AMRN

SEC source: 0000950170-23-037295 · ownership.xml · nonDerivative · entry 1

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 545,145

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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

F2 · kind: On August 2, 2021, the Reporting Person was granted 71,650 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2020 Stock Incentive Plan. These RSUs vest in three equal installments on each of July 31, 2022, July 31, 2023 and July 31, 2024.

F3 · price: Not applicable

F4 · balance_after: Includes 10,502 shares purchased under the Issuer's 2017 Employee Stock Purchase Plan on May 31, 2023.

SEC source: 0000950170-23-037291 · ownership.xml · derivative · entry 3

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,883

Underlying: Ordinary Shares · 23,883 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · security: Each RSU represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F2 · derivative.exercise_date: On August 2, 2021, the Reporting Person was granted 71,650 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2020 Stock Incentive Plan. These RSUs vest in three equal installments on each of July 31, 2022, July 31, 2023 and July 31, 2024.

F3 · derivative.expiration_date: Not applicable

SEC source: 0000950170-23-037291 · ownership.xml · nonDerivative · entry 2

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 600,231

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

F4 · kind: 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.

SEC source: 0000950170-23-037291 · ownership.xml · nonDerivative · entry 1

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 611,994

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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

F2 · kind: On August 2, 2021, the Reporting Person was granted 71,650 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2020 Stock Incentive Plan. These RSUs vest in three equal installments on each of July 31, 2022, July 31, 2023 and July 31, 2024.

F3 · price: Not applicable

SEC source: 0000950170-24-089391 · ownership.xml · derivative · entry 3

Berg Aaron · CIK 0001770259 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 23,883 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · security: Each RSU represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F2 · derivative.exercise_date: On August 2, 2021, the Reporting Person was granted 71,650 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2020 Stock Incentive Plan. These RSUs vest in three equal installments on each of July 31, 2022, July 31, 2023 and July 31, 2024.

F3 · derivative.expiration_date: Not applicable

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

SEC source: 0000950170-24-089392 · ownership.xml · derivative · entry 3

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 23,883 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · security: Each RSU represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F2 · derivative.exercise_date: On August 2, 2021, the Reporting Person was granted 71,650 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2020 Stock Incentive Plan. These RSUs vest in three equal installments on each of July 31, 2022, July 31, 2023 and July 31, 2024.

F3 · derivative.expiration_date: Not applicable

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

SEC source: 0000950170-23-033912 · ownership.xml · derivative · entry 4

Odysseas Kostas D · CIK 0001483080 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,268

Underlying: Ordinary Shares · 60,268 shares

Expires not disclosed

F4 · security: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F7 · derivative.exercise_date: On July 21, 2023, following the conclusion of the Issuer's annual general meeting of shareholders for 2023, the Reporting Person was granted an award of 60,268 RSUs under the Plan and the Policy. These RSUs vest in full upon the earlier of the one-year anniversary of the grant date and the annual general meeting of shareholders in such anniversary year. The RSUs are subject to deferred settlement upon the director's separation of service with the Issuer.

F6 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033912 · ownership.xml · derivative · entry 3

Odysseas Kostas D · CIK 0001483080 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,866

Underlying: Ordinary Shares · 94,866 shares

Expires not disclosed

F4 · security: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F5 · derivative.exercise_date: In connection with the Reporting Person's initial appointment to the Issuer's board of directors, on July 21, 2023 the Reporting Person was granted a one-time grant of 94,866 RSUs under the Plan and the Policy. These RSUs vest in equal annual installments over three years from the date of the Reporting Person's initial appointment to the Issuer's board of directors. The RSUs are subject to deferred settlement upon the director's separation of service with the Issuer.

