NEW YORK, NEW YORK 10158

DAVIDOFF HUTCHER & CITRON LLP ATTORNEYS AT LAW 605 THIRD AVENUE NEW YORK, NEW YORK 10158 WRITER'S DIRECT: (646) 428-3210 E-MAIL ADDRESS: ehl@dhclegal.

July 19, 2024 S-1/A

AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JULY 19, 2024

AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JULY 19, 2024 Registration Statement No.

July 18, 2024 CORRESP

ATLANTIC INTERNATIONAL CORP. 270 Sylvan Road, Suite 2230 Englewood Cliffs, NJ 07632 July 18, 2024

ATLANTIC INTERNATIONAL CORP. 270 Sylvan Road, Suite 2230 Englewood Cliffs, NJ 07632 July 18, 2024 Division of Corporation Finance Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Attention: Ms. Jenna Hough Re: Form S-1 Registration Statement File No. 333-280653 Dear Ms. Hough: Pursuant to Rule 461 promulgated under the Securities Act of 1933, as amended, Atlantic Internat

July 17, 2024 CORRESP

DAVIDOFF HUTCHER & CITRON LLP ATTORNEYS AT LAW 605 THIRD AVENUE NEW YORK, NEW YORK 10158

DAVIDOFF HUTCHER & CITRON LLP ATTORNEYS AT LAW 605 THIRD AVENUE NEW YORK, NEW YORK 10158 WRITER'S DIRECT: (646) 428-3210 E-MAIL ADDRESS: ehl@dhclegal.

July 2, 2024 EX-21.1

Subsidiaries of Registrant

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT Lyneer Investments LLC

July 2, 2024 S-1

AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JULY 2, 2024

AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JULY 2, 2024 Registration Statement No.

July 2, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-1 (Form Type) Atlantic International Corp.

June 28, 2024 SC 13D

US81734C1062 / Seqll Inc / Gattani Prateek - SCHEDULE 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. ) Atlantic International Corp. (Name of Issuer) Common Stock, Par Value $0.00001 per share (Title of Class of Securities) 048592109 (CUSIP Number) Elliot H. Lutzker, Davidoff Hutcher & Citron LLP, 605 Third Avenue, New York, NY 10158 (Name, Address and Telep

June 28, 2024 RW

Atlantic International Corp. (f/k/a SeqLL Inc.) 270 Sylvan Avenue, Suite 2230 Englewood Cliffs, New Jersey 07632

Atlantic International Corp. (f/k/a SeqLL Inc.) 270 Sylvan Avenue, Suite 2230 Englewood Cliffs, New Jersey 07632 June 28, 2024 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attn: Staff Attorney Re: SeqLL Inc. Registration Statement on Form S-1 File No. 333-272908 Registration Withdrawal Request Ladies and Gentlemen: On J

June 27, 2024 SC 13D

US81734C1062 / Seqll Inc / JAGID JEFFREY M - SCHEDULE 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. ) Atlantic International Corp. (Name of Issuer) Common Stock, Par Value $0.00001 per share (Title of Class of Securities) 048592109 (CUSIP Number) Elliot H. Lutzker, Davidoff Hutcher & Citron LLP, 605 Third Avenue, New York, NY 10158 (Name, Address and Telep

June 25, 2024 EX-10.5

Executive Employment Agreement between Atlantic International Corp. and Jeffrey Jagid

Exhibit 10.5 EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (the “Agreement”) is made as of June 18, 2024 by and between Atlantic International Corp., a Delaware corporation (the “Company”) (f/k/a SeqLL Inc.), which currently has an address at 270 Sylvan Ave, Englewood Cliffs, New Jersey 07632, and Jeffrey Jagid (“Executive”), an individual having an address at 304 Hardenburgh

June 25, 2024 EX-2.3

Certificate of Merger of Atlantic Merger LLC with and into Lyneer Investments LLC (3)

EXHIBIT 2.3 STATE OF DELAWARE CERTIFICATE OF MERGER OF DOMESTIC LIMITED LIABILITY COMPANIES Pursuant to Title 6, Section 18-209 of the Delaware Limited Liability Act, the undersigned limited liability company executed the following Certificate of Merger: FIRST: The name of the surviving limited liability company is LYNEER INVESTMENTS, LLC, and the name of the limited liability company being merged

June 25, 2024 EX-2.4

Certificate of Merger of SeqLL Merger LLC with and into Lyneer Investments LLC (3)

EXHIBIT 2.4 STATE OF DELAWARE CERTIFICATE OF MERGER OF DOMESTIC LIMITED LIABILITY COMPANIES Pursuant to Title 6, Section 18-209 of the Delaware Limited Liability Act, the undersigned limited liability company executed the following Certificate of Merger: FIRST: The name of the surviving limited liability company is LYNEER INVESTMENTS, LLC, and the name of the limited liability company being merged

June 25, 2024 EX-10.6

Executive Employment Agreement between Atlantic International Corp. and Todd McNulty

Exhibit 10.6 EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (“Agreement”) is made and entered into effective as of June 18 , 2024, by and among Lyneer Staffing Solutions, LLC, a Delaware limited liability company (the “Company”), Lyneer Investments, LLC, a Delaware limited liability company (“Lyneer”), and Todd McNulty (hereinafter, the “Executive”). W I T N E S S E T H: WHEREA

June 25, 2024 EX-10.7

Executive Employment Agreement between Atlantic International Corp. and James Radvany

Exhibit 10.7 EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (“Agreement”) is made and entered into effective as of June 18, 2024, by and among Lyneer Staffing Solutions, LLC, a Delaware limited liability company (the “Company”), Lyneer Investments, LLC, a Delaware limited liability company (“Lyneer”), and James S. Radvany (hereinafter, the “Executive”). W I T N E S S E T H: WHE

June 25, 2024 EX-16.1

Letter re Change in Certifying Accountant

Exhibit 16.1 June 25, 2024 Securities and Exchange Commission Washington, DC 20549 Commissioners: We have read SeqLL Inc.’s statements included under Item 4.01(a) of its Form 8-K filed on June 25, 2024 and we agree with such statements concerning our firm. /s/ Wolf & Company, P.C. Boston, Massachusetts

June 25, 2024 EX-99.1

Atlantic International Corp. Acquires Lyneer Staffing Solutions Creates National Strategic Staffing, Outsourced Services and Workforce Solutions Company with Over $400 Million in Revenues for the 12 Months Ended December 31, 2023 and Adjusted EBITDA

Exhibit 99.1 Atlantic International Corp. Acquires Lyneer Staffing Solutions Creates National Strategic Staffing, Outsourced Services and Workforce Solutions Company with Over $400 Million in Revenues for the 12 Months Ended December 31, 2023 and Adjusted EBITDA of $5.4 Million Englewood Cliffs, New Jersey -([Business Wire]) June 21st, 2024 —Atlantic International Corp. (OTC: ATLN) (the “Company”

June 25, 2024 EX-10.3

Executive Employment Agreement between Atlantic International Corp. and Christopher Broderick

Exhibit 10.3 EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (the “Agreement”) is made as June 18, 2024 by and between Atlantic International Corp., a Delaware corporation (the “Company”) (f/k/a SeqLL Inc.), which currently has an address at 270 Sylvan Ave, Englewood Cliffs, New Jersey 07632, and Christopher Broderick (“Executive”), an individual having an address at 270 Sylvan

June 25, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 18, 2024 ATLANTIC INTERNATION

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 18, 2024 ATLANTIC INTERNATIONAL CORP. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organizatio

June 25, 2024 EX-10.2

Consulting Agreement between Atlantic International Corp. and Robert Machinist

Exhibit 10.2 CONSULTING AGREEMENT This Consulting Agreement (the “Agreement”) is entered into as of June 18, 2024, between Atlantic International Corp., a Delaware corporation (the “Company”) (f/k/a SeqLL Inc.), which has an address at 270 Sylvan Ave, Englewood Cliffs, New Jersey 07632, and Robert Machinist (the “Consultant”), who currently has an address at 270 Sylvan Ave, Englewood Cliffs, New J

June 25, 2024 EX-10.8

Board of Directors Agreement (Chairman) between Atlantic International Corp. and Prateek Gattani dated as of April 15, 2024

Exhibit 10.8 BOARD OF DIRECTORS AGREEMENT (Chairman) THIS AGREEMENT is made and entered into effective as of April 15,2024, by and between Atlantic International Corp., a Delaware corporation (the “Company, and Prateek Gattani, an individual (“Director”) with his principal address at IDC Technologies, Inc., 920 Hillsview Court, Suite 250, Milpitas, California 95035. 1. Term This Agreement shall co

June 25, 2024 EX-10.4

Executive Employment Agreement between Atlantic International Corp. and Michael Tenore

Exhibit 10.4 EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (the “Agreement”) is made as of June 18, 2024 by and between Atlantic International Corp., a Delaware corporation (the “Company”) (f/k/a SeqLL Inc.), which currently has an address at 270 Sylvan Ave, Englewood Cliffs, New Jersey 07632, and Michael Tenore (“Executive”), an individual having an address at 270 Sylvan Ave,

June 25, 2024 EX-10.10

Convertible Promissory Note dated June 20, 2024 issued by the Issuer to IDC Technologies Inc.

