O'Sullivan Patrick J Form 4 AMARIN / Patrick J O'Sullivan ownership change

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

O'Sullivan Patrick J

(Last) (First) (Middle)

C/O AMARIN PHARMA, INC.

1430 ROUTE 206

(Street)

BEDMINSTER NJ 07921

(City) (State) (Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
07/06/2015

4. If Amendment, Date of 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

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

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 Securities Underlying Derivative Security (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: 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	$0.00	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	$0.00	23,144	D
Restricted Stock Units	$0.00(4)	07/06/2015		A		40,500		(5)	(6)	Ordinary Shares(2)	40,500	$0.00	40,500	D
Restricted Stock Units	$0.00(4)	07/06/2015		A		18,000		(7)	(6)	Ordinary Shares(2)	18,000	$0.00	18,000	D

Explanation of Responses:

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.

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