F6 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033912 · ownership.xml · derivative · entry 2

Odysseas Kostas D · CIK 0001483080 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,804

Underlying: Ordinary Shares · 180,804 shares

Expires 2033-07-21

F3 · derivative.exercise_date: On July 21, 2023, following the conclusion of the Issuer's annual general meeting of shareholders for 2023, the Reporting Person was granted an option to purchase 180,804 Ordinary Shares under the Plan and the Policy. This option shall vest and become exercisable upon the earlier of the one-year anniversary of the grant date and the annual general meeting of shareholders in such anniversary year.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033912 · ownership.xml · derivative · entry 1

Odysseas Kostas D · CIK 0001483080 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 284,598

Underlying: Ordinary Shares · 284,598 shares

Expires 2033-07-21

F1 · derivative.exercise_date: In connection with the Reporting Person's initial appointment to the Issuer's board of directors, on July 21, 2023 the Reporting Person was granted a one-time option to purchase 284,598 Ordinary Shares under the Amarin Corporation plc 2020 Stock Incentive Plan (the "Plan") and the Non-Employee Director Compensation Policy, as revised in May 2023 (the "Policy"). This option shall vest and become exercisable in equal annual installments over three years from the date of the Reporting Person's initial appointment to the Issuer's board of directors.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033911 · ownership.xml · derivative · entry 4

DiPaolo Mark · CIK 0001669816 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,804

Underlying: Ordinary Shares · 55,804 shares

Expires not disclosed

F4 · security: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F7 · derivative.exercise_date: On July 21, 2023, following the conclusion of the Issuer's annual general meeting of shareholders for 2023, the Reporting Person was granted an award of 55,804 RSUs under the Plan and the Policy. These RSUs vest in full upon the earlier of the one-year anniversary of the grant date and the annual general meeting of shareholders in such anniversary year. The RSUs are subject to deferred settlement upon the director's separation of service with the Issuer.

F6 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033911 · ownership.xml · derivative · entry 3

DiPaolo Mark · CIK 0001669816 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,866

Underlying: Ordinary Shares · 94,866 shares

Expires not disclosed

F4 · security: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F5 · derivative.exercise_date: In connection with the Reporting Person's initial appointment to the Issuer's board of directors, on July 21, 2023 the Reporting Person was granted a one-time grant of 94,866 RSUs under the Plan and the Policy. These RSUs vest in equal annual installments over three years from the date of the Reporting Person's initial appointment to the Issuer's board of directors. The RSUs are subject to deferred settlement upon the director's separation of service with the Issuer.

F6 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033911 · ownership.xml · derivative · entry 2

DiPaolo Mark · CIK 0001669816 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 167,411

Underlying: Ordinary Shares · 167,411 shares

Expires 2033-07-21

F3 · derivative.exercise_date: On July 21, 2023, following the conclusion of the Issuer's annual general meeting of shareholders for 2023, the Reporting Person was granted an option to purchase 167,411 Ordinary Shares under the Plan and the Policy. This option shall vest and become exercisable upon the earlier of the one-year anniversary of the grant date and the annual general meeting of shareholders in such anniversary year.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033911 · ownership.xml · derivative · entry 1

DiPaolo Mark · CIK 0001669816 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 284,598

Underlying: Ordinary Shares · 284,598 shares

Expires 2033-07-21

F1 · derivative.exercise_date: In connection with the Reporting Person's initial appointment to the Issuer's board of directors, on July 21, 2023 the Reporting Person was granted a one-time option to purchase 284,598 Ordinary Shares under the Amarin Corporation plc 2020 Stock Incentive Plan (the "Plan") and the Non-Employee Director Compensation Policy, as revised in May 2023 (the "Policy"). This option shall vest and become exercisable in equal annual installments over three years from the date of the Reporting Person's initial appointment to the Issuer's board of directors.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033909 · ownership.xml · derivative · entry 4

Cohen Paul · CIK 0001968794 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,804

Underlying: Ordinary Shares · 55,804 shares

Expires not disclosed

F4 · security: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F7 · derivative.exercise_date: On July 21, 2023, following the conclusion of the Issuer's annual general meeting of shareholders for 2023, the Reporting Person was granted an award of 55,804 RSUs under the Plan and the Policy. These RSUs vest in full upon the earlier of the one-year anniversary of the grant date and the annual general meeting of shareholders in such anniversary year. The RSUs are subject to deferred settlement upon the director's separation of service with the Issuer.