Exhibit 10.10 NEITHER THE ISSUANCE NOR SALE OF THE SECURITIES REPRESENTED BY THIS NOTE NOR THE SECURITIES INTO WHICH THESE SECURITIES ARE CONVERTIBLE HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR APPLICABLE STATE SECURITIES LAWS. THE SECURITIES MAY NOT BE OFFERED FOR SALE, SOLD, TRANSFERRED OR ASSIGNED (I) IN THE ABSENCE OF (A) AN EFFECTIVE REGISTRATION STATEMENT FOR THE SE

June 18, 2024 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 12, 2024 ATLANTIC INTERNATIONAL CORP. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organizati

June 18, 2024 EX-3.1

Certificate of Amendment of the Third Amended and Restated Certificate of Incorporation

-2-

June 18, 2024 EX-2.1

Amendment No. 1 to Amended and Restated Agreement and Plan of Reorganization dated as of June 12, 2024 (2)

EXHIBIT 2.1 AMENDMENT NO. 1 TO THE AMENDED AND RESTATED AGREEMENT AND PLAN OF REORGANIZATION THIS AMENDMENT (“Amendment”) dated and effective as of June 12, 2024 (the “Effective Date”) to the Amended and Restated Agreement and Plan of Reorganization dated as of June 4, 2024 (the “M/A”), by and among (i) Atlantic Acquisition Corp, a Delaware corporation (“Atlantic”), (ii) Atlantic Merger LLC, a Del

June 6, 2024 EX-2.1

Amended and Restated Agreement and Plan of Reorganization

Exhibit 2.1 EXECUTION COPY AMENDED AND RESTATED AGREEMENT AND PLAN OF REORGANIZATION by and among SEQLL INC., as the Purchaser, SEQLL MERGER LLC, as the Purchaser Sub, ATLANTIC ACQUISITION CORP., as Atlantic, ATLANTIC MERGER LLC, as Atlantic Merger Sub, LYNEER INVESTMENTS, LLC, as the Company, and IDC TECHNOLOGIES, INC., as the Seller As of: Dated June 4, 2024 TABLE OF CONTENTS Title Page RECITALS

June 6, 2024 8-K

Entry into a Material Definitive Agreement, Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 4, 2024 SEQLL INC. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organization) (Commission File

May 17, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 333-254886 SEQLL INC. (Exact name

May 15, 2024 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended: March 31, 2024 ☐ 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 F

May 1, 2024 EX-4.6

Form of Warrant Agency Agreement between SeqLL Inc. and VStock Transfer LLC

Exhibit 4.6 WARRANT AGENCY AGREEMENT WARRANT AGENCY AGREEMENT (this “Agreement”), dated as of May [●], 2024 (the “Issuance Date”) between Atlantic International Corp. in connection with the Offering (as defined below)), a Delaware corporation (the “Company”), and Vstock Transfer, LLC, a limited liability company organized under the laws of California (the “Warrant Agent”). WITNESSETH WHEREAS, purs

May 1, 2024 EX-4.9

Form of Pre-Funded Warrant

Exhibit 4.9 PRE-FUNDED COMMON STOCK PURCHASE WARRANT ATLANTIC INTERNATIONAL CORP. Warrant Shares: [] Initial Exercise Date: [], 2024 THIS PRE-FUNDED COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, [] or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after

May 1, 2024 EX-1.1

Form of Underwriting Agreement

Exhibit 1.1 [] SHARES OF COMMON STOCK, [] PRE-FUNDED WARRANTS (EXERCISABLE FOR [] SHARES OF COMMON STOCK), [] SERIES A WARRANTS (EXERCISABLE FOR [] SHARES OF COMMON STOCK) AND [] SERIES B WARRANTS (EXERCISABLE FOR [] SHARES OF COMMON STOCK) OF SEQLL INC. (to be renamed Atlantic International Corp.) UNDERWRITING AGREEMENT [], 2024 EF Hutton LLC As the Representative of the Several underwriters, if

May 1, 2024 EX-4.8

Form of Series B Warrant

Exhibit 4.8 SERIES B COMMON STOCK PURCHASE WARRANT ATLANTIC INTERNATIONAL CORP. Warrant Shares: [] Issue Date: [], 2024 THIS COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after [], 2024 (the “Initial Exe

May 1, 2024 EX-4.7

Form of Series A Warrant

Exhibit 4.7 SERIES A COMMON STOCK PURCHASE WARRANT ATLANTIC INTERNATIONAL CORP. Warrant Shares: [] Issue Date: [], 2024 THIS COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after [], 2024 (the “Initial Exe

May 1, 2024 POS AM

As filed with the Securities and Exchange Commission on May 1, 2024.

As filed with the Securities and Exchange Commission on May 1, 2024. Registration No. 333-272908 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549F POST-EFFECTIVE AMENDMENT NO. 2 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SEQLL INC. (Exact name of registrant as specified in its charter) Delaware 3826 46-5319744 (State or other jurisdiction of incorpor

April 18, 2024 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 15, 2024 SEQLL INC. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organization) (Commission Fi

April 17, 2024 EX-4.6

Form of Warrant Agency Agreement between SeqLL Inc. and VStock Transfer LLC

Exhibit 4.6 WARRANT AGENCY AGREEMENT WARRANT AGENCY AGREEMENT (this “Agreement”), dated as of April [●], 2024 (the “Issuance Date”) between Atlantic International Corp. in connection with the Offering (as defined below)), a Delaware corporation (the “Company”), and Vstock Transfer, LLC, a limited liability company organized under the laws of California (the “Warrant Agent”). WITNESSETH WHEREAS, pu

April 17, 2024 EX-4.8

Form of Series B Warrant

Exhibit 4.8 SERIES B COMMON STOCK PURCHASE WARRANT ATLANTIC INTERNATIONAL CORP. Warrant Shares: [] Issue Date: [], 2024 THIS COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after [], 2024 (the “Initial Exe

April 17, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables S-1 (Form Type) SeqLL Inc. (Exact Name of Registrant as Specified in its Charter) Not Applicable (Translation of Registrant’s Name into English) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offer

April 17, 2024 EX-2.7

Amendment No. 6 to Agreement and Plan of Reorganization

Exhibit 2.7 AMENDMENT NO. 6 TO THE AGREEMENT AND PLAN OF REORGANIZATION THIS AMENDMENT (“Amendment”) dated and effective as of April 15, 2024 (the “Effective Date”) to the Agreement and Plan of Reorganization dated as of May 29, 2023 and amended as of June 22, 2023, October 5, 2023, October 17, 2023, November 3, 2023, and January 16, 2024 (the “M/A”), by and among (i) Atlantic Acquisition Corp, a

April 17, 2024 POS AM

As filed with the Securities and Exchange Commission on April 17, 2024.

As filed with the Securities and Exchange Commission on April 17, 2024. Registration No. 333-272908 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549F POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SEQLL INC. (Exact name of registrant as specified in its charter) Delaware 3826 46-5319744 (State or other jurisdiction of incor

April 17, 2024 EX-4.7

Form of Series A Warrant

Exhibit 4.7 SERIES A COMMON STOCK PURCHASE WARRANT ATLANTIC INTERNATIONAL CORP. Warrant Shares: [] Issue Date: [], 2024 THIS COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after [], 2024 (the “Initial Exe

April 17, 2024 EX-4.9

Form of Pre-Funded Warrant

Exhibit 4.9 PRE-FUNDED COMMON STOCK PURCHASE WARRANT SEQLL Inc. Warrant Shares: [] Initial Exercise Date: [], 2024 THIS PRE-FUNDED COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, [] or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date hereof (

April 10, 2024 EX-22

Subsidiaries of Atlantic International (previously filed as Exhibit 22 to Atlantic International’s Annual Report on Form 10-K, filed with the SEC on April 10, 2024).

Exhibit 22 Subsidiaries Name Jurisdiction Percentage Ownership SeqLL LLC Massachusetts 100%

April 10, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 333-254886 SeqLL Inc. (Exact name of re

April 1, 2024 NT 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One): ☒ Form 10-K ☐ Form 20-F ☐ Form 11-K ☐ Form 10-Q ☐ Form 10-D ☐ 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 o

March 25, 2024 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 21, 2024 SEQLL INC. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organization) (Commission Fi

February 12, 2024 S-1/A

As filed with the Securities and Exchange Commission on February 12, 2024.

