LSCC / Lattice Semiconductor Corporation - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Lattice Semiconductor Corporation
US ˙ NasdaqGS ˙ US5184151042

Mga Batayang Estadistika
LEI 549300LRBBPZDQ2II567
CIK 855658
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 Lattice Semiconductor Corporation
SEC Filings (Chronological Order)
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August 4, 2025 EX-99.1

LATTICE SEMICONDUCTOR REPORTS Second QUARTER 2025 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS Second QUARTER 2025 RESULTS HILLSBORO, Ore. - August 4, 2025 - Lattice Semiconductor Corporation (Nasdaq: LSCC), the low power programmable lea

August 4, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 4, 2024 Lattice Semiconductor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 4, 2024 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

August 4, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED June 28, 2025 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 000

June 2, 2025 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form

Exhibit 1.01 Conflict Minerals Report This Conflict Minerals Report for Lattice Semiconductor Corporation is prepared pursuant to Rule 13p-1 under the Securities Exchange Act of 1934 (“Rule 13p-1”) for the reporting period that ended December 31, 2024. Lattice Semiconductor Corporation (collectively with its subsidiaries “Lattice,” “we,” or “our”) designs, develops and markets programmable logic a

June 2, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM SD Specialized Disclosure Report Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM SD Specialized Disclosure Report Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 5, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED March 29, 2025 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 00

May 5, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 2, 2025 Lattice Semiconductor Co

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 2, 2025 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 5, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 5, 2024 Lattice Semiconductor Co

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 5, 2024 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 5, 2025 EX-99.1

LATTICE SEMICONDUCTOR REPORTS First QUARTER 2025 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS First QUARTER 2025 RESULTS HILLSBORO, Ore. - May 5, 2025 - Lattice Semiconductor Corporation (Nasdaq: LSCC), the low power programmable leader,

April 17, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 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 the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy

March 20, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 the Commission Only (as permitted by Rule 14a-6(e)(2))

March 20, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definiti

February 14, 2025 EX-21.1

Subsidiaries of the Registrant.

Exhibit 21.1 LATTICE SEMICONDUCTOR CORPORATION SUBSIDIARIES OF THE REGISTRANT Name Jurisdiction of Incorporation 1. Lattice Semiconductor Limited Bermuda 2. Lattice Semiconductor (Shanghai) Co. Ltd. China 3. Lattice Semiconducteurs SARL France 4. Lattice Semiconductor GmbH Germany 5. Lattice Semiconductor (India) Pvt. Ltd. India 6. Lattice Semiconductor SRL Italy 7. Lattice Semiconductor KK Japan

February 14, 2025 EX-19.1

Lattice Semiconductor Corporation Insider Trading Policy.

Exhibit 19.1 LATTICE SEMICONDUCTOR CORPORATION INSIDER TRADING POLICY INTENT Lattice Semiconductor Corporation (the “Company”) has adopted this Insider Trading Policy (this “Policy”) to prevent “insider trading” transactions by employees, directors, officers, agents and advisors in Company stock or other securities that violate U.S. federal or state or other applicable securities laws or are other

February 14, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 28, 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: 000-18

February 14, 2025 EX-10.14

Lattice Semiconductor Corporation 2024 Corporate Incentive Plan.

Exhibit 10.14 LATTICE SEMICONDUCTOR CORPORATION 2024 Corporate Incentive Plan Summary ("CIP") Purpose The Lattice Corporate Incentive Plan (the “Plan”) directly supports the achievement of business objectives while rewarding individual contribution. Employees will be compensated both for achievement of specific financial measures derived from the Company’s annual operating plan and corporate perfo

February 10, 2025 EX-99.2

Lattice Semiconductor Announces New Executive Leadership Team Appointments FPGA industry veterans Lorenzo Flores, Nicole Singer, and Erhaan Shaikh bring deep experience driving strategic company growth

Exhibit 99.2 MEDIA CONTACT: Sophia Hong Lattice Semiconductor 503-268-8786 [email protected] INVESTOR CONTACT: Rick Muscha Lattice Semiconductor 408-826-6000 [email protected] Lattice Semiconductor Announces New Executive Leadership Team Appointments FPGA industry veterans Lorenzo Flores, Nicole Singer, and Erhaan Shaikh bring deep experience driving strategic company growth HI

February 10, 2025 EX-10.1

Employment Agreement with Lorenzo Flores, entered into as of February 10, 2025.

Exhibit 10.1 Employment Agreement This Employment Agreement (the “Agreement”) is entered into by and between Lorenzo Flores (the “Executive”) and LATTICE SEMICONDUCTOR CORPORATION, a Delaware corporation (the “Company”) as of February 10, 2025 (the “Effective Date”). 1. Duties and Scope of Employment (a) Position. For the term of their employment under this Agreement (“Employment”), the Executive

February 10, 2025 EX-99.1

LATTICE SEMICONDUCTOR REPORTS Fourth QUARTER AND FULL YEAR 2024 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS Fourth QUARTER AND FULL YEAR 2024 RESULTS HILLSBORO, Ore. – February 10, 2025 – Lattice Semiconductor Corporation (Nasdaq: LSCC), the low power

February 10, 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, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 10, 2025 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

January 10, 2025 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 9, 2025 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

January 10, 2025 EX-10.1

2025 Inducement Equity Incentive Plan and related form agreements.

Exhibit 10.1 LATTICE SEMICONDUCTOR CORPORATION 2025 INDUCEMENT EQUITY INCENTIVE PLAN 1. Purpose of the Plan. The purpose of this Plan is to attract and retain the best available personnel for positions of substantial responsibility by providing an inducement material to individuals entering into employment with the Company or any Parent or Subsidiary of the Company, including grants to new employe

January 10, 2025 S-8

As filed with the Securities and Exchange Commission on January 10, 2025

As filed with the Securities and Exchange Commission on January 10, 2025 Registration No.

January 10, 2025 EX-FILING FEES

Filing Fee Table

Calculation of Filing Fee Tables S-8 LATTICE SEMICONDUCTOR CORP Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee 1 Equity Common Stock, par value $0.

December 9, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 4, 2024 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

December 9, 2024 EX-99.1

LATTICE SEMICONDUCTOR ANNOUNCES ADDITIONAL $100 MILLION STOCK REPURCHASE PROGRAM Authorization

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTOR: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR ANNOUNCES ADDITIONAL $100 MILLION STOCK REPURCHASE PROGRAM Authorization HILLSBORO, Ore. – December 9, 2024 – Lattice Semiconductor Corporation (Nasdaq:

November 4, 2024 EX-99.1

LATTICE SEMICONDUCTOR REPORTS Third QUARTER 2024 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS Third QUARTER 2024 RESULTS HILLSBORO, Ore. - November 4, 2024 - Lattice Semiconductor Corporation (Nasdaq: LSCC), the low power programmable le

November 4, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED September 28, 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 numbe

November 4, 2024 EX-10.1

Lattice Semiconductor Corporation 2023 Equity Incentive Plan Form of Restricted Stock Award Agreement

Exhibit 10.1 LATTICE SEMICONDUCTOR CORPORATION 2023 EQUITY INCENTIVE PLAN RESTRICTED STOCK AWARD AGREEMENT Unless otherwise defined herein, the terms defined in the Lattice Semiconductor Corporation 2023 Equity Incentive Plan (the “Plan”) will have the same defined meanings in this Restricted Stock Award Agreement, and the Terms and Conditions of Restricted Stock Grant, attached hereto as Exhibit

November 4, 2024 EX-10.2

Lattice Semiconductor Corporation 2023 Equity Incentive Plan Form of Restricted Stock Unit Award Agreement (Performance-Based)

Exhibit 10.2 LATTICE SEMICONDUCTOR CORPORATION 2023 EQUITY INCENTIVE PLAN RESTRICTED STOCK UNIT AWARD AGREEMENT (PERFORMANCE-BASED) Unless otherwise defined herein, the terms defined in the Lattice Semiconductor Corporation 2023 Equity Incentive Plan (the “Plan”)1 will have the same defined meanings in this Restricted Stock Unit Award Agreement (Performance-Based), and the Terms and Conditions of

November 4, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 4, 2024 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

October 11, 2024 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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 10, 2024 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

October 11, 2024 EX-99.1

Lattice Announces CFO Transition

Exhibit 99.1 NEWS RELEASE MEDIA CONTACT: INVESTOR CONTACT: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] Lattice Announces CFO Transition HILLSBORO, Ore. – October 11, 2024 – Lattice Semiconductor Corporation (Nasdaq: LSCC), the low power programmable leader, today announ

September 16, 2024 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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 14, 2024 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

September 16, 2024 EX-99.1

Lattice Semiconductor Appoints Ford Tamer as CEO

Exhibit 99.1 MEDIA CONTACT: INVESTOR CONTACT: Sophia Hong Rick Muscha Lattice Semiconductor Lattice Semiconductor 503-268-8786 408-826-6000 [email protected] [email protected] Lattice Semiconductor Appoints Ford Tamer as CEO HILLSBORO, OR – Sept. 16, 2024 – Following a comprehensive search by the Company’s Board of Directors, Lattice Semiconductor Corporation (NASDAQ: LSCC) tod

September 16, 2024 EX-10.1

Offer Letter with Ford Tamer, dated September 14, 2024.