F6 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033909 · ownership.xml · derivative · entry 3

Cohen Paul · CIK 0001968794 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,866

Underlying: Ordinary Shares · 94,866 shares

Expires not disclosed

F4 · security: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F5 · derivative.exercise_date: In connection with the Reporting Person's initial appointment to the Issuer's board of directors, on July 21, 2023 the Reporting Person was granted a one-time grant of 94,866 RSUs under the Plan and the Policy. These RSUs vest in equal annual installments over three years from the date of the Reporting Person's initial appointment to the Issuer's board of directors. The RSUs are subject to deferred settlement upon the director's separation of service with the Issuer.

F6 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033909 · ownership.xml · derivative · entry 2

Cohen Paul · CIK 0001968794 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 167,411

Underlying: Ordinary Shares · 167,411 shares

Expires 2033-07-21

F3 · derivative.exercise_date: On July 21, 2023, following the conclusion of the Issuer's annual general meeting of shareholders for 2023, the Reporting Person was granted an option to purchase 167,411 Ordinary Shares under the Plan and the Policy. This option shall vest and become exercisable upon the earlier of the one-year anniversary of the grant date and the annual general meeting of shareholders in such anniversary year.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033909 · ownership.xml · derivative · entry 1

Cohen Paul · CIK 0001968794 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 284,598

Underlying: Ordinary Shares · 284,598 shares

Expires 2033-07-21

F1 · derivative.exercise_date: In connection with the Reporting Person's initial appointment to the Issuer's board of directors, on July 21, 2023 the Reporting Person was granted a one-time option to purchase 284,598 Ordinary Shares under the Amarin Corporation plc 2020 Stock Incentive Plan (the "Plan") and the Non-Employee Director Compensation Policy, as revised in May 2023 (the "Policy"). This option shall vest and become exercisable in equal annual installments over three years from the date of the Reporting Person's initial appointment to the Issuer's board of directors.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033908 · ownership.xml · derivative · entry 4

Sterling Louis III · CIK 0001968518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,804

Underlying: Ordinary Shares · 55,804 shares

Expires not disclosed

F4 · security: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F7 · derivative.exercise_date: On July 21, 2023, following the conclusion of the Issuer's annual general meeting of shareholders for 2023, the Reporting Person was granted an award of 55,804 RSUs under the Plan and the Policy. These RSUs vest in full upon the earlier of the one-year anniversary of the grant date and the annual general meeting of shareholders in such anniversary year. The RSUs are subject to deferred settlement upon the director's separation of service with the Issuer.

F6 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033908 · ownership.xml · derivative · entry 3

Sterling Louis III · CIK 0001968518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,866

Underlying: Ordinary Shares · 94,866 shares

Expires not disclosed

F4 · security: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F5 · derivative.exercise_date: In connection with the Reporting Person's initial appointment to the Issuer's board of directors, on July 21, 2023 the Reporting Person was granted a one-time grant of 94,866 RSUs under the Plan and the Policy. These RSUs vest in equal annual installments over three years from the date of the Reporting Person's initial appointment to the Issuer's board of directors. The RSUs are subject to deferred settlement upon the director's separation of service with the Issuer.

F6 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033908 · ownership.xml · derivative · entry 2

Sterling Louis III · CIK 0001968518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 167,411

Underlying: Ordinary Shares · 167,411 shares

Expires 2033-07-21

F3 · derivative.exercise_date: On July 21, 2023, following the conclusion of the Issuer's annual general meeting of shareholders for 2023, the Reporting Person was granted an option to purchase 167,411 Ordinary Shares under the Plan and the Policy. This option shall vest and become exercisable upon the earlier of the one-year anniversary of the grant date and the annual general meeting of shareholders in such anniversary year.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033908 · ownership.xml · derivative · entry 1

Sterling Louis III · CIK 0001968518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 284,598