As filed with the Securities and Exchange Commission on February 12, 2024. Registration No. 333-272908 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549F AMENDMENT NO. 15 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SEQLL INC. (Exact name of registrant as specified in its charter) Delaware 3826 46-5319744 (State or other jurisdiction of incorporation or

February 12, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables S-1 (Form Type) SeqLL Inc. (Exact Name of Registrant as Specified in its Charter) Not Applicable (Translation of Registrant’s Name into English) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offer

February 9, 2024 EX-4.8

Form of Series B Warrant

Exhibit 4.8 SERIES B COMMON STOCK PURCHASE WARRANT ATLANTIC INTERNATIONAL CORP. Warrant Shares: [] Issue Date: [], 2024 THIS COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after [], 2024 (the “Initial Exe

February 9, 2024 S-1/A

As filed with the Securities and Exchange Commission on February 9, 2024.

S-1/A 1 fs12024a14seqllinc.htm REGISTRATION STATEMENT As filed with the Securities and Exchange Commission on February 9, 2024. Registration No. 333-272908 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549F AMENDMENT NO. 14 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SEQLL INC. (Exact name of registrant as specified in its charter) Delaware 3826 46-531

February 8, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables S-1 (Form Type) SeqLL Inc. (Exact Name of Registrant as Specified in its Charter) Not Applicable (Translation of Registrant’s Name into English) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offer

February 8, 2024 EX-4.7

Form of Series A Warrant

Exhibit 4.7 SERIES A COMMON STOCK PURCHASE WARRANT ATLANTIC INTERNATIONAL CORP. Warrant Shares: [] Issue Date: [], 2024 THIS COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after [], 2024 (the “Initial Exe

February 8, 2024 S-1/A

As filed with the Securities and Exchange Commission on February 8, 2024.

As filed with the Securities and Exchange Commission on February 8, 2024. Registration No. 333-272908 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549F AMENDMENT NO. 13 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SEQLL INC. (Exact name of registrant as specified in its charter) Delaware 3826 46-5319744 (State or other jurisdiction of incorporation or

February 8, 2024 EX-4.8

Form of Series B Warrant

Exhibit 4.8 SERIES B COMMON STOCK PURCHASE WARRANT ATLANTIC INTERNATIONAL CORP. Warrant Shares: [] Issue Date: [], 2024 THIS COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after [], 2024 (the “Initial Exe

February 8, 2024 CORRESP

SEQLL INC. 3 Federal Street Billerica, MA 01821 February 8, 2024

SEQLL INC. 3 Federal Street Billerica, MA 01821 February 8, 2024 VIA EDGAR Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Ms. Rucha Pandit Ms. Mara Ransom Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. File No. 333-272908 Registration Statement on Form S-1 Ladies and Gentlemen: Pursuant to Rule 461 of t

February 8, 2024 CORRESP

EF HUTTON LLC 590 Madison Avenue, 39th Floor New York, NY 10022

EF HUTTON LLC 590 Madison Avenue, 39th Floor New York, NY 10022 February 8, 2024 VIA EDGAR Ms.

February 7, 2024 CORRESP

February 7, 2024

ERIC M. HELLIGE Partner DIRECT TEL: 212-326-0846 DIRECT FAX: 212-798-6380 [email protected] February 7, 2024 Via Edgar Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Ms. Rucha Pandit Ms. Mara Ransom Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. File No. 333-272908 Registration Statement on Form

February 7, 2024 CORRESP

EF HUTTON LLC 590 Madison Avenue, 39th Floor New York, NY 10022

EF HUTTON LLC 590 Madison Avenue, 39th Floor New York, NY 10022 February 7, 2024 VIA EDGAR Ms.

February 2, 2024 CORRESP

SEQLL INC. 3 Federal Street Billerica, MA 01821 February 2, 2024

SEQLL INC. 3 Federal Street Billerica, MA 01821 February 2, 2024 VIA EDGAR Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Ms. Rucha Pandit Ms. Mara Ransom Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. File No. 333-272908 Registration Statement on Form S-1 Ladies and Gentlemen: Pursuant to Rule 461 of t

February 2, 2024 CORRESP

EF HUTTON LLC 590 Madison Avenue, 39th Floor New York, NY 10022

EF HUTTON LLC 590 Madison Avenue, 39th Floor New York, NY 10022 February 2, 2024 VIA EDGAR Ms.

February 2, 2024 S-1/A

As filed with the Securities and Exchange Commission on February 1, 2024.

As filed with the Securities and Exchange Commission on February 1, 2024. Registration No. 333-272908 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549F AMENDMENT NO. 12 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SEQLL INC. (Exact name of registrant as specified in its charter) Delaware 3826 46-5319744 (State or other jurisdiction of incorporation or

February 1, 2024 CORRESP

* * *

ERIC M. HELLIGE Partner Direct Tel: 212-326-0846 Fax: 212-326-0806 [email protected] February 1, 2024 Via Edgar Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Mt. Donald Field Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. Amendment No. 12 to Registration Statement on Form S-1 File No. 333-27290

January 31, 2024 CORRESP

* * *

ERIC M. HELLIGE Partner Direct Tel: 212-326-0846 Fax: 212-326-0806 [email protected] January 31, 2024 Via Edgar Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Mt. Donald Field Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. Amendment No. 11 to Registration Statement on Form S-1 File No. 333-27290

January 31, 2024 EX-4.7

Form of Series A Warrant

Exhibit 4.7 SERIES A COMMON STOCK PURCHASE WARRANT ATLANTIC INTERNATIONAL CORP. Warrant Shares: [] Issue Date: [], 2024 THIS COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after [], 2024 (the “Initial Exe

January 31, 2024 EX-10.17

Form of Limited Guaranty and Pledge Agreement

Exhibit 10.17 The liens and security interests securing the indebtedness and other obligations incurred or arising under or evidenced by this instrument and the rights and obligations evidenced hereby with respect to such liens and security interests are subject to the provisions of that certain Intercreditor Agreement (as the same may be amended or otherwise modified from time to time pursuant to

January 31, 2024 EX-4.6

Form of Warrant Agency Agreement between SeqLL Inc. and VStock Transfer LLC

Exhibit 4.6 WARRANT AGENCY AGREEMENT WARRANT AGENCY AGREEMENT (this “Agreement”), dated as of February [●], 2024 (the “Issuance Date”) between Atlantic International Corp. in connection with the Offering (as defined below)), a Delaware corporation (the “Company”), and Vstock Transfer, LLC, a limited liability company organized under the laws of California (the “Warrant Agent”). WITNESSETH WHEREAS,

January 31, 2024 EX-4.8

Form of Series B Warrant

Exhibit 4.8 SERIES B COMMON STOCK PURCHASE WARRANT ATLANTIC INTERNATIONAL CORP. Warrant Shares: [] Issue Date: [], 2024 THIS COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after [], 2024 (the “Initial Exe

January 31, 2024 S-1/A

As filed with the Securities and Exchange Commission on January 31, 2024.

As filed with the Securities and Exchange Commission on January 31, 2024. Registration No. 333-272908 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549F AMENDMENT NO. 11 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SEQLL INC. (Exact name of registrant as specified in its charter) Delaware 3826 46-5319744 (State or other jurisdiction of incorporation or

January 18, 2024 EX-2.1

Amendment No. 5 to Agreement and Plan of Reorganization dated as of January 16, 2024 among the Company, SeqLL Merger LLC, Atlantic Acquisition Corp, Atlantic Merger LLC, Lyneer Investments, LLC, IDC Technologies, Inc. and Lyneer Management Holdings LLC

Exhibit 2.1 AMENDMENT NO. 5 TO THE AGREEMENT AND PLAN OF REORGANIZATION THIS AMENDMENT (“Amendment”) dated and effective as of January 16, 2024 (the “Effective Date”) to the Agreement and Plan of Reorganization dated as of May 29, 2023 and amended as of June 22, 2023, October 5, 2023, October 17, 2023, and November 3, 2023 (the “M/A”), by and among (i) Atlantic Acquisition Corp, a Delaware corpora

January 18, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 16, 2024 SEQLL INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 16, 2024 SEQLL INC. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organization) (Commission

January 17, 2024 EX-10.13

Second Omnibus Agreement dated as of January 16, 2024 by IDC Technologies Inc., Lyneer Investments LLC and its subsidiaries, PBC Lyneer Holdings LLC, as Administrative Agent, and PBC Lyneer Co-Investors, L.P.