Exhibit 10.1 LATTICE SEMICONDUCTOR CORPORATION September 14, 2024 Ford Tamer Via email Dear Ford, On behalf of the Board of Directors (the “Board”) of Lattice Semiconductor Corporation (the “Company”), I am pleased to offer you (“Executive”) the position of President and Chief Executive Officer (“CEO”) reporting to the Board. The Board unanimously believes that you are uniquely qualified to lead t

July 30, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED June 29, 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 000

July 29, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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) July 29, 2024 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

July 29, 2024 EX-99.1

LATTICE SEMICONDUCTOR REPORTS Second QUARTER 2024 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS Second QUARTER 2024 RESULTS HILLSBORO, OR - July 29, 2024 - Lattice Semiconductor Corporation (Nasdaq: LSCC), the low power programmable leader

June 3, 2024 EX-99.1

Lattice Semiconductor Appoints Esam Elashmawi Interim Chief Executive Officer President and Chief Executive Officer Jim Anderson Steps Down to Pursue a New Opportunity

Exhibit 99.1 FOR IMMEDIATE RELEASE Lattice Semiconductor Appoints Esam Elashmawi Interim Chief Executive Officer President and Chief Executive Officer Jim Anderson Steps Down to Pursue a New Opportunity HILLSBORO, Ore. – June 3, 2024 – Lattice Semiconductor Corporation (Nasdaq: LSCC), the low power programmable leader, today announced the appointment of Esam Elashmawi, Chief Marketing and Strategy

June 3, 2024 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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 31, 2024 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 31, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM SD Specialized Disclosure Report Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM SD Specialized Disclosure Report Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 31, 2024 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form

EX-1.01 2 ex681605.htm EXHIBIT 1.01 Exhibit 1.01 Conflict Minerals Report This Conflict Minerals Report for Lattice Semiconductor Corporation is prepared pursuant to Rule 13p-1 under the Securities Exchange Act of 1934 (“Rule 13p-1”) for the reporting period that ended December 31, 2023. Lattice Semiconductor Corporation (collectively with its subsidiaries “Lattice,” “we,” or “our”) designs, devel

May 6, 2024 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 3, 2024 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

April 30, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED March 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 00

April 29, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2024 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

April 29, 2024 EX-99.1

LATTICE SEMICONDUCTOR REPORTS First QUARTER 2024 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS First QUARTER 2024 RESULTS HILLSBORO, OR - April 29, 2024 - Lattice Semiconductor Corporation (Nasdaq: LSCC), the low power programmable leader

March 21, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 the Commission Only (as permitted by Rule 14a-6(e)(2))

March 21, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 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 the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy

March 1, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 28, 2024 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

February 16, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 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 number: 000-18

February 16, 2024 EX-97.1

Lattice Semiconductor Corporation Compensation Recovery Policy

Exhibit 97.1 LATTICE SEMICONDUCTOR CORPORATION COMPENSATION RECOVERY POLICY As adopted on August 4, 2023 Lattice Semiconductor Corporation (the “Company”) is committed to strong corporate governance. As part of this commitment, the Compensation Committee (the “Committee”) of the Company’s Board of Directors (the “Board”) has adopted this clawback policy called the Compensation Recovery Policy (the

February 16, 2024 EX-4.1

Description of Securities.

Exhibit 4.1 DESCRIPTION OF SECURITIES References to “Lattice” and the “Company” herein are, unless the context otherwise indicates, only to Lattice Semiconductor Corporation and not to any of its subsidiaries. Description of Capital Stock The following is a summary of the Company’s capital stock and certain provisions of its Restated Certificate of Incorporation (the “Certificate”) and Bylaws (the

February 16, 2024 EX-10.12

Lattice Semiconductor Corporation 2023 Cash Incentive Plan.

Exhibit 10.12 LATTICE SEMICONDUCTOR CORPORATION 2023 Cash Incentive Plan Summary Purpose The Lattice Cash Incentive Plan (the “Plan”) directly supports the achievement of business objectives while rewarding individual contribution. Employees will be compensated both for achievement of specific financial measures derived from the Company’s annual operating plan and corporate performance measured by

February 16, 2024 EX-21.1

Subsidiaries of the Registrant.

Exhibit 21.1 LATTICE SEMICONDUCTOR CORPORATION SUBSIDIARIES OF THE REGISTRANT Name Jurisdiction of Incorporation 1. Lattice Semiconductor Limited Bermuda 2. Lattice Semiconductor (Shanghai) Co. Ltd. China 3. Lattice Semiconducteurs SARL France 4. Lattice Semiconductor GmbH Germany 5. Lattice Semiconductor (India) Pvt. Ltd. India 6. Lattice Semiconductor SRL Italy 7. Lattice Semiconductor KK Japan

February 13, 2024 SC 13G/A

LSCC / Lattice Semiconductor Corporation / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01318-latticesemiconductor.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 15)* Name of issuer: Lattice Semiconductor Corp Title of Class of Securities: Common Stock CUSIP Number: 518415104 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate bo

February 12, 2024 EX-99.1

LATTICE SEMICONDUCTOR REPORTS Fourth QUARTER AND FULL YEAR 2023 RESULTS - rECORD FULL YEAR 2023 REVENUE OF $737 mILLION, uP 12% yEAR OVER YEAR

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS Fourth QUARTER AND FULL YEAR 2023 RESULTS - rECORD FULL YEAR 2023 REVENUE OF $737 mILLION, uP 12% yEAR OVER YEAR HILLSBORO, OR – February 12, 2

February 12, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 12, 2024 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

February 12, 2024 EX-99.1

JOINT FILING AGREEMENT

EX-99.1 2 d770768dex991.htm EX-99.1 EXHIBIT 1 JOINT FILING AGREEMENT The undersigned hereby agree to the joint filing of the Schedule 13G to which this Agreement is attached. Dated: 2/12/2024 ARTISAN PARTNERS ASSET MANAGEMENT INC, for itself and as the general partner of ARTISAN PARTNERS HOLDINGS LP By: Gregory K. Ramirez * ARTISAN INVESTMENTS GP LLC, for itself and as the general partner of ARTIS

February 12, 2024 SC 13G/A

LSCC / Lattice Semiconductor Corporation / Artisan Partners Limited Partnership - SC 13G/A Passive Investment

SC 13G/A 1 d770768dsc13ga.htm SC 13G/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Information to be Included in Statements Filed Pursuant to Rule 13d-1(b), (c) and (d) and Amendments Thereto Filed Pursuant to Rule 13d-2. Under the Securities Exchange Act of 1934 (Amendment No. 3)* Lattice Semiconductor Corporation (Name of Issuer) Common Stock (Title of C

December 15, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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) -12-30 December 14, 2023 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

December 15, 2023 EX-3.1

Amended and Restated Bylaws of Lattice Semiconductor Corporation.

Exhibit 3.1 AMENDED AND RESTATED BYLAWS OF LATTICE SEMICONDUCTOR CORPORATION (As amended as of December 14, 2023) TABLE OF CONTENTS Page ARTICLE I CORPORATE OFFICES 4 1.1 REGISTERED OFFICE 4 1.2 OTHER OFFICES 4 ARTICLE II MEETINGS OF STOCKHOLDERS 4 2.1 PLACE OF MEETINGS 4 2.2 ANNUAL MEETING 4 2.3 SPECIAL MEETING 4 2.4 NOTICE OF STOCKHOLDERS’ MEETINGS 5 2.5 MANNER OF GIVING NOTICE; AFFIDAVIT OF NOT

November 30, 2023 EX-99.1

LATTICE SEMICONDUCTOR EXPANDS STOCK REPURCHASE PROGRAM WITH NEW $250 Million Authorization

Exhibit 99.1 MEDIA CONTACT: INVESTOR CONTACT: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR EXPANDS STOCK REPURCHASE PROGRAM WITH NEW $250 Million Authorization HILLSBORO, OR – Nov. 30, 2023 - Lattice Semiconductor (NASDAQ: LSCC), the low power progr

November 30, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 30, 2023 Lattice Semiconduc

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 30, 2023 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

November 14, 2023 EX-99.1

Lattice Semiconductor Appoints John Forsyth and Que Thanh Dallara to Board of Directors

Exhibit 99.1 MEDIA CONTACT: INVESTOR CONTACT: Sophia Hong Rick Muscha Lattice Semiconductor Lattice Semiconductor 503-268-8786 408-826-6000 [email protected] [email protected] Lattice Semiconductor Appoints John Forsyth and Que Thanh Dallara to Board of Directors HILLSBORO, Ore. – November 14, 2023 – Lattice Semiconductor (NASDAQ: LSCC), the low power programmable leader, today

November 14, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 Lattice Semiconduc

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

November 7, 2023 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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) -12-30 November 3, 2023 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

November 7, 2023 EX-3.1

Amended and Restated Bylaws of the Company, effective November 3, 2023.

