Equity (Tables)

6 Months Ended

Jun. 30, 2022

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, 2022:

	June 30, 2022
Outstanding stock options		19,995,396
% of outstanding shares on a fully diluted basis		5	%
Outstanding RSUs		15,023,937
% 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, 2022 and 2021:

	For the Six Months Ended June 30,
	2022		2021
Common shares issued for stock option exercises		25,247		810,459
Gross and net proceeds from stock option exercises	$	49,000	$	2,134,000
Common shares issued in settlement of vested RSUs		681,216		1,031,171
Shares retained for settlement of employee tax obligations ─ RSUs		222,634		398,214
Common shares issued in settlement of vested Performance-Based RSUs (1)		—		1,762,244
Shares retained for settlement of employee tax obligations ─ Performance-Based RSUs		—		747,955

Performance-based RSUs vested in connection with the achievement of certain regulatory and sales performance conditions associated with the REDUCE-IT clinical trial and subsequent revenue growth. These performance-based RSUs have fully vested as of August 2021.