Exhibit 10.13 SECOND OMNIBUS AMENDMENT This Second Omnibus Amendment (this “Second Amendment”) is dated as of January 16, 2024, with effect from December 31, 2023, by IDC Technologies, Inc., a California corporation (“IDC”), Lyneer Investments, LLC, a Delaware limited liability company (“Lyneer Investments”), Lyneer Management Holdings LLC, a Delaware limited liability company (“Management Holding

January 17, 2024 EX-4.8

Form of Series B Warrant

Exhibit 4.8 SERIES B COMMON STOCK PURCHASE WARRANT SEQLL INC. Warrant Shares: [] Issue Date: [], 2024 THIS COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after [], 2024 (the “Initial Exercise Date”) and o

January 17, 2024 S-1/A

As filed with the Securities and Exchange Commission on January 17, 2024.

As filed with the Securities and Exchange Commission on January 17, 2024. Registration No. 333-272908 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549F AMENDMENT NO. 10 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SEQLL INC. (Exact name of registrant as specified in its charter) Delaware 3826 46-5319744 (State or other jurisdiction of incorporation or

January 17, 2024 EX-10.15

Sixth Amendment to Loan Agreement and Forbearance Agreement dated as of January 16, 2024 by and among IDC Technologies Inc., Lyneer Investments LLC and its subsidiaries, and SPP Credit Advisors LLC

Exhibit 10.15 Execution Version LIMITED CONSENT AND SIXTH AMENDMENT TO LOAN AGREEMENT AND FORBEARANCE AGREEMENT THIS LIMITED CONSENT AND SIXTH AMENDMENT TO LOAN AGREEMENT AND FORBEARANCE AGREEMENT (this “Sixth Amendment”), dated as of January 16, 2024, among IDC TECHNOLOGIES, INC., a California corporation (“IDC”), LYNEER INVESTMENTS, LLC, a Delaware limited liability company (“Lyneer Investments”

January 17, 2024 EX-10.16

Form of Convertible Promissory Note to be issued by Atlantic International Corp. to IDC Technologies Inc.

Exhibit 10.16 NEITHER THE ISSUANCE NOR SALE OF THE SECURITIES REPRESENTED BY THIS NOTE NOR THE SECURITIES INTO WHICH THESE SECURITIES ARE CONVERTIBLE HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR APPLICABLE STATE SECURITIES LAWS. THE SECURITIES MAY NOT BE OFFERED FOR SALE, SOLD, TRANSFERRED OR ASSIGNED (I) IN THE ABSENCE OF (A) AN EFFECTIVE REGISTRATION STATEMENT FOR THE SE

January 17, 2024 EX-2.6

Amendment No. 5 to Agreement and Plan of Reorganization

Exhibit 2.6 AMENDMENT NO. 5 TO THE AGREEMENT AND PLAN OF REORGANIZATION THIS AMENDMENT (“Amendment”) dated and effective as of January 16, 2024 (the “Effective Date”) to the Agreement and Plan of Reorganization dated as of May 29, 2023 and amended as of June 22, 2023, October 5, 2023, October 17, 2023, and November 3, 2023 (the “M/A”), by and among (i) Atlantic Acquisition Corp, a Delaware corpora

January 17, 2024 EX-10.12

Allocation Agreement dated as of December 31, 2023 by and among Lyneer Investments LLC and its subsidiaries; IDC Technologies Inc. and Prateek Gattani

Exhibit 10.12 ALLOCATION AGREEMENT THIS ALLOCATION AGREEMENT (the “Agreement”) is made as of December 31, 2023 (the “Agreement Date”), by and among (i) Lyneer Investments, LLC, a Delaware limited liability company and its subsidiaries (the “Lyneer Investments”), (ii) IDC Technologies, Inc., a California corporation (“IDC”) and Prateek Gattani (“Gattani”). Each of above are hereinafter referred to

January 17, 2024 EX-4.7

Form of Series A Warrant

Exhibit 4.7 SERIES A COMMON STOCK PURCHASE WARRANT SEQLL INC. Warrant Shares: [] Issue Date: [], 2024 THIS COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after [], 2024 (the “Initial Exercise Date”) and o

January 17, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables S-1 (Form Type) SeqLL Inc. (Exact Name of Registrant as Specified in its Charter) Not Applicable (Translation of Registrant’s Name into English) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offer

January 17, 2024 EX-10.14

Limited Consent and Fifth Amendment to ABL Credit Agreement and Forbearance Agreement dated as of January 16, 2024 by and among IDC Technologies Inc., Lyneer Investments LLC and its subsidiaries, and BMO Bank, N.A., as Administrative Agent

Exhibit 10.14 EXECUTION VERSION LIMITED CONSENT AND FIFTH AMENDMENT TO ABL CREDIT AGREEMENT AND FORBEARANCE AGREEMENT THIS LIMITED CONSENT AND FIFTH AMENDMENT TO ABL CREDIT AGREEMENT AND FORBEARANCE AGREEMENT (this “Fifth Amendment”), dated as of January 16, 2024, among IDC TECHNOLOGIES, INC., a California corporation (“IDC”), LYNEER INVESTMENTS, LLC, a Delaware limited liability company (“Lyneer

January 16, 2024 CORRESP

* * *

ERIC M. HELLIGE Partner Direct Tel: 212-326-0846 Fax: 212-326-0806 [email protected] January 17, 2024 Via Edgar Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Mt. Donald Field Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. Amendment No. 10 to Registration Statement on Form S-1 File No. 333-27290

December 19, 2023 CORRESP

EF HUTTON LLC 590 Madison Avenue, 39th Floor New York, NY 10022

EF HUTTON LLC 590 Madison Avenue, 39th Floor New York, NY 10022 December 19, 2023 VIA EDGAR Ms.

December 19, 2023 CORRESP

December 19, 2023

ERIC M. HELLIGE Partner DIRECT TEL: 212-326-0846 DIRECT FAX: 212-798-6380 [email protected] December 19, 2023 Via Edgar Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Ms. Rucha Pandit Ms. Mara Ransom Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. File No. 333-272908 Registration Statement on For

December 18, 2023 CORRESP

SEQLL INC. 3 Federal Street Billerica, MA 01821 December 18, 2023

SEQLL INC. 3 Federal Street Billerica, MA 01821 December 18, 2023 VIA EDGAR Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Ms. Rucha Pandit Ms. Mara Ransom Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. File No. 333-272908 Registration Statement on Form S-1 Ladies and Gentlemen: Pursuant to Rule 461 of

December 18, 2023 CORRESP

* * *

ERIC M. HELLIGE Partner Direct Tel: 212-326-0846 Fax: 212-326-0806 [email protected] December 18, 2023 Via Edgar Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Mt. Donald Field Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. Amendment No. 9 to Registration Statement on Form S-1 Filed December 5,

December 18, 2023 CORRESP

EF HUTTON LLC 590 Madison Avenue, 39th Floor New York, NY 10022

EF HUTTON LLC 590 Madison Avenue, 39th Floor New York, NY 10022 December 18, 2023 VIA EDGAR Ms.

December 5, 2023 EX-4.7

Form of Series A Warrant

Exhibit 4.7 EXHIBIT 1 Series A Warrant Certificate SERIES A COMMON STOCK PURCHASE WARRANT SEQLL INC. THIS SERIES A COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after (the “Issuance Date”) and unless ter

December 5, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables S-1 (Form Type) SeqLL Inc. (Exact Name of Registrant as Specified in its Charter) Not Applicable (Translation of Registrant’s Name into English) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offer

December 5, 2023 S-1/A

As filed with the Securities and Exchange Commission on December 5, 2023.

As filed with the Securities and Exchange Commission on December 5, 2023. Registration No. 333-272908 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549F AMENDMENT NO. 9 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SEQLL INC. (Exact name of registrant as specified in its charter) Delaware 3826 46-5319744 (State or other jurisdiction of incorporation or o

December 5, 2023 CORRESP

December 5, 2023

ERIC M. HELLIGE Partner Direct Tel: 212-326-0846 Fax: 212-326-0806 [email protected] December 5, 2023 Via Edgar Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Mt. Donald Field Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. Amendment No. 8 to Registration Statement on Form S-1 Filed November 13,

December 5, 2023 EX-4.8

Form of Series B Warrant

Exhibit 4.8 EXHIBIT 2 Series B Warrant Certificate SERIES B COMMON STOCK PURCHASE WARRANT SEQLL INC. THIS SERIES B COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after (the “Issuance Date”) and unless ter

December 5, 2023 EX-4.9

Form of Pre-Funded Warrant

Exhibit 4.9 PRE-FUNDED COMMON STOCK PURCHASE WARRANT SEQLL Inc. Warrant Shares: [] Initial Exercise Date: [], 2023 THIS PRE-FUNDED COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, [] or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date hereof (

November 20, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 001-40760 SEQLL INC. (Exact na

November 16, 2023 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 10, 2023 SEQLL INC. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organization) (Commission

November 14, 2023 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended: September 30, 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

November 14, 2023 CORRESP

ERIC M. HELLIGE

ERIC M. HELLIGE Partner DIRECT TEL: 212-326-0846 DIRECT FAX: 212-798-6380 [email protected] November 14, 2023 Via Edgar Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Ms. Mara Ransom Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. File No. 333-272908 Registration Statement on Form S-1 Ladies and

November 14, 2023 CORRESP

EF HUTTON division of Benchmark Investments, LLC 590 Madison Avenue, 39th Floor New York, NY 10022

EF HUTTON division of Benchmark Investments, LLC 590 Madison Avenue, 39th Floor New York, NY 10022 November 14, 2023 VIA EDGAR U.