Exhibit 3.1 AMENDED AND RESTATED BYLAWS OF LATTICE SEMICONDUCTOR CORPORATION (As amended as of November 3, 2023) TABLE OF CONTENTS Page ARTICLE I CORPORATE OFFICES 4 1.1 REGISTERED OFFICE 4 1.2 OTHER OFFICES 4 ARTICLE II MEETINGS OF STOCKHOLDERS 4 2.1 PLACE OF MEETINGS 4 2.2 ANNUAL MEETING 4 2.3 SPECIAL MEETING 4 2.4 NOTICE OF STOCKHOLDERS’ MEETINGS 5 2.5 MANNER OF GIVING NOTICE; AFFIDAVIT OF NOTI

October 31, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ 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 numbe

October 30, 2023 EX-99.1

LATTICE SEMICONDUCTOR REPORTS Third QUARTER 2023 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS Third QUARTER 2023 RESULTS • Quarterly revenue growth of 11% compared to Q3 2022 and 1% compared to Q2 2023 • Gross Margin expands to 70.0% / 7

October 30, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 30, 2023 Lattice Semiconduct

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 30, 2023 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

September 12, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 11, 2023 Lattice Semicondu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 11, 2023 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

September 12, 2023 EX-99.1

Lattice Semiconductor Appoints Pravin Desale as Senior Vice President of R&D

EX-99.1 Exhibit 99.1 MEDIA CONTACT: Sophia Hong Lattice Semiconductor 503-268-8786 [email protected] INVESTOR CONTACT: Rick Muscha Lattice Semiconductor 408-826-6000 [email protected] Lattice Semiconductor Appoints Pravin Desale as Senior Vice President of R&D HILLSBORO, OR – Sept. 11, 2023 – Lattice Semiconductor Corporation (NASDAQ: LSCC), the low power programmable leader, t

August 1, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED July 1, 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 number 000-

July 31, 2023 EX-99.1

LATTICE SEMICONDUCTOR REPORTS Second QUARTER 2023 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS Second QUARTER 2023 RESULTS • Quarterly revenue growth of 18% compared to Q2 2022 and 3% compared to Q1 2023 • Gross Margin expands to 69.7% /

July 31, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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) July 31, 2023 Lattice Semiconductor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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) July 31, 2023 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 31, 2023 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM SD Specialized Disclosure Report Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM SD Specialized Disclosure Report Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 31, 2023 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form

Exhibit 1.01 Conflict Minerals Report This Conflict Minerals Report for Lattice Semiconductor Corporation is prepared pursuant to Rule 13p-1 under the Securities Exchange Act of 1934 (“Rule 13p-1”) for the reporting period that ended December 31, 2022. Lattice Semiconductor Corporation (collectively with its subsidiaries “Lattice,” “we,” or “our”) designs, develops and markets programmable logic a

May 15, 2023 EX-99.1

LATTICE DETAILS NEXT GROWTH PHASE AND LONG-TERM FINANCIAL MODEL AT 2023 ANALYST AND INVESTOR DAY

Exhibit 99.1 NEWS RELEASE MEDIA CONTACT: INVESTOR CONTACT Sophia Hong Rick Muscha Lattice Semiconductor Lattice Semiconductor 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE DETAILS NEXT GROWTH PHASE AND LONG-TERM FINANCIAL MODEL AT 2023 ANALYST AND INVESTOR DAY NEW YORK – May 15, 2023 – Lattice Semiconductor Corporation (NASDAQ: LSCC), the low power progr

May 15, 2023 EX-99.2

2023 Analyst and Investor Day Presentation (furnished herewith).

Exhibit 99.2

May 15, 2023 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 15, 2023 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 8, 2023 S-8

As filed with the Securities and Exchange Commission on May 8, 2023

As filed with the Securities and Exchange Commission on May 8, 2023 Registration No.

May 8, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Entry into a Material Definitive Agreement, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 5, 2023 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 8, 2023 EX-10.1

Lattice Semiconductor Corporation Form of Indemnification Agreement

Exhibit 10.1 LATTICE SEMICONDUCTOR CORPORATION INDEMNIFICATION AGREEMENT This Indemnification Agreement (this “Agreement”) is dated as of [insert date], and is between Lattice Semiconductor Corporation, a Delaware corporation (the “Company”), and [insert name of indemnitee] (“Indemnitee”). RECITALS A. Indemnitee’s service to the Company substantially benefits the Company. B. Individuals are reluct

May 8, 2023 EX-10.2

Lattice Semiconductor Corporation 2023 Equity Incentive Plan and related form agreements.

Exhibit 10.2 LATTICE SEMICONDUCTOR CORPORATION 2023 EQUITY INCENTIVE PLAN 1. Purpose of the Plan. The purpose of this Plan is to: ● to attract and retain the best available personnel for positions of substantial responsibility, ● to provide additional incentive to Employees, Directors and Consultants, and ● to promote the success of the Company’s business. The Plan permits the grant of Incentive S

May 8, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107.1 Calculation of Filing Fee Table Form S-8 (Form Type) Lattice Semiconductor Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered(1)(2) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee

May 2, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED April 1, 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 number 000

May 1, 2023 EX-99.1

LATTICE SEMICONDUCTOR REPORTS First QUARTER 2023 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS First QUARTER 2023 RESULTS • Record quarterly revenue with growth of 22% compared to Q1 2022 and 5% compared to Q4 2022 • Gross Margin expands

May 1, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 1, 2023 Lattice Semiconductor Co

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 1, 2023 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

April 18, 2023 DEFR14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defi

March 23, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Pro

March 23, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 the Commissi on O nly (as permitted by Rule 14a-6(e)(2)) ☒ De

March 14, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 10, 2023 Lattice Semiconductor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 10, 2023 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

March 14, 2023 EX-99.1

Lattice Semiconductor Appoints Elizabeth Schwarting to Board of Directors

Exhibit 99.1 MEDIA CONTACT: INVESTOR CONTACT: Sophia Hong Rick Muscha Lattice Semiconductor Lattice Semiconductor 503-268-8786 408-826-6000 [email protected] [email protected] Lattice Semiconductor Appoints Elizabeth Schwarting to Board of Directors HILLSBORO, Ore. – March 14, 2023 – Lattice Semiconductor (NASDAQ: LSCC), the low power programmable leader, today announced the ap

February 17, 2023 EX-10.12

Form of 2013 Incentive Plan Notice of Performance-Based Restricted Stock Unit Award and Global Performance-Based Restricted Stock Unit Agreement (Revenue Growth Performance Basis).

Exhibit 10.12 LATTICE SEMICONDUCTOR CORPORATION 2013 INCENTIVE PLAN NOTICE OF PERFORMANCE-BASED RESTRICTED STOCK UNIT AWARD AND GLOBAL PERFORMANCE-BASED RESTRICTED STOCK UNIT AGREEMENT The Participant has been granted this Restricted Stock Unit (“RSU”) award according to the terms below and subject to the terms and conditions of the Lattice Semiconductor Corporation 2013 Incentive Plan (the “Plan”

February 17, 2023 EX-10.10

Form of 2013 Incentive Plan Stock Option Agreement (Performance-Based Option).

Exhibit 10.10 LATTICE SEMICONDUCTOR CORPORATION 2013 INCENTIVE PLAN STOCK OPTION AGREEMENT Unless otherwise defined herein, the terms defined in the Plan shall have the same defined meanings in this Option Agreement. I. NOTICE OF STOCK OPTION GRANT Dear %%FIRSTNAME%-% %%LASTNAME %-% You have been granted an option to purchase Common Stock of the Company, subject to the terms and conditions of the

February 17, 2023 EX-10.9

Form of 2013 Incentive Plan Restricted Stock Unit Agreement.

