UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of Earliest Event Reported): January 10, 2024

Amarin Corporation plc

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: +353 1 6699 020

Not Applicable

Former name or former address, if changed since last report

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition.

On January 10, 2024, Amarin Corporation plc (the “Company”) issued a press release announcing its preliminary 2023 revenue results and year end cash position, and 2024 priorities (the "Press Release"). A copy of the Press Release is furnished herewith as Exhibit 99.1.

Item 7.01. Regulation FD Disclosure.

The Company will present further details on the matters noted above at the 42nd Annual J.P. Morgan Healthcare Conference on January 10, 2024 at 4:30 p.m. Eastern Time/1:30 Pacific Time, which presentation will be accessible by a live webcast through the Company’s website at https://investor.amarincorp.com/events-and-presentations/events. A copy of the Company’s investor deck, which will be referenced during the Company’s webcast presentation, is furnished herewith as Exhibit 99.2

The information set forth under Item 2.02, Item 7.01, and in the Press Release and the Investor Deck furnished as Exhibit 99.1 and Exhibit 99.2 herewith shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.