November 13, 2023 CORRESP

SEQLL INC. 3 Federal Street Billerica, MA 01821 November 10, 2023

SEQLL INC. 3 Federal Street Billerica, MA 01821 November 10, 2023 VIA EDGAR Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Ms. Mara Ransom Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. File No. 333-272908 Registration Statement on Form S-1 Ladies and Gentlemen: Pursuant to Rule 461 of the General Rules

November 13, 2023 CORRESP

November 13, 2023

ERIC M. HELLIGE Partner DIRECT TEL: 212-326-0846 FAX: 212-326-0806 [email protected] November 13, 2023 Via Edgar Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Ms. Mara Ransom Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. Amendment No. 7 to Registration Statement on Form S-1 Filed November 7, 2

November 13, 2023 S-1/A

As filed with the Securities and Exchange Commission on November 13, 2023.

As filed with the Securities and Exchange Commission on November 13, 2023. Registration No. 333-272908 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549F AMENDMENT NO. 8 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SEQLL INC. (Exact name of registrant as specified in its charter) Delaware 3826 46-5319744 (State or other jurisdiction of incorporation or

November 13, 2023 CORRESP

EF HUTTON division of Benchmark Investments, LLC 590 Madison Avenue, 39th Floor New York, NY 10022

EF HUTTON division of Benchmark Investments, LLC 590 Madison Avenue, 39th Floor New York, NY 10022 November 10, 2023 VIA EDGAR U.

November 9, 2023 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 3, 2023 SEQLL INC. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organization) (Commission

November 7, 2023 S-1/A

As filed with the Securities and Exchange Commission on November 7, 2023.

As filed with the Securities and Exchange Commission on November 7, 2023. Registration No. 333-272908 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549F AMENDMENT NO. 7 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SEQLL INC. (Exact name of registrant as specified in its charter) Delaware 3826 46-5319744 (State or other jurisdiction of incorporation or o

November 7, 2023 EX-4.6

Form of Warrant Agency Agreement between SeqLL Inc. and VStock Transfer LLC

Exhibit 4.6 WARRANT AGENCY AGREEMENT WARRANT AGENCY AGREEMENT (this “Agreement”), dated as of November [●], 2023 (the “Issuance Date”) between SeqLL Inc. (to be renamed Atlantic International Corp. in connection with the Offering (as defined below)), a Delaware corporation (the “Company”), and Vstock Transfer, LLC, a limited liability company organized under the laws of California (the “Warrant Ag

November 7, 2023 EX-4.7

Form of Series A Warrant

Exhibit 4.7 EXHIBIT 1 Series A Warrant Certificate SERIES A COMMON STOCK PURCHASE WARRANT SEQLL INC. THIS SERIES A COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after (the “Issuance Date”) and unless ter

November 7, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables S-1 (Form Type) SeqLL Inc. (Exact Name of Registrant as Specified in its Charter) Not Applicable (Translation of Registrant’s Name into English) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offer

November 7, 2023 CORRESP

* * *

ERIC M. HELLIGE Partner DIRECT TEL: 212-326-0846 FAX: 212-326-0806 [email protected] November 7, 2023 Via Edgar Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Ms. Mara Ransom Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. Amendment No. 6 to Registration Statement on Form S-1 Filed October 27, 20

November 7, 2023 EX-2.5

Amendment No. 4 to Agreement and Plan of Reorganization

Exhibit 2.5 AMENDMENT NO. 4 TO THE AGREEMENT AND PLAN OF REORGANIZATION THIS AMENDMENT (“Amendment”) dated and effective as of November 3, 2023 (the “Effective Date”) to the Agreement and Plan of Reorganization dated as of May 29, 2023 and amended as of June 22, 2023, October 5, 2023 and October 17, 2023 (the “M/A”), by and among (i) Atlantic Acquisition Corp, a Delaware corporation (“Atlantic”),

November 7, 2023 EX-4.8

Form of Series B Warrant

Exhibit 4.8 EXHIBIT 2 Series B Warrant Certificate SERIES B COMMON STOCK PURCHASE WARRANT SEQLL INC. THIS SERIES B COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after (the “Issuance Date”) and unless ter

November 7, 2023 EX-1.1

Form of Underwriting Agreement

Exhibit 1.1 SEQLL INC. (to be renamed Atlantic International Corp.) UNDERWRITING AGREEMENT [], 2023 EF Hutton, division of Benchmark Investments, LLC As the Representative of the Several underwriters, if any, named in Schedule I hereto 590 Madison Avenue, 39th Floor New York, New York 10022 Ladies and Gentlemen: The undersigned, SeqLL Inc. (to be renamed Atlantic International Corp. in connection

October 27, 2023 EX-2.5

Form of Amendment No. 4 to Agreement and Plan of Reorganization

Exhibit 2.5 FORM OF AMENDMENT NO. 4 TO THE AGREEMENT AND PLAN OF REORGANIZATION THIS AMENDMENT (“Amendment”) effective as of October 27, 2023 (the “Effective Date”) to the Agreement and Plan of Reorganization dated as of May 29, 2023 and amended as of June 22, 2023 and October 5, 2023 (the “M/A”), by and among (i) Atlantic Acquisition Corp, a Delaware corporation (“Atlantic”), (ii) Atlantic Merger

October 27, 2023 EX-4.5

Form of Representative’s Warrant

Exhibit 4.5 Form of Representative’s Warrant NEITHER THESE SECURITIES NOR THE SECURITIES ISSUABLE UPON EXERCISE OF THESE SECURITIES HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD

October 27, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-1 (Form Type) SEQLL INC. (Exact Name of Registrant as Specified in its Charter) Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Share(1) Maximum Aggregate Offering Price(1) Fee Rate Amount of Registration Fee Fees To Be Paid Equity Common stock, par value $0.00001 per

October 27, 2023 S-1/A

As filed with the Securities and Exchange Commission on October 27, 2023.

As filed with the Securities and Exchange Commission on October 27, 2023. Registration No. 333-272908 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549F AMENDMENT NO. 6 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SEQLL INC. (Exact name of registrant as specified in its charter) Delaware 3826 46-5319744 (State or other jurisdiction of incorporation or o

October 27, 2023 EX-1.1

Form of Underwriting Agreement

Exhibit 1.1 SEQLL INC. (to be renamed Atlantic International Corp.) UNDERWRITING AGREEMENT [], 2023 EF Hutton, division of Benchmark Investments, LLC As the Representative of the Several underwriters, if any, named in Schedule I hereto 590 Madison Avenue, 39th Floor New York, New York 10022 Ladies and Gentlemen: The undersigned, SeqLL Inc. (to be renamed Atlantic International Corp. in connection

October 25, 2023 CORRESP

October 25, 2023

ERIC M. HELLIGE Partner DIRECT TEL: 212-326-0846 DIRECT FAX: 212-798-6380 [email protected] October 25, 2023 Via Edgar Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Ms. Mara Ransom Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. File No. 333-272908 Registration Statement on Form S-1 Ladies and G

October 25, 2023 CORRESP

EF HUTTON division of Benchmark Investments, LLC 590 Madison Avenue, 39th Floor New York, NY 10022

EF HUTTON division of Benchmark Investments, LLC 590 Madison Avenue, 39th Floor New York, NY 10022 October 25, 2023 VIA EDGAR U.

October 20, 2023 CORRESP

EF HUTTON division of Benchmark Investments, LLC 590 Madison Avenue, 39th Floor New York, NY 10022

EF HUTTON division of Benchmark Investments, LLC 590 Madison Avenue, 39th Floor New York, NY 10022 October 20, 2023 VIA EDGAR U.

October 20, 2023 CORRESP

EF HUTTON division of Benchmark Investments, LLC 590 Madison Avenue, 39th Floor New York, NY 10022

EF HUTTON division of Benchmark Investments, LLC 590 Madison Avenue, 39th Floor New York, NY 10022 October 20, 2023 VIA EDGAR U.

