Form 6-K





Washington, D.C. 20549


Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16

under the Securities Exchange Act of 1934

For the month of October, 2010.

Commission File Number 0-21392


(Translation of registrant’s name into English)

First Floor, Block 3, The Oval, Shelbourne Road, Ballsbridge, Dublin 4, Ireland

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F x                    Form 40-F ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

Yes ¨                     No x

Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K if submitted solely to provide an attached annual report to security holders.

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):

Yes ¨                    No x

Note: Regulation S-T Rule 101(b)(7) only permits the submission in paper of a Form 6-K if submitted to furnish a report or other document that the registrant foreign private issuer must furnish and make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled or legally organized (the registrant’s “home country”), or under the rules of the home country exchange on which the registrant’s securities are traded, as long as the report or other document is not a press release, is not required to be and has not been distributed to the registrant’s security holders, and, if discussing a material event, has already been the subject of a Form 6-K submission or other Commission filing on EDGAR.

Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes ¨                    No x

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-                            .




This report on Form 6-K is hereby incorporated by reference into the registration statements of Amarin Corporation plc and in the prospectus contained therein, and this report on Form 6-K shall be deemed a part of each such registration statement from the date on which this report is filed, to the extent not superseded by documents or reports subsequently filed or furnished by Amarin Corporation plc under the Securities Act of 1933 or the Securities Exchange Act of 1934.




After 10 years of service with the Company, Mr. Thomas Lynch is resigning from the Company’s Board of Directors, effective October 18, 2010. His tenure with the Company included serving as Chairman and Chief Executive Officer and more recently overseeing the financing of AMR101’s Phase 3 clinical trials. In connection with these financing events, the Company re-focused its efforts on developing improved treatments for cardiovascular disease and certain executive functions were consolidated from multiple offices to the Company’s research and development headquarters in the United States. Mr. Lynch’s departure is amicable and he has offered to help the Company if and when needed.




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, thereunto duly authorized.


By:  /s/    John Thero                                

        John Thero

        Chief Financial Officer

Date: October 21, 2010