Exhibit 10.9 EXHIBIT A LATTICE SEMICONDUCTOR CORPORATION 2013 INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT 1. Grant. The Company hereby grants to the Employee an award of Restricted Stock Units (“RSUs”), as set forth in the Notice of Grant of Restricted Stock Units and subject to the terms and conditions in this Agreement and the Company’s 2013 Incentive Plan (the “Plan”). Unless otherwise defin

February 17, 2023 EX-10.5

Form of 2011 Non-Employee Director Equity Incentive Plan Outside Director Option Agreement.

Exhibit 10.5 LATTICE SEMICONDUCTOR CORPORATION OUTSIDE DIRECTOR OPTION AGREEMENT Lattice Semiconductor Corporation, (the “Company”), has granted to %%FIRSTNAME%-% %%LASTNAME%-% (the “Optionee”), an option to purchase a total of ninety thousand (90,000) shares of the Company's Common Stock (the “Optioned Stock”), at the price determined as provided herein, and in all respects subject to the terms,

February 17, 2023 EX-10.16

Lattice Semiconductor Corporation 2022 Cash Incentive Plan.

Exhibit 10.16 LATTICE SEMICONDUCTOR CORPORATION 2022 Cash Incentive Plan Summary Purpose The Lattice Cash Incentive Plan (the “Plan”) directly supports the achievement of business objectives while rewarding individual contribution. Employees will be compensated both for achievement of specific financial measures derived from the Company’s annual operating plan and corporate performance measured by

February 17, 2023 EX-10.11

Form of 2013 Incentive Plan Notice of Performance-Based Restricted Stock Unit Award and Global Performance-Based Restricted Stock Unit Agreement (TSR Performance Basis).

Exhibit 10.11 LATTICE SEMICONDUCTOR CORPORATION 2013 INCENTIVE PLAN NOTICE OF PERFORMANCE-BASED RESTRICTED STOCK UNIT AWARD AND GLOBAL PERFORMANCE-BASED RESTRICTED STOCK UNIT AGREEMENT The Participant has been granted this Restricted Stock Unit (“RSU”) award according to the terms below and subject to the terms and conditions of the Lattice Semiconductor Corporation 2013 Incentive Plan (the “Plan”

February 17, 2023 EX-10.6

Form of 2011 Non-Employee Director Equity Incentive Plan Restricted Stock Unit Agreement.

Exhibit 10.6 EXHIBIT A LATTICE SEMICONDUCTOR CORPORATION 2011 NON-EMPLOYEE DIRECTOR EQUITY INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT 1. Grant. The Company hereby grants to the Non-Employee Director an award of Restricted Stock Units (“RSUs”), as set forth in the Notice of Grant of Restricted Stock Units and subject to the terms and conditions in this Agreement and the Company’s 2011 Non-Emplo

February 17, 2023 EX-4.1

Description of Securities.

Exhibit 4.1 DESCRIPTION OF SECURITIES References to “Lattice” and the “Company” herein are, unless the context otherwise indicates, only to Lattice Semiconductor Corporation and not to any of its subsidiaries. Description of Capital Stock The following is a summary of the Company’s capital stock and certain provisions of its Restated Certificate of Incorporation (the “Certificate”) and Bylaws (the

February 17, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission file number: 000-18

February 17, 2023 EX-21.1

Subsidiaries of the Registrant.

Exhibit 21.1 LATTICE SEMICONDUCTOR CORPORATION SUBSIDIARIES OF THE REGISTRANT Name Jurisdiction of Incorporation 1. Lattice Semiconductor Limited Bermuda 2. Lattice Semiconductor (Shanghai) Co. Ltd. China 3. Lattice Semiconducteurs SARL France 4. Lattice Semiconductor GmbH Germany 5. Lattice Semiconductor (India) Pvt. Ltd. India 6. Lattice Semiconductor SRL Italy 7. Lattice Semiconductor KK Japan

February 17, 2023 EX-10.8

Form of 2013 Incentive Plan Stock Option Agreement.

Exhibit 10.8 LATTICE SEMICONDUCTOR CORPORATION 2013 INCENTIVE PLAN STOCK OPTION AGREEMENT Unless otherwise defined herein, the terms defined in the Plan shall have the same defined meanings in this Option Agreement. I. NOTICE OF STOCK OPTION GRANT Dear %%FIRSTNAME%-% %%LASTNAME %-% You have been granted an option to purchase Common Stock of the Company, subject to the terms and conditions of the P

February 13, 2023 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

February 13, 2023 EX-99.1

LATTICE SEMICONDUCTOR REPORTS Fourth QUARTER AND FULL YEAR 2022 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS Fourth QUARTER AND FULL YEAR 2022 RESULTS • Revenue Increases 28.1% for the Full Year 2022 Compared to the Full Year 2021; Q4 2022 Revenue Incr

February 10, 2023 SC 13G/A

LSCC / Lattice Semiconductor Corp / Artisan Partners Limited Partnership - SC 13G/A Passive Investment

SC 13G/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Information to be Included in Statements Filed Pursuant to Rule 13d-1(b), (c) and (d) and Amendments Thereto Filed Pursuant to Rule 13d-2. Under the Securities Exchange Act of 1934 (Amendment No. 2 )* Lattice Semiconductor Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 518415104

February 9, 2023 SC 13G/A

LSCC / Lattice Semiconductor Corp / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01280-latticesemiconductor.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 14)* Name of issuer: Lattice Semiconductor Corp. Title of Class of Securities: Common Stock CUSIP Number: 518415104 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate b

December 1, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 30, 2022 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

December 1, 2022 EX-99.1

Lattice Semiconductor Appoints Douglas Bettinger to Board of Directors

Exhibit 99.1 MEDIA CONTACT: INVESTOR CONTACT: Sophia Hong Rick Muscha Lattice Semiconductor Lattice Semiconductor 503-268-8786 408-826-6000 [email protected] [email protected] Lattice Semiconductor Appoints Douglas Bettinger to Board of Directors HILLSBORO, Ore. ? Dec. 1, 2022 ? Lattice Semiconductor (NASDAQ: LSCC), the low power programmable leader, today announced the appoint

November 1, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED October 1, 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 number 0

October 31, 2022 EX-99.1

LATTICE SEMICONDUCTOR REPORTS Third QUARTER 2022 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS Third QUARTER 2022 RESULTS ? Record quarterly revenue with growth of 31% compared to Q3 2021 and 7% compared to Q2 2022 ? Gross Margin expands

October 31, 2022 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 31, 2022 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

September 14, 2022 EX-99.1

Lattice Semiconductor Appoints Raejeanne Skillern to Board of Directors

Exhibit 99.1 MEDIA CONTACT: INVESTOR CONTACT: Sophia Hong Rick Muscha Lattice Semiconductor Lattice Semiconductor 503-268-8786 408-826-6000 [email protected] [email protected] Lattice Semiconductor Appoints Raejeanne Skillern to Board of Directors HILLSBORO, Ore. - Sept. 14, 2022 - Lattice Semiconductor (NASDAQ: LSCC), the low power programmable leader, today announced the appo

September 14, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 11, 2022 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

September 2, 2022 EX-10.1

Amended and Restated Credit Agreement, dated as of September 1, 2022, by and among Lattice Semiconductor Corporation, as borrower, the lenders from time to time party thereto and Wells Fargo Bank, National Association, as administrative agent. (Incorporated by reference to Exhibit 10.1 filed with the Company's Current Report on Form 8-K filed September 2, 2022).