October 20, 2023 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 17, 2023 SEQLL INC. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organization) (Commission

October 20, 2023 CORRESP

SEQLL INC. 3 Federal Street Billerica, MA 01821 October 20, 2023

SEQLL INC. 3 Federal Street Billerica, MA 01821 October 20, 2023 VIA EDGAR Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Ms. Mara Ransom Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. File No. 333-272908 Registration Statement on Form S-1 Ladies and Gentlemen: Pursuant to Rule 461 of the General Rules

October 19, 2023 CORRESP

SEQLL INC. 3 Federal Street Billerica, MA 01821

SEQLL INC. 3 Federal Street Billerica, MA 01821 October 18, 2023 VIA EDGAR Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Ms. Mara Ransom Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. File No. 333-272908 Registration Statement on Form S-1 Ladies and Gentlemen: Pursuant to Rule 461 of the General Rules

October 18, 2023 EX-1.1

Form of Underwriting Agreement

Exhibit 1.1 SEQLL INC. (to be renamed Atlantic International Corp.) UNDERWRITING AGREEMENT [], 2023 EF Hutton, division of Benchmark Investments, LLC As the Representative of the Several underwriters, if any, named in Schedule I hereto 590 Madison Avenue, 39th Floor New York, New York 10022 Ladies and Gentlemen: The undersigned, SeqLL Inc. (to be renamed Atlantic International Corp. in connection

October 18, 2023 CORRESP

[Signature Page Follows]

PERSONAL AND CONFIDENTIAL October 17, 2023 October 18, 2023 VIA EDGAR U.S. Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. (the “Company”) Registration Statement on Form S-1 Filed June 23, 2023 File No. 333-272908 Ladies and Gentlemen: Pursuant to Rule 461 of the General Rules and Regulations of the U.S. Securities and Exchange Commission under the Secur

October 18, 2023 EX-2.3

Amendment No. 2 to Agreement and Plan of Reorganization

Exhibit 2.3 AMENDMENT NO. 2 TO THE AGREEMENT AND PLAN OF REORGANIZATION THIS AMENDMENT (“Amendment”) effective as of October 5, 2023 (the “Effective Date”) to the Agreement and Plan of Reorganization dated as of May 29, 2023 and amended as of June 22, 2023 (the “M/A”), by and among (i) Atlantic Acquisition Corp, a Delaware corporation (“Atlantic”), (ii) Atlantic Merger LLC, a Delaware limited liab

October 18, 2023 EX-4.8

Form of Series B Warrant

Exhibit 4.8 EXHIBIT 2 Series B Warrant Certificate SERIES B COMMON STOCK PURCHASE WARRANT SEQLL INC. THIS SERIES B COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after (the “Issuance Date”) and unless ter

October 18, 2023 S-1/A

As filed with the Securities and Exchange Commission on October 18, 2023.

As filed with the Securities and Exchange Commission on October 18, 2023. Registration No. 333-272908 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549F AMENDMENT NO. 5 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SEQLL INC. (Exact name of registrant as specified in its charter) Delaware 3826 46-5319744 (State or other jurisdiction of incorporation or o

October 18, 2023 EX-4.7

Form of Series A Warrant

Exhibit 4.7 EXHIBIT 1 Series A Warrant Certificate SERIES A COMMON STOCK PURCHASE WARRANT SEQLL INC. THIS SERIES A COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after (the “Issuance Date”) and unless ter

October 18, 2023 EX-4.6

Form of Warrant Agency Agreement between SeqLL Inc. and VStock Transfer LLC including form of warrant certificate

Exhibit 4.6 WARRANT AGENCY AGREEMENT WARRANT AGENCY AGREEMENT (this “Agreement”), dated as of , 2023 (the “Issuance Date”) between SeqLL Inc. (to be renamed Atlantic International Corp. in connection with the Offering (as defined below)), a Delaware corporation (the “Company”), and Vstock Transfer, LLC, a limited liability company organized under the laws of California (the “Warrant Agent”). WITNE

October 18, 2023 EX-2.4

Amendment No. 3 to Agreement and Plan of Reorganization

Exhibit 2.4 AMENDMENT NO. 3 TO THE AGREEMENT AND PLAN OF REORGANIZATION THIS AMENDMENT (“Amendment”) effective as of October 17, 2023 (the “Effective Date”) to the Agreement and Plan of Reorganization dated as of May 29, 2023 and amended as of June 22, 2023 and October 5, 2023 (the “M/A”), by and among (i) Atlantic Acquisition Corp, a Delaware corporation (“Atlantic”), (ii) Atlantic Merger LLC, a

October 18, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables S-1 (Form Type) SeqLL Inc. (Exact Name of Registrant as Specified in its Charter) Not Applicable (Translation of Registrant’s Name into English) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offer

October 10, 2023 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 5, 2023 SEQLL INC. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organization) (Commission F

October 5, 2023 EX-4.6

Form of Warrant Agency Agreement between SeqLL Inc. and VStock Transfer LLC including form of warrant certificate

Exhibit 4.6 WARRANT AGENCY AGREEMENT WARRANT AGENCY AGREEMENT (this “Agreement”), dated as of , 2023 (the “Issuance Date”) between SeqLL Inc. (to be renamed Atlantic International Corp. in connection with the Offering (as defined below)), a Delaware corporation (the “Company”), and Vstock Transfer, LLC, a limited liability company organized under the laws of California (the “Warrant Agent”). WITNE

October 5, 2023 S-1/A

As filed with the Securities and Exchange Commission on October 5, 2023.

As filed with the Securities and Exchange Commission on October 5, 2023. Registration No. 333-272908 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549F AMENDMENT NO. 4 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SEQLL INC. (Exact name of registrant as specified in its charter) Delaware 3826 46-5319744 (State or other jurisdiction of incorporation or or

October 5, 2023 EX-2.3

Amendment No. 2 to Agreement and Plan of Reorganization

Exhibit 2.3 AMENDMENT NO. 2 TO THE AGREEMENT AND PLAN OF REORGANIZATION THIS AMENDMENT (“Amendment”) effective as of October 5, 2023 (the “Effective Date”) to the Agreement and Plan of Reorganization dated as of May 29, 2023 and amended as of June 22, 2023 (the “M/A”), by and among (i) Atlantic Acquisition Corp, a Delaware corporation (“Atlantic”), (ii) Atlantic Merger LLC, a Delaware limited liab

September 22, 2023 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 18, 2023 SEQLL INC. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organization) (Commissio

September 15, 2023 EX-99.1

SEQLL ANNOUNCES CASH AND STOCK DIVIDEND RECORD DATE

Exhibit 99.1 SEQLL ANNOUNCES CASH AND STOCK DIVIDEND RECORD DATE BILLERICA, Mass., September 15, 2023 - SeqLL Inc. (“SeqLL” or the “Company”) (Nasdaq: SQL, SQLLW), announced today that its board of directors has set September 26, 2023 as the record date for its special stock dividend and cash dividend to be made to the holders of its common stock pursuant to the terms of the Agreement and Plan of

September 15, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 15, 2023 SEQLL INC. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organization) (Commissio

September 14, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 8, 2023 SEQLL INC. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 8, 2023 SEQLL INC. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organization) (Commission

September 14, 2023 S-1/A

As filed with the Securities and Exchange Commission on September 14, 2023.

As filed with the Securities and Exchange Commission on September 14, 2023. Registration No. 333-272908 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549F AMENDMENT NO. 3 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SEQLL INC. (Exact name of registrant as specified in its charter) Delaware 3826 46-5319744 (State or other jurisdiction of incorporation or

September 13, 2023 CORRESP

* * *

ERIC M. HELLIGE Partner DIRECT TEL: 212-326-0846 FAX: 212-326-0806 [email protected] September 13, 2023 Via Edgar Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Ms. Mara Ransom Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. Amendment No. 3 to Registration Statement on Form S-1 Filed September 1,

September 1, 2023 S-1/A

As filed with the Securities and Exchange Commission on September 1, 2023.

As filed with the Securities and Exchange Commission on September 1, 2023. Registration No. 333-272908 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549F AMENDMENT NO. 2 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SEQLL INC. (Exact name of registrant as specified in its charter) Delaware 3826 46-5319744 (State or other jurisdiction of incorporation or

September 1, 2023 CORRESP

* * *

ERIC M. HELLIGE Partner DIRECT TEL: 212-326-0846 FAX: 212-326-0806 [email protected] September 1, 2023 Via Edgar Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Ms. Mara Ransom Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. Amendment No. 1 to Registration Statement on Form S-1 Filed August 15, 20

August 30, 2023 EX-99.1

SeqLL to Conduct 1-for-40 Reverse Stock Split

Exhibit 99.1 SeqLL to Conduct 1-for-40 Reverse Stock Split BILLERICA, Mass., August 30, 2023 - SeqLL Inc. (“SeqLL” or the “Company”) (Nasdaq: SQL, SQLLW), a technology company providing life sciences instrumentation and research services, today announced that it will conduct a reverse stock split of its outstanding shares of common stock at a ratio of 1-for-40. The reverse stock split will become

August 30, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 29, 2023 SEQLL INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 29, 2023 SEQLL INC. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organization) (Commission F

August 30, 2023 EX-3.1

Certificate of Amendment of the Third Amended and Restated Certificate of Incorporation of SeqLL Inc. (previously filed as Exhibit 3.1 to Atlantic International’s Current Report on Form 8-K filed with the SEC on August 30, 2023).

