Equity

12 Months Ended

Dec. 31, 2025

(8)

Equity

ADSs

On April 11, 2025, the Company effected its ADS Ratio Change on its ADSs from one ADS representing one Ordinary Share to the new ratio of one ADS representing 20 Ordinary Shares.

During the years ended December 31, 2025 and 2024, except as described above, the Company did not engage in any transactions involving its ADSs. Refer to Incentive Equity Awards below for discussions of Ordinary Shares issued as a result of stock option exercises and vesting of RSUs.

Ordinary Shares

During the years ended December 31, 2025 and 2024, other than as described elsewhere in this Annual Report on Form 10-K, including in the Notes to Consolidated Financial Statements, the Company did not engage in any transactions involving its Ordinary Shares. Refer to Incentive Equity Awards below for discussion of Ordinary Shares issued as a result of stock option exercises and the vesting of RSUs. Refer to Note 9—Stock Incentive Plans and Stock Based Compensation for discussion of securities issued under the Company’s employee stock purchase plan.

On January 10, 2024, the Company announced plans to initiate a share repurchase program to purchase up to $50.0 million of the Company's ordinary shares held in the form of ADSs. The Company received shareholder and UK High Court approval of the share repurchase plan in April and May 2024, respectively. The Company has not commenced any share repurchases to date, but will continue to monitor business and market conditions.

Incentive Equity Awards

The Company issues incentive equity awards, including incentive and non-qualified stock options and RSUs, under the Amarin Corporation plc 2020 Stock Incentive Plan, or the 2020 Plan, which is the successor to the Amarin Corporation plc 2011 Stock Incentive Plan, as amended, or the 2011 Plan, and the Amarin Corporation plc 2002 Stock Option Plan, as amended, or the 2002 Plan, and together with the 2020 Plan and 2011 Plan, the Plans. Refer to Note 9—Stock Incentive Plans and Stock Based Compensation for further information regarding the Company’s incentive equity plans and awards.

The following table summarizes the aggregate number of ordinary shares underlying stock options and RSUs outstanding under the 2020 Plan as of December 31, 2025:


	December 31, 2025
Outstanding stock options		25,924,420
% of outstanding shares on a fully diluted basis		6	%
Outstanding RSUs		11,739,800
% of outstanding shares on a fully diluted basis		3	%

The following table represents equity awards activity during the years ended December 31, 2025 and 2024:


	For the Year Ended December 31,
(in thousands, except share amounts)	2025		2024
Ordinary shares issued for stock option exercises		—		9,500
Gross and net proceeds from stock option exercises	$	—	$	10
Ordinary shares issued in settlement of vested RSUs		7,333,179		3,351,960
Ordinary Shares retained for settlement of employee tax obligations ─ RSUs		3,045,250		1,009,154
Ordinary shares issued in settlement of vested Performance-Based RSUs (1)		257,500		497,397
Ordinary Shares retained for settlement of employee tax obligations ─ Performance-Based RSUs		117,898		345,693

(1)

Performance-based RSUs vested in connection with the achievement of certain performance conditions. These performance-based RSUs will primarily vest over a three-year period based on continuous service from the grant date.

During the year ended December 31, 2025, the Company granted RSUs for a total of 11,345,699 Ordinary Shares and stock options for a total of 3,313,059 Ordinary Shares to employees under the 2020 Plan. The RSUs and stock options primarily vest 50% on both January 1, 2026 and July 1, 2026, respectively.

During the year ended December 31, 2024, the Company granted RSUs for a total of 7,445,700 Ordinary Shares and stock options for a total of 2,662,000 Ordinary Shares to employees under the 2020 Plan. The RSUs typically vest annually over a three-year period and the stock options typically vest quarterly over a four-year period.

In addition to the grants noted above, in June 2025, the Company granted to Aaron Berg (i) RSUs for 1,500,000 Ordinary Shares that vested upon the date of the grant and (ii) stock options and RSUs of 750,000 and 250,000 Ordinary Shares that vest 50% on both June 26, 2026 and December 26, 2026, respectively. In July 2024, the Company granted stock options for 5,000,000 Ordinary Shares to Aaron Berg in connection with his appointment as President and Chief Executive Officer, which will vest upon achievement of specified stock price conditions for the Company.

During the years ended December 31, 2025 and 2024, the Company granted stock options nil and 1,438,360 Ordinary Shares, respectively, and RSUs of nil and 492,296 Ordinary Shares, respectively, to members of the Company’s Board of Directors under the 2020 Plan. The RSUs vest in equal installments over a three-year period upon the earlier of the anniversary of the grant date or the Company’s annual general meeting of shareholders in such anniversary year. The stock options vest quarterly over a four-year period with a one-year cliff vesting. Upon termination of service to the Company or upon a change of control, each director shall be entitled to a payment equal to the fair market value of one Amarin Ordinary Shares per award vested or granted, respectively, which is required to be made in Ordinary Shares.

- Definition

The entire disclosure for equity.

+ References

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+ Details

AMARIN CORP PLC\UK 10-K