Exhibit 10.1 EXECUTION VERSION Published CUSIP Number: [] Revolving Credit CUSIP Number: [] $350,000,000 AMENDED AND RESTATED CREDIT AGREEMENT dated as of September 1, 2022, by and among LATTICE SEMICONDUCTOR CORPORATION, as Borrower, the Lenders referred to herein, as Lenders, and WELLS FARGO BANK, NATIONAL ASSOCIATION, as Administrative Agent, Swingline Lender and Issuing Lender WELLS FARGO SECU

September 2, 2022 8-K

Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 1, 2022 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

August 8, 2022 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 5, 2022 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

August 8, 2022 EX-99.1

LATTICE SEMICONDUCTOR EXPANDS STOCK REPURCHASE PROGRAM WITH NEW $150 Million Authorization

Exhibit 99.1 MEDIA CONTACT: INVESTOR CONTACT: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR EXPANDS STOCK REPURCHASE PROGRAM WITH NEW $150 Million Authorization HILLSBORO, Ore. ? Aug. 8, 2022 - Lattice Semiconductor (NASDAQ: LSCC), the low power prog

August 2, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED July 2, 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 number 000-

August 1, 2022 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 1, 2022 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

August 1, 2022 EX-99.1

LATTICE SEMICONDUCTOR REPORTS Second QUARTER 2022 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS Second QUARTER 2022 RESULTS ? Record quarterly revenue with growth of 28% compared to Q2 2021 and 7% compared to Q1 2022 ? Gross Margin expands

June 9, 2022 SC 13G/A

LSCC / Lattice Semiconductor Corp / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 13)* Name of issuer: Lattice Semiconductor Corp. Title of Class of Securities: Common Stock CUSIP Number: 518415104 Date of Event Which Requires Filing of this Statement: May 31, 2022 Check the appropriate box to designate the rule pursuant to which this Schedule is file

May 31, 2022 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM SD Specialized Disclosure Report Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter)

SD 1 lscc20220525sd.htm FORM SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM SD Specialized Disclosure Report Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.) 5555 NE Moore Ct., Hillsboro, Orego

May 31, 2022 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form

EX-1.01 2 ex380242.htm EXHIBIT 1.01 Exhibit 1.01 Conflict Minerals Report This Conflict Minerals Report for Lattice Semiconductor Corporation is prepared pursuant to Rule 13p-1 under the Securities Exchange Act of 1934 (“Rule 13p-1”) for the reporting period that ended December 31, 2021. Lattice Semiconductor Corporation (collectively with its subsidiaries “Lattice,” “we,” or “our”) designs, devel

May 10, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 6, 2022 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 4, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED April 2, 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 number 000

May 4, 2022 EX-3.1

The Company's Bylaws, as amended as of April 29, 2022.

Exhibit 3.1 AMENDED AND RESTATED BYLAWS OF LATTICE SEMICONDUCTOR CORPORATION (As amended as of April 29, 2022) TABLE OF CONTENTS Page ARTICLE 1 CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II MEETINGS OF STOCKHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 1 2.4 NOTICE OF STOCKHOLDERS' MEETINGS 2 2.5 MANNER OF GIVING NOTICE; AFFIDAVIT OF NOTICE

May 3, 2022 EX-99.1

LATTICE SEMICONDUCTOR REPORTS First QUARTER 2022 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS First QUARTER 2022 RESULTS ? Revenue increases 30% compared to Q1 2021 and 6% compared to Q4 2021 ? Gross Margin expands to 66.9% / 67.7% for Q

May 3, 2022 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 3, 2022 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 2, 2022 DEFR14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defi

May 2, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2022 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

March 24, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEF 14A 1 d281418ddef14a.htm DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 the Commission Only (as

March 24, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 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 the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy State

February 23, 2022 EX-21.1

Subsidiaries of the Registrant.

Exhibit 21.1 LATTICE SEMICONDUCTOR CORPORATION SUBSIDIARIES OF THE REGISTRANT Name Jurisdiction of Incorporation 1. Lattice Semiconductor Limited Bermuda 2. Lattice Semiconductor (Shanghai) Co. Ltd. China 3. Lattice Semiconducteurs SARL France 4. Lattice Semiconductor GmbH Germany 5. Lattice Semiconductor (India) Pvt. Ltd. India 6. Lattice Semiconductor SRL Italy 7. Lattice Semiconductor KK Japan

February 23, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED January 1, 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 number: 000-1803

February 23, 2022 EX-10.9

Lattice Semiconductor Corporation 2021 Cash Incentive Plan.

Exhibit 10.9 LATTICE SEMICONDUCTOR CORPORATION 2021 Cash Incentive Plan Summary Purpose The Lattice Cash Incentive Plan (the ?Plan? or "CIP") directly supports the achievement of business objectives while rewarding individual contribution. Employees will be compensated both for achievement of specific financial measures derived from the Company?s annual operating plan and corporate performance mea

February 15, 2022 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 15, 2022 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

February 15, 2022 EX-99.1

LATTICE SEMICONDUCTOR REPORTS Fourth QUARTER AND FULL YEAR 2021 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS Fourth QUARTER AND FULL YEAR 2021 RESULTS ? Revenue increases 26.3% for the full year 2021 compared to the full year 2020; Q4 2021 revenue incr

February 10, 2022 SC 13G/A

LSCC / Lattice Semiconductor Corp / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 12)* Name of issuer: Lattice Semiconductor Corp. Title of Class of Securities: Common Stock CUSIP Number: 518415104 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is

November 15, 2021 8-K

Regulation FD Disclosure, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 15, 2021 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

November 15, 2021 EX-99.1

Lattice Acquires Mirametrix — Expands Software Portfolio with Complementary AI and Computer Vision Capabilities —

Exhibit 99.1 MEDIA CONTACT: INVESTOR CONTACT: Sophia Hong Rick Muscha Lattice Semiconductor Lattice Semiconductor 503-268-8786 408-826-6000 [email protected] [email protected] Lattice Acquires Mirametrix ? Expands Software Portfolio with Complementary AI and Computer Vision Capabilities ? HILLSBORO, Ore. - Nov. 15, 2021 - Lattice Semiconductor Corporation (NASDAQ: LSCC), today

November 8, 2021 EX-99.1

LATTICE SEMICONDUCTOR ANNOUNCES STOCK REPURCHASE PROGRAM

Exhibit 99.1 CONTACTS MEDIA: INVESTORS: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR ANNOUNCES STOCK REPURCHASE PROGRAM HILLSBORO, OR - November 8, 2021 - Lattice Semiconductor Corporation (NASDAQ: LSCC), the low power programmable leader, today ann

November 8, 2021 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 5, 2021 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

November 3, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED October 2, 2021 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 0

November 2, 2021 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 2, 2021 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

November 2, 2021 EX-99.1

LATTICE SEMICONDUCTOR REPORTS Third QUARTER 2021 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS Third QUARTER 2021 RESULTS ? Revenue increases 28% compared to Q3 2020 and 5% compared to Q2 2021 ? Gross Margin Expands to 62.8% / 63.6% for Q

August 4, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED July 3, 2021 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 000-

August 3, 2021 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 3, 2021 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

August 3, 2021 EX-99.1

LATTICE SEMICONDUCTOR REPORTS Second QUARTER 2021 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS Second QUARTER 2021 RESULTS ? Revenue increases 25% compared to Q2 2020 and 9% compared to Q1 2021 ? Gross Margin Expands to 61.3% / 62.1% for

June 1, 2021 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM SD Specialized Disclosure Report Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM SD Specialized Disclosure Report Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

June 1, 2021 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form.

Exhibit 1.01 Conflict Minerals Report This Conflict Minerals Report for Lattice Semiconductor Corporation is prepared pursuant to Rule 13p-1 under the Securities Exchange Act of 1934 (?Rule 13p-1?) for the reporting period that ended December 31, 2020. Lattice Semiconductor Corporation (collectively with its subsidiaries ?Lattice,? ?we,? or ?our?) designs, develops and markets programmable logic a

May 12, 2021 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 7, 2021 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 11, 2021 EX-99.1

LATTICE SEMICONDUCTOR DETAILS ACCELERATED GROWTH STRATEGY AND LONG-TERM MODEL AT 2021 INVESTOR DAY

Exhibit 99.1 NEWS RELEASE For more information contact: MEDIA CONTACT: INVESTOR CONTACT: Bob Nelson Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 408-826-6339 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR DETAILS ACCELERATED GROWTH STRATEGY AND LONG-TERM MODEL AT 2021 INVESTOR DAY HILLSBORO, OR - May 11, 2021 - Lattice S

May 11, 2021 EX-99.2

2021 Investor Day Presentation (furnished herewith).

Exhibit 99.2

May 11, 2021 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 11, 2021 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 6, 2021 10-Q

Quarterly Report - FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED April 3, 2021 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 000

May 4, 2021 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 4, 2021 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 4, 2021 EX-99.1

LATTICE SEMICONDUCTOR REPORTS First QUARTER 2021 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Bob Nelson Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 408-826-6339 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS First QUARTER 2021 RESULTS ? Revenue Increases 19% Compared to Q1 2020 and 8% compared to Q4 2020 ? Gross Margin Expands to 61.0% / 61.7% for Q1

April 22, 2021 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy State

March 25, 2021 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy State

March 25, 2021 DEF 14A

- DEF 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defi

February 26, 2021 S-8

- FORM S-8

As filed with the Securities and Exchange Commission on February 26, 2021 Registration No.

February 26, 2021 EX-10.9

Lattice Semiconductor Corporation 2020 Cash Incentive Plan (incorporated by reference to Exhibit 10.9 filed with the Company’s Annual Report on Form 10-K filed on February 26, 2021).