Exhibit 3.1

August 21, 2023 8-K

Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 21, 2023 SEQLL INC. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organization) (Commission F

August 15, 2023 EX-4.7

Form of Pre-Funded Warrant

Exhibit 4.7 PRE-FUNDED COMMON STOCK PURCHASE WARRANT SEQLL Inc. Warrant Shares: [] Initial Exercise Date: [], 2023 THIS PRE-FUNDED COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, [] or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date hereof (

August 15, 2023 EX-10.12

Employment Agreement dated August 31, 2021 by and between Lyneer and James Radvany

Exhibit 10.12 EXECUTION COPY EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (“Agreement”) is made and entered into effective as of August 31, 2021 (the “Effective Date”) by and between Lyneer Staffing Solutions, LLC, a Delaware limited liability company (the “Company”), and James S. Radvany (hereinafter, the “Executive”). W I T N E S S E T H: WHEREAS, the Executive possesses in

August 15, 2023 EX-10.6

Form of Escrow Agreement for IDC Members

Exhibit 10.6 ESCROW AGREEMENT THIS ESCROW AGREEMENT (this “Agreement”), made as of the day of , 2023, by and among Atlantic International Corp., a Delaware corporation (“AIC”) and IDC Technologies, Inc., a California corporation (“IDC”), each referred to as a “Party” and collectively as the “Parties”; and Continental Stock Transfer & Trust Company (the “Escrow Agent”). Unless otherwise defined her

August 15, 2023 EX-10.10

Form of Executive Employment Agreement between Atlantic International Corp. and Jeffrey Jagid

Exhibit 10.10 EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (the “Agreement”) is made as of , 2023 by and between Atlantic International Corp., a Delaware corporation (the “Company”) (f/k/a SeqLL Inc.), which currently has an address at 270 Sylvan Ave, Englewood Cliffs, New Jersey 07632, and Jeffrey Jagid (“Executive”), an individual having an address at 304 Hardenburgh Ave, D

August 15, 2023 EX-1.1

Form of Underwriting Agreement

Exhibit 1.1 [] SHARES of Common Stock, [] pre-funded warrants (EXERCISABLE FOR [] SHARES of Common Stock) and [] Warrants (EXERCISABLE FOR [] SHARES OF COMMON STOCK) OF SEQLL INC. (to be renamed Atlantic International Corp.) UNDERWRITING AGREEMENT [], 2023 EF Hutton, division of Benchmark Investments, LLC As the Representative of the Several underwriters, if any, named in Schedule I hereto 590 Mad

August 15, 2023 CORRESP

* * *

ERIC M. HELLIGE Partner DIRECT TEL: 212-326-0846 FAX: 212-326-0806 [email protected] August 15, 2023 Via Edgar Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Ms. Mara Ransom Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. Registration Statement on Form S-1 Filed June 23, 2023 File No. 333-272908

August 15, 2023 S-1/A

As filed with the Securities and Exchange Commission on August 15, 2023.

As filed with the Securities and Exchange Commission on August 15, 2023. Registration No. 333-272908 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549F AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SEQLL INC. (Exact name of registrant as specified in its charter) Delaware 3826 46-5319744 (State or other jurisdiction of incorporation or or

August 15, 2023 EX-10.7

Form of Consulting Agreement between Atlantic International Corp. and Robert Machinist

EXHIBIT 10.7 CONSULTING AGREEMENT This Consulting Agreement (the “Agreement”) is entered into as of , 2023, between Atlantic International Corp., a Delaware corporation (the “Company”) (f/k/a SeqLL Inc.), which has an address at 270 Sylvan Ave, Englewood Cliffs, New Jersey 07632, and Robert Machinist (the “Consultant”), who currently has an address at 270 Sylvan Ave, Englewood Cliffs, New Jersey 0

August 15, 2023 EX-10.9

Form of Executive Employment Agreement between Atlantic International Corp. and Michael Tenore

Exhibit 10.9 EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (the “Agreement”) is made as of , 2023 by and between Atlantic International Corp., a Delaware corporation (the “Company”) (f/k/a SeqLL Inc.), which currently has an address at 270 Sylvan Ave, Englewood Cliffs, New Jersey 07632, and Michael Tenore (“Executive”), an individual having an address at 270 Sylvan Ave, Englew

August 15, 2023 EX-4.6

Form of Warrant Agency Agreement between SeqLL Inc. and VStock Transfer LLC including form of warrant certificate

Exhibit 4.6 WARRANT AGENCY AGREEMENT WARRANT AGENCY AGREEMENT (this “Agreement”), dated as of , 2023 (the “Issuance Date”) between SeqLL Inc. (to be renamed Atlantic International Corp. in connection with the Offering (as defined below)), a Delaware corporation (the “Company”), and Vstock Transfer, LLC, a limited liability company organized under the laws of California (the “Warrant Agent”). WITNE

August 15, 2023 EX-10.8

Form of Executive Employment Agreement between Atlantic International Corp. and Christopher Broderick

Exhibit 10.8 EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (the “Agreement”) is made as of , 2023 by and between Atlantic International Corp., a Delaware corporation (the “Company”) (f/k/a SeqLL Inc.), which currently has an address at 270 Sylvan Ave, Englewood Cliffs, New Jersey 07632, and Christopher Broderick (“Executive”), an individual having an address at 270 Sylvan Aven

August 15, 2023 EX-10.11

Employment Agreement dated August 31, 2021 by and between Lyneer and Todd McNulty

Exhibit 10.11 EXECUTION COPY EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (“Agreement”) is made and entered into effective as of August 31, 2021 (the “Effective Date”) by and between Lyneer Staffing Solutions, LLC, a Delaware limited liability company (the “Company”), and Todd McNulty (hereinafter, the “Executive”). W I T N E S S E T H: WHEREAS, the Executive possesses intima

August 10, 2023 DEFM14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of

August 10, 2023 PRER14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 4) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confid

August 9, 2023 CORRESP

August 10, 2023

ERIC M. HELLIGE Partner DIRECT TEL: 212-326-0846 FAX: 212-326-0806 [email protected] August 10, 2023 VIA EDGAR Ms. Ta Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Ms. Mara Ransom Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. Revised Preliminary Proxy Statement on Schedule 14A Filed August 7, 2023 Fi

August 7, 2023 PRER14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 3) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confid

August 7, 2023 CORRESP

August 7, 2023

ERIC M. HELLIGE Partner DIRECT TEL: 212-326-0846 FAX: 212-326-0806 [email protected] August 7, 2023 VIA EDGAR Ms. Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Ms. Mara Ransom Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc.Revised Preliminary Proxy Statement on Schedule 14A Filed August 1, 2023 File No

August 4, 2023 10-Q

Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 001-40760 SEQLL INC. (Exact name of

August 1, 2023 PRER14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 2) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confid

August 1, 2023 CORRESP

ERIC M. HELLIGE

ERIC M. HELLIGE Partner DIRECT TEL: 212-326-0846 FAX: 212-326-0806 [email protected] August 1, 2023 VIA EDGAR Ms. Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Ms. Mara Ransom Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. Preliminary Proxy Statement on Schedule 14A File No. 001-40760 Ladies and Gentl

July 11, 2023 PRER14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confid

July 10, 2023 CORRESP

July 10, 2023

ERIC M. HELLIGE Partner DIRECT TEL: 212-326-0846 FAX: 212-326-0806 [email protected] July 10, 2023 VIA EDGAR Ms. Tanisha Meadows Ms. Theresa Brillant Mr. Nicholas Nalbantian Ms. Mara Ransom Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL Inc. Preliminary Proxy Statement on Schedule 14A File No. 001-40760 Ladies and Gentle

June 23, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables S-1 (Form Type) SeqLL Inc. (Exact Name of Registrant as Specified in its Charter) Not Applicable (Translation of Registrant’s Name into English) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offer

June 23, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 20, 2023 SEQLL INC. (Exact na

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 20, 2023 SEQLL INC. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organization) (Commission Fil

June 23, 2023 S-1

As filed with the Securities and Exchange Commission on June 23, 2023.

