AMARIN CORP PLC\UK — Director's Dealing 2024

Feb 9, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMARIN CORP PLC\UK (AMRN)
CIK: 0000897448
Period of Report: 2024-02-01

Reporting Person: Ketchum Steven B (N/A)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-02-01	Restricted Stock Unit	$0.00	A	116000	Acquired		Ordinary Shares (116000)	Direct
2024-02-01	Stock Option (right to buy)	$1.21	A	418000	Acquired	2034-02-01	Ordinary Shares (418000)	Direct

Footnotes

F1: Each RSU represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F2: On February 1, 2024, the Reporting Person was granted 116,000 RSUs under the Plan. These RSUs vest in three equal installments on each of January 31, 2025, January 31, 2026 and January 31, 2027.

F3: Not applicable

F4: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

F5: On February 1, 2024, the Reporting Person was granted an option to purchase 418,000 Ordinary Shares under the Plan. The shares subject to this option shall vest and become exercisable over three years, with 33% to vest on the first anniversary of the grant date and the balance to vest ratably over the subsequent 12 calendar quarters on the last day of each April, July, October and January.