Exhibit 10.9 LATTICE SEMICONDUCTOR CORPORATION 2020 Cash Incentive Plan Summary Purpose The Lattice Cash Incentive Plan (the ?Plan?) directly supports the achievement of business objectives while rewarding individual contribution. Employees will be compensated both for achievement of specific financial measures derived from the Company?s annual operating plan and corporate performance measured by

February 26, 2021 10-K

Annual Report - FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED January 2, 2021 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: 000-1803

February 26, 2021 EX-21.1

Subsidiaries of the Registrant.

Exhibit 21.1 LATTICE SEMICONDUCTOR CORPORATION SUBSIDIARIES OF THE REGISTRANT Name Jurisdiction of Incorporation 1. Lattice Semiconductor Limited Bermuda 2. Lattice Semiconductor (Shanghai) Co. Ltd. China 3. Lattice Semiconducteurs SARL France 4. Lattice Semiconductor GmbH Germany 5. Lattice Semiconductor (India) Pvt. Ltd. India 6. Lattice Semiconductor SRL Italy 7. Lattice Semiconductor Japan KK

February 26, 2021 EX-10.5

Lattice Semiconductor Corporation 2013 Incentive Plan, as amended and restated.

Exhibit 10.5 LATTICE SEMICONDUCTOR CORPORATION 2013 INCENTIVE PLAN (as amended May 5, 2020) SECTION 1. PURPOSE The purpose of the Lattice Semiconductor Corporation 2013 Incentive Plan is to attract, retain and motivate employees, officers, directors, consultants, agents, advisors and independent contractors of the Company and its Related Companies by providing them the opportunity to acquire a pro

February 23, 2021 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 19, 2021 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

February 23, 2021 EX-99.1

LATTICE SEMICONDUCTOR ANNOUNCES STOCK REPURCHASE PROGRAM

Exhibit 99.1 CONTACTS MEDIA: INVESTORS: Bob Nelson Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 408-826-6339 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR ANNOUNCES STOCK REPURCHASE PROGRAM HILLSBORO, OR - February 23, 2021 - Lattice Semiconductor Corporation (NASDAQ: LSCC), the low power programmable leader, today anno

February 16, 2021 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 16, 2021 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

February 16, 2021 EX-99.1

LATTICE SEMICONDUCTOR REPORTS fourth QUARTER AND FULL YEAR 2020 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Bob Nelson Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 408-826-6339 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS fourth QUARTER AND FULL YEAR 2020 RESULTS • Revenue Growth of 6.9% in 4Q 2020 Compared to 4Q 2019 • Gross Margin Expands to 60.5% / 61.6% in 4Q 2

February 10, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)* Name of issuer: Lattice Semiconductor Corp. Title of Class of Securities: Common Stock CUSIP Number: 518415104 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is

February 8, 2021 SC 13G/A

SCHEDULE 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Lattice Semiconductor Corp (Name of Issuer) Common Stock (Title of Class of Securities) 518415104 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which

February 4, 2021 SC 13G/A

SCHEDULE 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Lattice Semiconductor Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 518415104 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to

October 29, 2020 10-Q

Quarterly Report - FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED September 26, 2020 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 numbe

October 27, 2020 EX-99.1

LATTICE SEMICONDUCTOR REPORTS Third QUARTER 2020 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Bob Nelson Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 408-826-6339 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS Third QUARTER 2020 RESULTS • Operating Profit Increases to 12.4% / 26.5% for Q3 2020 on a GAAP / Non-GAAP Basis, Compared to 12.4% / 24.9%, respe

October 27, 2020 8-K

Results of Operations and Financial Condition - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 27, 2020 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

July 30, 2020 10-Q

Quarterly Report - FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED June 27, 2020 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 000

July 28, 2020 EX-99.1

LATTICE SEMICONDUCTOR REPORTS Second QUARTER 2020 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Bob Nelson Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 408-826-6339 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS Second QUARTER 2020 RESULTS • Revenue Grows 3% Sequentially in Q2 2020 Driven by Strong Demand in Communications and Computing • Gross Margin Exp

July 28, 2020 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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) July 28, 2020 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

June 1, 2020 EX-1.01

Conflict Minerals Report

EX-1.01 2 lsccexhibit1012019formsd.htm EXHIBIT 1.01 Conflict Minerals Report This Conflict Minerals Report for Lattice Semiconductor Corporation is prepared pursuant to Rule 13p-1 under the Securities Exchange Act of 1934 for the reporting period that ended December 31, 2019. Lattice Semiconductor Corporation (collectively with its subsidiaries, “Lattice,” “we,” or “our”) designs, develops and mar

June 1, 2020 SD

- SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM SD Specialized Disclosure Report Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 11, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 5, 2020 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 8, 2020 8-K

Changes in Registrant's Certifying Accountant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 5, 2020 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 8, 2020 EX-16.1

Letter from KPMG LLP dated May 8, 2020 (Incorporated by reference to Exhibit 16.1 of the Company’s Current Report on Form 8-K filed on May 8, 2020).

Exhibit 16.1 KPMG LLP Suite 3800 1300 South West Fifth Avenue Portland, OR 97201 May 8, 2020 Securities and Exchange Commission Washington, D.C. 20549 Ladies and Gentlemen: We were previously principal accountants for Lattice Semiconductor Corporation (the Company) and, under the date of February 24, 2020, we reported on the consolidated financial statements of Lattice Semiconductor Corporation as

April 30, 2020 10-Q

Quarterly Report - FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED March 28, 2020 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 00

April 28, 2020 EX-99.1

LATTICE SEMICONDUCTOR REPORTS First QUARTER 2020 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Bob Nelson Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 408-826-6339 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS First QUARTER 2020 RESULTS • Gross Margin Expands to 59.1% / 59.8% for Q1 2020 on a GAAP / Non-GAAP Basis, from 58.8% / 58.6%, respectively, for

April 28, 2020 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 28, 2020 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

April 17, 2020 EX-99.1

LATTICE SEMICONDUCTOR ANNOUNCES CHANGE OF ANNUAL MEETING OF STOCKHOLDERS TO VIRTUAL WEBCAST

EX-99.1 Exhibit 99.1 NEWS RELEASE For more information contact: MEDIA CONTACT: Bob Nelson Lattice Semiconductor Corporation 408-826-6339 [email protected] INVESTOR CONTACT: Rick Muscha Lattice Semiconductor Corporation 408-826-6000 [email protected] LATTICE SEMICONDUCTOR ANNOUNCES CHANGE OF ANNUAL MEETING OF STOCKHOLDERS TO VIRTUAL WEBCAST HILLSBORO, OR – April 17, 2020—Lattice

April 17, 2020 DEFA14A

LSCC / Lattice Semiconductor Corp. DEFA14A - - DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Pro

April 17, 2020 8-K

Financial Statements and Exhibits, Other Events

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2020 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

April 2, 2020 DEFR14A

LSCC / Lattice Semiconductor Corp. DEFR14A - - DEFR14A

DEFR14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)

March 23, 2020 DEF 14A

Lattice Semiconductor Corporation 2013 Incentive Plan, as amended and restated (incorporated by reference to Annex A of the Company’s Definitive Proxy Statement filed with the Securities and Exchange Commission on March 23, 2020).

Definitive Proxy Statement UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 23, 2020 DEFA14A

LSCC / Lattice Semiconductor Corp. DEFA14A - - DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

February 24, 2020 EX-10.23

Amended Employment Agreement, by and between Lattice Semiconductor Corporation and James R. Anderson, effective February 21, 2020. (Incorporated by reference to Exhibit 10.23 of the Company’s Annual Report on Form 10-K filed on February 24, 2020).

Exhibit 10.23 Employment Agreement This Employment Agreement (the “Agreement”) is entered into by and between James R. Anderson (the “Executive”) and LATTICE SEMICONDUCTOR CORPORATION, a Delaware corporation (the “Company”) as of February 21, 2020 (the “Effective Date”) and amends and restates that certain Employment Agreement between Executive and the Company dated August 20, 2018. 1.Duties and S

February 24, 2020 EX-4.1

Description of Securities (Incorporated by reference to Exhibit 4.1 filed with the Company’s Annual Report on Form 10-K for the fiscal year ended December 28, 2019).