As filed with the Securities and Exchange Commission on June 23, 2023. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549F FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SEQLL INC. (Exact name of registrant as specified in its charter) Delaware 3826 46-5319744 (State or other jurisdiction of incorporation or organization) (Primary Standa

June 23, 2023 EX-2.2

Amendment No. 1 to Agreement and Plan of Reorganization

Exhibit 2.2 AMENDMENT NO. 1 TO THE AGREEMENT AND PLAN OF REORGANIZATION THIS AMENDMENT (“Amendment”) effective as of June 22, 2023 (the “Effective Date”) to the Agreement and Plan of Reorganization dated as of May 29, 2023 (the “M/A”), by and among (i) Atlantic Acquisition Corp, a Delaware corporation (“Atlantic”), (ii) Atlantic Merger LLC, a Delaware limited liability company and a majority-owned

June 5, 2023 PREM14A

Atlantic International Corp. 2023 Equity Incentive Plan

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of

June 5, 2023 EX-FILING FEES

Calculation of Filing Fee Tables SCHEDULE 14A (Form Type) SeqLL Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Tables SCHEDULE 14A (Form Type) SeqLL Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Fo

May 31, 2023 8-K

Form 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 29, 2023 SEQLL INC. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organization) (Commission File

May 31, 2023 EX-10.1

Asset Purchase Agreement dated as of May 29, 2023

Exhibit 10.1 ASSET PURCHASE AGREEMENT by and between SeqLL Inc. and SeqLL Omics, Inc. This ASSET PURCHASE AGREEMENT (this “Agreement”) is made as of May 29, 2023, by and between SeqLL Inc., a Delaware corporation (“Seller”) on the one hand, and SeqLL Omics, Inc., a Delaware corporation (“Buyer” and, together with Seller, the “Parties” and each individually, a “Party”), on the other hand. WHEREAS,

May 31, 2023 EX-99.1

SeqLL Inc. Enters into a Definitive Merger Agreement with Lyneer Staffing Solutions and Atlantic Acquisition Corp.

Exhibit 99.1 SeqLL Inc. Enters into a Definitive Merger Agreement with Lyneer Staffing Solutions and Atlantic Acquisition Corp. BILLERICA, MA, May 30, 2023 – SeqLL Inc. (“SeqLL” or the “Company”) (Nasdaq: SQL, SQLLW), a technology company providing life sciences instrumentation and research services, today announced that it has entered into a definitive merger agreement (the “Merger Agreement”) wi

May 31, 2023 EX-2.1

Agreement and Plan of Reorganization

Exhibit 2.1 EXECUTION COPY AGREEMENT AND PLAN OF REORGANIZATION by and among SeqLL Inc., as the Purchaser, SEQLL MERGER LLC, as the Purchaser Sub, ATLANTIC ACQUISITION CORP., as Atlantic, ATLANTIC MERGER LLC, as Atlantic Merger Sub, LYNEER INVESTMENTS, LLC, as the Company, IDC TECHNOLOGIES, INC., and LYNEER MANAGEMENT HOLDINGS LLC, as the Sellers Dated May 29, 2023 TABLE OF CONTENTS Title Page REC

May 9, 2023 10-Q

Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 333-150332 SEQLL INC. (Exact name

March 16, 2023 10-K

Audited Financial Statements of SeqLL for the years ended December 31, 2022 and 2021

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 333-254886 SeqLL Inc. (Exact name of re

February 15, 2023 EX-99.1

SeqLL Inc. Announces Pricing of $1.8 Million Registered Direct Offering

Exhibit 99.1 SeqLL Inc. Announces Pricing of $1.8 Million Registered Direct Offering BILLERICA, MA, February 13, 2023 – SeqLL Inc. (NASDAQ: SQL and SQLLW) (“SeqLL” or the “Company”), a technology company providing life sciences instrumentation and research services, today announced that it has entered into a securities purchase agreement (the “Agreement”) with institutional investors to purchase 2

February 15, 2023 424B5

2,000,000 Shares Common Stock EXPLANATORY NOTE

Filed Pursuant to Rule 424(b)(5) Registration No. 333-268319 STICKER SUPPLEMENT NO. 1 (To the prospectus supplement dated February 13, 2023) (To the prospectus dated December 8, 2022) 2,000,000 Shares Common Stock EXPLANATORY NOTE This sticker supplement no. 1 (this “sticker supplement”) is part of, and should be read in conjunction with, our prospectus supplement, dated February 13, 2023 (the “Pr

February 15, 2023 EX-99.2

SeqLL Inc. Announces Closing of $1.8 Million Registered Direct Offering

Exhibit 99.2 SeqLL Inc. Announces Closing of $1.8 Million Registered Direct Offering BILLERICA, MA, February 15, 2023 – SeqLL Inc. (Nasdaq: SQL and SQLLW) (“SeqLL” or the “Company”), a technology company providing life sciences instrumentation and research services, today announced the closing of its previously announced registered direct offering of 2,000,000 shares of common stock at a purchase

February 15, 2023 EX-10.1

Placement Agency Agreement dated as of February 13, 2023 between SeqLL Inc. and Maxim Group LLC

Exhibit 10.1 PLACEMENT AGENCY AGREEMENT February 13, 2023 SeqLL, Inc. 3 Federal Street Billerica, MA 01801 Attention: Daniel Jones, Chief Executive Officer Dear Mr. Jones: This agreement (the “Agreement”) constitutes the agreement between Maxim Group LLC (the “Placement Agent”) and SeqLL, a Delaware corporation (the “Company”), pursuant to which the Placement Agent shall serve as the exclusive pla

February 15, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 13, 2023 SEQLL INC. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 13, 2023 SEQLL INC. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organization) (Commission

February 15, 2023 424B5

SEQLL INC. 2,000,000 Shares of Common Stock

PROSPECTUS SUPPLEMENT Filed pursuant to Rule 424(b)(5) (To Prospectus dated December 8, 2022) File No.

February 15, 2023 EX-10.2

Form of Securities Purchase Agreement dated as of February 13, 2023 between SeqLL Inc. and the purchasers signatory thereto

Exhibit 10.2 SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (this “Agreement”) is dated as of February 13, 2023, between SeqLL, Inc., a Delaware corporation (the “Company”), and each purchaser identified on the signature pages hereto (each, including its successors and assigns, a “Purchaser” and collectively the “Purchasers”). WHEREAS, subject to the terms and conditions set fort

December 22, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) December 20, 2022 SEQLL INC. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) December 20, 2022 SEQLL INC. (Exact name of registrant as specified in charter) Delaware 001-40760 46-5319744 (State or other Jurisdiction of Incorporation or Organization) (Commission

December 22, 2022 EX-99.1

SEQLL INC. GRANTED SECOND 180-DAY EXTENSION BY NASDAQ REGARDING MINIMUM BID REQUIREMENTS

Exhibit 99.1 SEQLL INC. GRANTED SECOND 180-DAY EXTENSION BY NASDAQ REGARDING MINIMUM BID REQUIREMENTS BILLERICA, MA, Dec. 22, 2022 (GLOBE NEWSWIRE) - SeqLL Inc. (NASDAQ: SQL and SQLLW) (?SeqLL? or the ?Company?), a technology company providing life sciences instrumentation and research services, announced that on December 20, 2022, the Company received written notice (the ?Notice?) from the Listin

December 5, 2022 CORRESP

SeqLL, Inc. 3 Federal Street Billerica, MA 01821

SeqLL, Inc. 3 Federal Street Billerica, MA 01821 December 5, 2022 VIA EDGAR Mr. Sean Healy Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SeqLL, Inc. Registration Statement on Form S-3 Filed November 14, 2022 File No. 333-268319 Ladies and Gentlemen: Pursuant to Rules 460 and 461 of the General Rules and Regulations under the Securiti

November 14, 2022 S-3

As filed with the Securities and Exchange Commission on November 10, 2022

As filed with the Securities and Exchange Commission on November 10, 2022 Registration No.

November 14, 2022 EX-4.1

Form of Indenture

Exhibit 4.1 INDENTURE Dated as of , 20 Between SeqLL Inc. as Issuer And [], as Trustee Debt Securities TABLE OF CONTENTS Page ARTICLE I DEFINITIONS AND INCORPORATION BY REFERENCE 1 SECTION 1.01. Definitions 1 SECTION 1.02. Other Definitions 3 SECTION 1.03 Incorporation by Reference of Trust Indenture Act 3 SECTION 1.04 Rules of Construction 4 ARTICLE II THE SECURITIES 4 SECTION 2.01 Unlimited in A

November 14, 2022 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables S-3 (Form Type) SeqLL Inc. (Exact Name of Registrant as Specified in its Charter) Not Applicable (Translation of Registrant’s Name into English) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offer

November 8, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 333-150332 SEQLL INC. (Exact n

August 12, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 333-150332 SEQLL INC. (Exact name o

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