AMARIN CORP PLC\UK 10-Q

Item 5. Other Information On September 12, 2023 , Dr. Steven Ketchum , President of R&D and Chief Scientific Officer of the Company, adopted a trading arrangement for the sale of securities of the Company's common stock, or a Rule 10b5-1 Trading Plan, that is intended to satisfy the affirmative defense conditions of Securities Exchange Act Rule 10b5-1(c). Dr. Ketchum's Rule 10b5-1 Trading Plan, which has a plan end date of December 31, 2025 , provides for the sale of up to 1,598,749 shares of common stock pursuant to the terms of the plan. 74 Item 6. Exhibits The following exhibits are incorporated by reference or filed or furnished as part of this report. Exhibit Number Description Incorporated by Reference Herein Form Date 10.1 CEO Employment Agreement between Patrick Holt and Amarin Corporation, plc. dated July 18, 2023 Current Report on Form 8-K filed with the Commission on July 20, 2023, as Exhibit 10.1 July 20, 2023 10.2 Option Award Agreement (attached to Exhibit 10.1) Current Report on Form 8-K filed with the Commission on July 20, 2023, as Exhibit 10.2 July 20, 2023 10.3 Amendment No. 2 to the Amarin Corporation plc 2020 Stock Incentive Plan Current Report on Form 8-K filed with the Commission on July 25, 2023, as Exhibit 10.2 July 25, 2023 31.1 Certification of President and Chief Executive Officer (Principal Executive Officer) pursuant to Section 302 of Sarbanes-Oxley Act of 2002 Filed herewith 31.2 Certification of Senior Vice President and Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer) pursuant to Section 302 of Sarbanes-Oxley Act of 2002 Filed herewith 32.1 Certification of President and Chief Executive Officer (Principal Executive Officer) and Senior Vice President and Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer) pursuant to Section 906 of Sarbanes-Oxley Act of 2002 Filed herewith 101.SCH Inline XBRL Taxonomy Extension Schema Document Filed herewith 101.CAL Inline XBRL Taxonomy Extension Calculation Linkbase Document Filed herewith 101.DEF Inline XBRL Taxonomy Extension Definition Linkbase Document Filed herewith 101.LAB Inline XBRL Taxonomy Extension Label Linkbase Document Filed herewith 101.PRE Inline XBRL Taxonomy Extension Presentation Linkbase Document Filed herewith 104 Cover Page Interactive Data File (formatted as inline XBRL with applicable taxonomy extension information contained in Exhibits 101.*) Filed herewith 75 SIGNA TURE Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. AMARIN CORPORATION PLC By: /s/ Patrick Holt Patrick Holt President and Chief Executive Officer (Principal Executive Officer) (On behalf of the Registrant) Date: November 1, 2023 AMARIN CORPORATION PLC By: /s/ Tom Reilly Tom Reilly Executive Vice President, Chief Financial Officer (Principal Financial and Accounting Officer) (On behalf of the Registrant) Date: November 1, 2023 76