EX-4.1 2 lsccex-41201910xk.htm EXHIBIT 4.1 Exhibit 4.1 DESCRIPTION OF SECURITIES References to “Lattice” and the “Company” herein are, unless the context otherwise indicates, only to Lattice Semiconductor Corporation and not to any of its subsidiaries. Description of Capital Stock The following is a summary of the Company’s capital stock and certain provisions of its Restated Certificate of Incorp

February 24, 2020 EX-99.1

Lattice Semiconductor Announces Stock Repurchase Program

EX-99.1 2 lsccex-991prstockrepurchas.htm EXHIBIT 99.1 Exhibit 99.1 CONTACTS MEDIA CONTACT: INVESTOR CONTACT: Bob Nelson Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 408-826-6339 408-826-6000 [email protected] [email protected] Lattice Semiconductor Announces Stock Repurchase Program HILLSBORO, OR - February 24, 2020 - Lattice Semiconductor (NAS

February 24, 2020 EX-10.24

Form of Amended Employment Agreement (Incorporated by reference to Exhibit 10.24 of the Company’s Annual Report on Form 10-K filed on February 24, 2020).

Exhibit 10.24 Employment Agreement This Employment Agreement (the “Agreement”) is entered into by and between (the “Executive”) and LATTICE SEMICONDUCTOR CORPORATION, a Delaware corporation (the “Company”) as of , 20(the “Effective Date”) and amends and restates that certain Employment Agreement between Executive and the Company effective as of . 1.Duties and Scope of Employment (a)Position. For t

February 24, 2020 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 24, 2020 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

February 24, 2020 EX-21.1

Subsidiaries of the Registrant.

Exhibit 21.1 LATTICE SEMICONDUCTOR CORPORATION SUBSIDIARIES OF THE REGISTRANT Name Jurisdiction of Incorporation 1. Lattice Semiconductor Limited Bermuda 2. Lattice Semiconductor (Shanghai) Co. Ltd. China 3. Lattice Semiconducteurs SARL France 4. Lattice Semiconductor GmbH Germany 5. Lattice Semiconductor (India) Pvt. Ltd. India 6. Lattice Semiconductor SRL Italy 7. Lattice Semiconductor Japan KK

February 24, 2020 EX-10.14

Lattice Semiconductor Corporation 2019 Cash Incentive Plan (incorporated by reference to Exhibit 10.14 filed with the Company’s Annual Report on Form 10-K filed on February 24, 2020).

EX-10.14 3 lsccex-1014201910xk.htm EXHIBIT 10.14 Exhibit 10.14 LATTICE SEMICONDUCTOR CORPORATION 2019 Cash Incentive Plan Summary Purpose The Lattice Cash Incentive Plan (the “Plan”) directly supports the achievement of business objectives while rewarding individual contribution. Employees will be compensated both for achievement of specific financial measures derived from the Company’s annual ope

February 24, 2020 10-K

Annual Report - 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 28, 2019 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: 000-18

February 18, 2020 SC 13G

LSCC / Lattice Semiconductor Corp. / ALLIANCEBERNSTEIN L.P. - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Lattice Semiconductor Corp (Name of Issuer) Common Stock (Title of Class of Securities) 518415104 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which th

February 12, 2020 SC 13G/A

LSCC / Lattice Semiconductor Corp. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)* Name of issuer: Lattice Semiconductor Corp Title of Class of Securities: Common Stock CUSIP Number: 518415104 Date of Event Which Requires Filing of this Statement: December 31, 2019 Check the appropriate box to designate the rule pursuant to which this Schedule is

February 11, 2020 EX-99.1

LATTICE SEMICONDUCTOR REPORTS FOURTH QUARTER AND FULL YEAR 2019 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Bob Nelson Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 408-826-6339 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS FOURTH QUARTER AND FULL YEAR 2019 RESULTS • Gross Margin Expands to 59.2% for 4Q 2019 on a GAAP Basis and 59.6% on a Non-GAAP Basis from 56.6% an

February 11, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 11, 2020 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

January 28, 2020 SC 13G

LSCC / Lattice Semiconductor Corp. / Wellington Management Group LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Lattice Semiconductor Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 518415104 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to w

December 31, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 27, 2019 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

December 10, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 10, 2019 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

December 10, 2019 EX-99.1

Exhibit 99.1 THE LOW POWER LEADER 1 - NASDAQ: LSCC Safe Harbor Forward Looking Statements We may make projections or other forward-looking statements regarding future events during our presentation today. We caution you that such statements are predi

lsccex991nexuslaunch Exhibit 99.1 THE LOW POWER LEADER 1 - NASDAQ: LSCC Safe Harbor Forward Looking Statements We may make projections or other forward-looking statements regarding future events during our presentation today. We caution you that such statements are predictions based on information that is currently available and that actual results may differ materially. We refer you to the docume

November 5, 2019 EX-99.1

Lattice Semiconductor Announces Appointment of Anjali Joshi to Board of Directors

Exhibit 99.1 CONTACTS MEDIA CONTACT: INVESTOR CONTACT: Bob Nelson Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 408-826-6339 408-826-6000 [email protected] [email protected] Lattice Semiconductor Announces Appointment of Anjali Joshi to Board of Directors HILLSBORO, OR - November 5, 2019 - Lattice Semiconductor (NASDAQ: LSCC), the low power prog

November 5, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2019 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

October 31, 2019 10-Q

LSCC / Lattice Semiconductor Corp. 10-Q - Quarterly Report - 10-Q - LSCC 2019 Q3

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 28, 2019 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 n

October 29, 2019 EX-99.1

LATTICE SEMICONDUCTOR REPORTS THIRD QUARTER 2019 RESULTS

Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Bob Nelson Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 408-826-6339 408-826-6000 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS THIRD QUARTER 2019 RESULTS • Gross Margin Expands Year-Over-Year to 59.4% on a GAAP Basis and 59.8% on a Non-GAAP Basis from 57.5% and 57.4%, res

October 29, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 29, 2019 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

August 2, 2019 10-Q

LSCC / Lattice Semiconductor Corp. 10-Q - Quarterly Report - 10-Q - LSCC 2019 Q2

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 29, 2019 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

July 30, 2019 EX-99.1

LATTICE SEMICONDUCTOR REPORTS SECOND QUARTER 2019 RESULTS

EX-99.1 2 lscc2019q2ex-991earningsre.htm EXHIBIT 99.1 Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Lattice Semiconductor Corporation Global IR Partners Doug Hunter, 503.268.8512 David Pasquale, 914.337.8801 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS SECOND QUARTER 2019 RESULTS • Revenue Growth of 4.3% Sequentially from Q1 '19 to Q2 '19 • Gross Margi

July 30, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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) July 30, 2019 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

July 22, 2019 SC 13D/A

LSCC / Lattice Semiconductor Corp. / Lion Point Capital, LP - AMENDMENT NO. 2 TO THE SCHEDULE 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) (Amendment No. 2)1 Lattice Semiconductor Corporation (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 518415104 (CUSIP Number) ANDR

June 25, 2019 EX-99.1

Lattice Semiconductor Corporation 2013 Incentive Plan. (Incorporated by reference to Exhibit 99.1 filed with the Company’s Registration Statement on Form S-8 filed June 25, 2019).

EX-99.1 EXHIBIT 99.1 LATTICE SEMICONDUCTOR CORPORATION 2013 INCENTIVE PLAN SECTION 1. PURPOSE The purpose of the Lattice Semiconductor Corporation 2013 Incentive Plan is to attract, retain and motivate employees, officers, directors, consultants, agents, advisors and independent contractors of the Company and its Related Companies by providing them the opportunity to acquire a proprietary interest

June 25, 2019 S-8

LSCC / Lattice Semiconductor Corp. S-8 - - S-8

S-8 As filed with the Securities and Exchange Commission on June 25, 2019 Registration No.

June 25, 2019 EX-99.2

Lattice Semiconductor Corporation 2011 Non-Employee Director Equity Incentive Plan. (Incorporated by reference to Exhibit 99.2 filed with the Company’s Registration Statement on Form S-8 filed June 25, 2019).

EXHIBIT 99.2 LATTICE SEMICONDUCTOR CORPORATION 2011 NON-EMPLOYEE DIRECTOR EQUITY INCENTIVE PLAN SECTION 1. PURPOSE The purpose of the Lattice Semiconductor Corporation 2011 Non-Employee Director Equity Incentive Plan is to attract, retain and motivate directors of the Company by providing them the opportunity to acquire a proprietary interest in the Company and to align their interests and efforts

May 31, 2019 SD

LSCC / Lattice Semiconductor Corp. SD - - SD

SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM SD Specialized Disclosure Report Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 31, 2019 EX-1.01

Conflict Minerals Report

EX-1.01 2 d721580dex101.htm EX-1.01 Exhibit 1.01 Conflict Minerals Report This Conflict Minerals Report for Lattice Semiconductor Corporation is prepared pursuant to Rule 13p-1 under the Securities Exchange Act of 1934 (“Rule 13p-1”) for the reporting period that ended December 31, 2018. Lattice Semiconductor Corporation (collectively with its subsidiaries “Lattice,” “we,” or “our”) designs, devel

May 20, 2019 EX-10.1

Credit Agreement by and among Lattice Semiconductor Corporation, as borrower, the lenders from time to time party thereto and Wells Fargo Bank, National Association, as administrative agent. (Incorporated by reference to Exhibit 10.1 filed with the Company's Current Report on Form 8-K filed May 20, 2019).

