AMARIN CORP PLC\UK — Director's Dealing 2025

Jan 31, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMARIN CORP PLC\UK (AMRN)
CIK: 0000897448
Period of Report: 2025-01-31

Reporting Person: Fishman Peter L. (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-01-31	Ordinary Shares	M	8400	—	Acquired	56562	Direct
2025-01-31	Ordinary Shares	F	4665	$0.62	Disposed	51897	Direct
2025-01-31	Ordinary Shares	M	11267	—	Acquired	63164	Direct
2025-01-31	Ordinary Shares	F	6258	$0.62	Disposed	56906	Direct
2025-01-31	Ordinary Shares	M	36667	—	Acquired	93573	Direct
2025-01-31	Ordinary Shares	F	20189	$0.62	Disposed	73384	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-01-31	Restricted Stock Unit	$0	M	8400	Acquired		Ordinary Shares (8400)	Direct
2025-01-31	Restricted Stock Unit	$0	M	11267	Acquired		Ordinary Shares (11267)	Direct
2025-01-31	Restricted Stock Unit	$0	M	36667	Acquired		Ordinary Shares (36667)	Direct

Footnotes

F1: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

F2: On February 4, 2022, the Reporting Person was granted 25,200 RSUs under the Amarin Corporation plc 2011 Stock Incentive Plan (the "Plan"). These RSUs vest in three equal installments on each of January 31, 2023, January 31, 2024, and January 31, 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: Grant price is set at the higher of (1) our nominal par value of 50 pence per share, or as converted on date of grant of $0.62 per share, for which our Plan dictates under United Kingdom law, or (2) fair market value of stock price on the NASDAQ at close of business day.

F6: On February 1, 2023, the Reporting Person was granted 33,800 RSUs under the Amarin Corporation plc 2011 Stock Incentive Plan (the "Plan"). These RSUs vest in three equal installments on each of January 31, 2024, January 31, 2025, and January 31, 2026.

F7: On February 1, 2024, the Reporting Person was granted 110,000 RSUs under the Amarin Corporation plc 2011 Stock Incentive Plan (the "Plan"). These RSUs vest in three equal installments on each of January 31, 2025, January 31, 2026, and January 31, 2027.

F8: Each RSU represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.