Underlying: Ordinary Shares · 284,598 shares

Expires 2033-07-21

F1 · derivative.exercise_date: In connection with the Reporting Person's initial appointment to the Issuer's board of directors, on July 21, 2023 the Reporting Person was granted a one-time option to purchase 284,598 Ordinary Shares under the Amarin Corporation plc 2020 Stock Incentive Plan (the "Plan") and the Non-Employee Director Compensation Policy, as revised in May 2023 (the "Policy"). This option shall vest and become exercisable in equal annual installments over three years from the date of the Reporting Person's initial appointment to the Issuer's board of directors.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033906 · ownership.xml · derivative · entry 4

O'Connor Oliver · CIK 0001973902 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,804

Underlying: Ordinary Shares · 55,804 shares

Expires not disclosed

F4 · security: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F7 · derivative.exercise_date: On July 21, 2023, following the conclusion of the Issuer's annual general meeting of shareholders for 2023, the Reporting Person was granted an award of 55,804 RSUs under the Plan and the Policy. These RSUs vest in full upon the earlier of the one-year anniversary of the grant date and the annual general meeting of shareholders in such anniversary year. The RSUs are subject to deferred settlement upon the director's separation of service with the Issuer.

F6 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033906 · ownership.xml · derivative · entry 3

O'Connor Oliver · CIK 0001973902 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,866

Underlying: Ordinary Shares · 94,866 shares

Expires not disclosed

F4 · security: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F5 · derivative.exercise_date: In connection with the Reporting Person's initial appointment to the Issuer's board of directors, on July 21, 2023 the Reporting Person was granted a one-time grant of 94,866 RSUs under the Plan and the Policy. These RSUs vest in equal annual installments over three years from the date of the Reporting Person's initial appointment to the Issuer's board of directors. The RSUs are subject to deferred settlement upon the director's separation of service with the Issuer.

F6 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033906 · ownership.xml · derivative · entry 2

O'Connor Oliver · CIK 0001973902 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 167,411

Underlying: Ordinary Shares · 167,411 shares

Expires 2033-07-21

F3 · derivative.exercise_date: On July 21, 2023, following the conclusion of the Issuer's annual general meeting of shareholders for 2023, the Reporting Person was granted an option to purchase 167,411 Ordinary Shares under the Plan and the Policy. This option shall vest and become exercisable upon the earlier of the one-year anniversary of the grant date and the annual general meeting of shareholders in such anniversary year.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033906 · ownership.xml · derivative · entry 1

O'Connor Oliver · CIK 0001973902 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 284,598

Underlying: Ordinary Shares · 284,598 shares

Expires 2033-07-21

F1 · derivative.exercise_date: In connection with the Reporting Person's initial appointment to the Issuer's board of directors, on July 21, 2023 the Reporting Person was granted a one-time option to purchase 284,598 Ordinary Shares under the Amarin Corporation plc 2020 Stock Incentive Plan (the "Plan") and the Non-Employee Director Compensation Policy, as revised in May 2023 (the "Policy"). This option shall vest and become exercisable in equal annual installments over three years from the date of the Reporting Person's initial appointment to the Issuer's board of directors.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033902 · ownership.xml · derivative · entry 4

Horn Keith · CIK 0001672836 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,804

Underlying: Ordinary Shares · 55,804 shares

Expires not disclosed

F4 · security: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F7 · derivative.exercise_date: On July 21, 2023, following the conclusion of the Issuer's annual general meeting of shareholders for 2023, the Reporting Person was granted an award of 55,804 RSUs under the Plan and the Policy. These RSUs vest in full upon the earlier of the one-year anniversary of the grant date and the annual general meeting of shareholders in such anniversary year. The RSUs are subject to deferred settlement upon the director's separation of service with the Issuer.

F6 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033902 · ownership.xml · derivative · entry 3

Horn Keith · CIK 0001672836 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,866

Underlying: Ordinary Shares · 94,866 shares

Expires not disclosed

F4 · security: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F5 · derivative.exercise_date: In connection with the Reporting Person's initial appointment to the Issuer's board of directors, on July 21, 2023 the Reporting Person was granted a one-time grant of 94,866 RSUs under the Plan and the Policy. These RSUs vest in equal annual installments over three years from the date of the Reporting Person's initial appointment to the Issuer's board of directors. The RSUs are subject to deferred settlement upon the director's separation of service with the Issuer.

