Aaron Berg - 26 Jun 2025 Form 4 Insider Report for AMARIN CORP PLC\UK (AMRN)

Role: President and CEO
Signature: /s/ Jonathan Provoost, by power of attorney
Issuer symbol: AMRN
Transactions as of: 26 Jun 2025
Net transactions value: -$609,972
Form type: 4
Filing time: 30 Jun 2025, 21:30:04 UTC
Previous filing: 31 Jan 2025
Next filing: 03 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Berg Aaron	President and CEO	C/O AMARIN PHARMA, INC., 440 US HIGHWAY 22, BRIDGEWATER	/s/ Jonathan Provoost, by power of attorney	30 Jun 2025	0001770259

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AMRN	American Depositary Share	Options Exercise		+75,000	+170%		119,077	26 Jun 2025	Direct	F1, F2, F3
transaction	AMRN	American Depositary Share	Tax liability	$609,972	-38,363	-32%	$15.90	80,714	26 Jun 2025	Direct	F1, F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	AMRN	Stock Option (Right to Buy)	Award	$0	+37,500		$0.000000	37,500	26 Jun 2025	American Depositary Shares	37,500	$15.90	Direct	F1, F5
transaction	AMRN	Restricted Stock Unit	Award	$0	+75,000		$0.000000	0	26 Jun 2025	American Depositary Shares	75,000	$0.000000	Direct	F1, F2, F3, F6, F7
transaction	AMRN	Restricted Stock Unit	Award	$0	+12,500		$0.000000	12,500	26 Jun 2025	American Depositary Shares	12,500	$0.000000	Direct	F1, F3, F6, F8

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Effective April 11, 2025, the Issuer implemented a ratio change that one (1) American Depositary Share ("ADS") currently represents twenty (20) Ordinary Shares ("ADS Ratio Change"). Proportionate adjustments were made to the Issuer's outstanding equity awards. The amount of securities reported on this Form 4 reflect the ADS Ratio Change.
F2	On June 26, 2025 the Reporting Person was granted 75,000 RSUs that vested as of the June 26, 2025.
F3	Not applicable.
F4	Represents withholding by the Issuer of shares in respect of tax liability incident to the vesting of a security issued in accordance with Rule 16b-3, and not a market sale of securities.
F5	On June 26, 2025 the Reporting Person was granted an option to purchase 37,500 American Depositary Shares ("ADS") under the Plan. The shares subject to this option shall vest and become exercisable over eighteen months, with 50% to vest on the first anniversary of the grant date and the remaining balance to vest eighteen months after grant date.
F6	Each RSU represents a contingent right to receive twenty Ordinary Shares or cash in lieu thereof at the Issuer's discretion.
F7	Additionally, award was exercise or conversion of derivative security exempted pursuant to Rule 16b-3.
F8	On June 26, 2025, the Reporting Person was granted 12,500 RSUs that vests in two equal installments on the first anniversary of the grant date and the remaining balance to vest eighteen months after grant date.