EX-10.1 2 d746704dex101.htm EX-10.1 Exhibit 10.1 EXECUTION VERSION Published CUSIP Number: 51841LAC3 Revolving Credit CUSIP Number: 51841LAD1 Term Loan CUSIP Number: 51841LAE9 $250,000,000 CREDIT AGREEMENT dated as of May 17, 2019, by and among LATTICE SEMICONDUCTOR CORPORATION, as Borrower, the Lenders referred to herein, as Lenders, and WELLS FARGO BANK, NATIONAL ASSOCIATION, as Administrative A

May 20, 2019 8-K

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 17, 2019 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 20, 2019 EX-99.1

Safe Harbor This presentation contains forward-looking statements that involve estimates, assumptions, risks and uncertainties, including statements relating to our expectations about the growth of our end markets, our belief that we will launch new

EX-99.1 Exhibit 99.1 The Low Power Programmable Leader 2019 FINANCIAL ANALYST DAY NEW YORK NASDAQ: LSCC 1 -Exhibit 99.1 The Low Power Programmable Leader 2019 FINANCIAL ANALYST DAY NEW YORK NASDAQ: LSCC 1 - Safe Harbor This presentation contains forward-looking statements that involve estimates, assumptions, risks and uncertainties, including statements relating to our expectations about the growt

May 20, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 20, 2019 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 9, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Submission of Matters to a Vote of Security Holders

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 3, 2019 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 3, 2019 10-Q

Quarterly Report on Form 10-Q for the fiscal quarter ended March 30, 2019, filed on May 3, 2019

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 30, 2019 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 numbe

April 30, 2019 EX-99.1

LATTICE SEMICONDUCTOR REPORTS FIRST QUARTER 2019 RESULTS

EX-99.1 2 lscc2019q1ex-991earningsre.htm EXHIBIT 99.1 Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Lattice Semiconductor Corporation Global IR Partners Doug Hunter, 503.268.8512 David Pasquale, 914.337.8801 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS FIRST QUARTER 2019 RESULTS • Revenue Growth of 2.2% Sequentially • Gross Margin Expansion from Q4’18

April 30, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 30, 2019 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

April 26, 2019 DEFA14A

LSCC / Lattice Semiconductor Corp. DEFA14A DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Pro

April 8, 2019 SC 13G/A

LSCC / Lattice Semiconductor Corp. / VANGUARD GROUP INC Passive Investment

latticesemiconductorcorp.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 9 )* Name of issuer: Lattice Semiconductor Corp Title of Class of Securities: Common Stock CUSIP Number: 518415104 Date of Event Which Requires Filing of this Statement: March 29, 2019 Check the app

March 28, 2019 DEFA14A

LSCC / Lattice Semiconductor Corp. DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Pro

March 22, 2019 DEFA14A

LSCC / Lattice Semiconductor Corp. DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 22, 2019 DEF 14A

detailed summary of the Amended Director Plan

DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 11, 2019 SC 13G/A

LSCC / Lattice Semiconductor Corp. / AMERIPRISE FINANCIAL INC - SC 13G/A Passive Investment

SC 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities and Exchange Act of 1934 Amendment #5 Lattice Semiconductor Corp. (Name of Issuer) Common Stock (Title of Class of Securities) 518415104 (CUSIP Number) February 28, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sc

March 11, 2019 EX-99.I

to Schedule 13G

EX-99.I 2 d683553dex99i.htm EX-99.I Exhibit I to Schedule 13G Ameriprise Financial, Inc., a Delaware Corporation, is a parent holding company. The classification and identity of the relevant subsidiaries is as follows: Investment Adviser – Columbia Management Investment Advisers, LLC is an investment adviser registered under section 203 of the Investment Advisers Act of 1940.

March 11, 2019 EX-99.II

to Schedule 13G Joint Filing Agreement

EX-99.II 3 d683553dex99ii.htm EX-99.II Exhibit II to Schedule 13G Joint Filing Agreement The undersigned persons agree and consent to the joint filing on their behalf of this Schedule 13G dated March 11, 2019 in connection with their beneficial ownership of Lattice Semiconductor Corp. Each of Columbia Seligman Communications & Information Fund and Columbia Management Investment Advisers, LLC autho

February 26, 2019 EX-21.1

Subsidiaries of the Registrant.

Exhibit 21.1 LATTICE SEMICONDUCTOR CORPORATION SUBSIDIARIES OF THE REGISTRANT Name Jurisdiction of Incorporation 1. Lattice Semiconductor Limited Bermuda 2. Lattice Semiconductor (Shanghai) Co. Ltd. China 3. Lattice Semiconducteurs SARL France 4. Lattice Semiconductor GmbH Germany 5. Lattice Semiconductor (India) Pvt. Ltd. India 6. Lattice Semiconductor SRL Italy 7. Lattice Semiconductor Japan KK

February 26, 2019 EX-10.13

Lattice Semiconductor Corporation 2018 Cash Incentive Plan (Incorporated by reference to Exhibit 10.13 filed with the Company’s Annual Report on Form 10-K filed on February 26, 2019).

Exhibit 10.13 LATTICE SEMICONDUCTOR CORPORATION 2018 Cash Incentive Plan Summary Purpose The Lattice Cash Incentive Plan (the “Plan”) will encourage and reward strong financial performance and operational results. Employees will be compensated both for achievement of specific financial measures derived from the Company’s annual operating plan and corporate performance measured by the achievement o

February 26, 2019 EX-10.20

Employment Agreement, by and between Lattice Semiconductor Corporation and Esam Elashmawi, dated September 24, 2018 (Incorporated by reference to Exhibit 10.20 filed with the Company’s Annual Report on Form 10-K filed on February 26, 2019.).

EX-10.20 3 lsccex-1020201810xk.htm EXHIBIT 10.20 Exhibit 10.20 Employment Agreement This Employment Agreement (the “Agreement”) is entered into by and between Esam Elashmawi (the “Executive”) and LATTICE SEMICONDUCTOR CORPORATION, a Delaware corporation (the “Company”) as of September 24, 2018 (the “Effective Date”). 1.Duties and Scope of Employment. (a)Position. For the term of his employment und

February 26, 2019 10-K

Annual Report on Form 10-K for the fiscal year ended December 29, 2018, filed on February 26, 2019

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 29, 2018 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: 000-18

February 12, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 12, 2019 Lattice Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-18032 93-0835214 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

February 12, 2019 EX-99.1

LATTICE SEMICONDUCTOR REPORTS FOURTH QUARTER AND FULL YEAR 2018 RESULTS

EX-99.1 2 lscc2018q4ex-991earningsre.htm EXHIBIT 99.1 Exhibit 99.1 NEWS RELEASE CONTACTS MEDIA: INVESTORS: Lattice Semiconductor Corporation Global IR Partners Doug Hunter, 503.268.8512 David Pasquale, 914.337.8801 [email protected] [email protected] LATTICE SEMICONDUCTOR REPORTS FOURTH QUARTER AND FULL YEAR 2018 RESULTS • Fourth Quarter Net Loss Per Share Reduced by $0.01 on a Y

February 12, 2019 SC 13G/A

LSCC / Lattice Semiconductor Corp. / VANGUARD GROUP INC Passive Investment

latticesemiconductorcorp.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 8 )* Name of issuer: Lattice Semiconductor Corp Title of Class of Securities: Common Stock CUSIP Number: 518415104 Date of Event Which Requires Filing of this Statement: December 31, 2018 Check the

January 10, 2019 EX-99.II

to Schedule 13G Joint Filing Agreement

EX-99.II 3 d687780dex99ii.htm EX-99.II Exhibit II to Schedule 13G Joint Filing Agreement The undersigned persons agree and consent to the joint filing on their behalf of this Schedule 13G dated January 10, 2019 in connection with their beneficial ownership of Lattice Semiconductor Corp. Each of Columbia Seligman Communications & Information Fund and Columbia Management Investment Advisers, LLC aut

January 10, 2019 EX-99.I

to Schedule 13G

EX-99.I Exhibit I to Schedule 13G Ameriprise Financial, Inc., a Delaware Corporation, is a parent holding company. The classification and identity of the relevant subsidiaries is as follows: Investment Adviser – Columbia Management Investment Advisers, LLC is an investment adviser registered under section 203 of the Investment Advisers Act of 1940.

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