Equity (Tables)

6 Months Ended

Jun. 30, 2023

Equity [Abstract]

Summarizes the Aggregate Number of Stock Options And Restricted Stock Unit

The following table summarizes the aggregate number of stock options and restricted stock units, or RSUs, outstanding under the Amarin Corporation plc 2020 Stock Incentive Plan, or the 2020 Plan, as of June 30, 2023:

	June 30, 2023
Outstanding stock options		16,000,158
% of outstanding shares on a fully-diluted basis		4	%
Outstanding RSUs		14,902,947
% of outstanding shares on a fully-diluted basis		3	%

Summary of Euity Awards Activity

The following table represents equity awards activity during the six months ended June 30, 2023 and 2022:

	Six months ended June 30,
	2023		2022
Common shares issued for stock option exercises		1,238,263		25,247
Gross and net proceeds from stock option exercises	$	1,878,000	$	49,000
Common shares issued in settlement of vested RSUs		3,037,583		681,216
Shares retained for settlement of employee tax obligations ─ RSUs		851,549		222,634
Common shares issued in settlement of vested Performance-based RSUs (1)		277,607		—
Shares retained for settlement of employee tax obligations ─ Performance-based RSUs		120,214		—

(1)Performance-based RSUs vested in connection with the achievement of certain sales performance conditions on February 21, 2023. These performance-based RSUs will vest over a three-year period based on continuous service from the grant date.