AMARIN CORP PLC\UK — Director's Dealing 2024

Jan 12, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMARIN CORP PLC\UK (AMRN)
CIK: 0000897448
Period of Report: 2024-01-10

Reporting Person: Reilly Thomas Charles (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-01-10	Ordinary Shares	M	51500	—	Acquired	76875	Direct
2024-01-10	Ordinary Shares	F	28325	$0.97	Disposed	48550	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-01-10	Restricted Stock Unit	$0.00	A	51500	Acquired		Ordinary Shares (51500)	Direct
2024-01-10	Restricted Stock Unit	$	M	51500	Disposed		Ordinary Shares (51500)	Direct

Footnotes

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

F2: On February 21, 2023, the Reporting Person was granted 103,000 RSUs under the Amarin Corporation plc 2020 Stock Incentive Plan, which vest upon achievement of certain performance-based milestones and subject to the Reporting Person's continued service with the Issuer as provided in the RSU Award Agreement between the Issuer and Reporting Person. On January 10, 2024, the first of two performance-based milestones was achieved based on a predetermined formula tied to company cash balance as determined by the Issuer's Remuneration Committee of its Board of Directors, resulting in the vesting of 51,500 RSUs.

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