Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
STACK DAVID M
  2. Issuer Name and Ticker or Trading Symbol
AMARIN CORP PLC\UK [AMRN]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O AMARIN PHARMA, INC., 1430 ROUTE 206
3. Date of Earliest Transaction (Month/Day/Year)
07/06/2015
(Street)

BEDMINSTER, NJ 07921
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (right to buy) $ 2.5 07/06/2015   A   17,358     (1) 07/06/2025 Ordinary Shares (2) 17,358 $ 0 17,358 D  
Stock Option (right to buy) $ 2.5 07/06/2015   A   23,144     (3) 07/06/2025 Ordinary Shares (2) 23,144 $ 0 23,144 D  
Restricted Stock Units $ 0 (4) 07/06/2015   A   40,500     (5)   (6) Ordinary Shares (2) 40,500 $ 0 40,500 D  
Restricted Stock Units $ 0 (4) 07/06/2015   A   18,000     (7)   (6) Ordinary Shares (2) 18,000 $ 0 18,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
STACK DAVID M
C/O AMARIN PHARMA, INC.
1430 ROUTE 206
BEDMINSTER, NJ 07921
  X      

Signatures

 /s/ Michael Farrell, by power of attorney   07/08/2015
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) On July 6, 2015, the Reporting Person was granted an option to purchase 17,358 Ordinary Shares under the Amarin Corporation plc 2011 Stock Incentive Plan (the "Plan"). The shares subject to this option shall vest and become exercisable in equal annual installments over a three-year period, with each installment vesting upon the earlier of (i) the anniversary of the grant date of July 6, 2015 or (ii) the Issuer's annual general meeting of shareholders in such year.
(2) The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.
(3) On July 6, 2015, the Reporting Person was granted an option to purchase 23,144 Ordinary Shares under the Plan. The shares subject to this option shall vest and become exercisable in full upon the earlier of (i) the one-year anniversary of the grant date of July 6, 2015 or (ii) the Issuer's next annual general meeting of shareholders.
(4) Each Restricted Stock Unit ("RSU") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion, with settlement to be made on a deferred basis, specifically upon the non-employee director's separation of service with the Issuer.
(5) On July 6, 2015, the Reporting Person was granted 40,500 RSUs under the Plan. The RSUs vest in equal annual installments over a three-year period, with each installment vesting upon the earlier of (i) the anniversary of the grant date of July 6, 2015 or (ii) the Issuer's annual general meeting of shareholders in such year.
(6) Not applicable.
(7) On July 6, 2015, the Reporting Person was granted 18,000 RSUs under the Plan. The RSUs vest in full upon the earlier of (i) the one-year anniversary of the grant date of July 6, 2015 or (ii) the Issuer's 2016 annual general meeting of shareholders.
 
Remarks:
Each of the grants described in this Form 4 was previously disclosed in the Issuer's Definitive Proxy Statement on Schedule 14A filed with the Securities and Exchange Commission on April 24, 2015.

In the event of a Change of Control (as defined in the Plan), each of the grants described in this Form 4 vests in full.

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