F6 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033902 · ownership.xml · derivative · entry 2

Horn Keith · CIK 0001672836 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 167,411

Underlying: Ordinary Shares · 167,411 shares

Expires 2033-07-21

F3 · derivative.exercise_date: On July 21, 2023, following the conclusion of the Issuer's annual general meeting of shareholders for 2023, the Reporting Person was granted an option to purchase 167,411 Ordinary Shares under the Plan and the Policy. This option shall vest and become exercisable upon the earlier of the one-year anniversary of the grant date and the annual general meeting of shareholders in such anniversary year.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033902 · ownership.xml · derivative · entry 1

Horn Keith · CIK 0001672836 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 284,598

Underlying: Ordinary Shares · 284,598 shares

Expires 2033-07-21

F1 · derivative.exercise_date: In connection with the Reporting Person's initial appointment to the Issuer's board of directors, on July 21, 2023 the Reporting Person was granted a one-time option to purchase 284,598 Ordinary Shares under the Amarin Corporation plc 2020 Stock Incentive Plan (the "Plan") and the Non-Employee Director Compensation Policy, as revised in May 2023 (the "Policy"). This option shall vest and become exercisable in equal annual installments over three years from the date of the Reporting Person's initial appointment to the Issuer's board of directors.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033900 · ownership.xml · derivative · entry 4

Bonfiglio Patrice Eadon · CIK 0001823768 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,804

Underlying: Ordinary Shares · 55,804 shares

Expires not disclosed

F4 · security: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F7 · derivative.exercise_date: On July 21, 2023, following the conclusion of the Issuer's annual general meeting of shareholders for 2023, the Reporting Person was granted an award of 55,804 RSUs under the Plan and the Policy. These RSUs vest in full upon the earlier of the one-year anniversary of the grant date and the annual general meeting of shareholders in such anniversary year. The RSUs are subject to deferred settlement upon the director's separation of service with the Issuer.

F6 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033900 · ownership.xml · derivative · entry 3

Bonfiglio Patrice Eadon · CIK 0001823768 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,866

Underlying: Ordinary Shares · 94,866 shares

Expires not disclosed

F4 · security: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F5 · derivative.exercise_date: In connection with the Reporting Person's initial appointment to the Issuer's board of directors, on July 21, 2023 the Reporting Person was granted a one-time grant of 94,866 RSUs under the Plan and the Policy. These RSUs vest in equal annual installments over three years from the date of the Reporting Person's initial appointment to the Issuer's board of directors. The RSUs are subject to deferred settlement upon the director's separation of service with the Issuer.

F6 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033900 · ownership.xml · derivative · entry 2

Bonfiglio Patrice Eadon · CIK 0001823768 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 167,411

Underlying: Ordinary Shares · 167,411 shares

Expires 2033-07-21

F3 · derivative.exercise_date: On July 21, 2023, following the conclusion of the Issuer's annual general meeting of shareholders for 2023, the Reporting Person was granted an option to purchase 167,411 Ordinary Shares under the Plan and the Policy. This option shall vest and become exercisable upon the earlier of the one-year anniversary of the grant date and the annual general meeting of shareholders in such anniversary year.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033900 · ownership.xml · derivative · entry 1

Bonfiglio Patrice Eadon · CIK 0001823768 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 284,598

Underlying: Ordinary Shares · 284,598 shares

Expires 2033-07-21

F1 · derivative.exercise_date: In connection with the Reporting Person's initial appointment to the Issuer's board of directors, on July 21, 2023 the Reporting Person was granted a one-time option to purchase 284,598 Ordinary Shares under the Amarin Corporation plc 2020 Stock Incentive Plan (the "Plan") and the Non-Employee Director Compensation Policy, as revised in May 2023 (the "Policy"). This option shall vest and become exercisable in equal annual installments over three years from the date of the Reporting Person's initial appointment to the Issuer's board of directors.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033899 · ownership.xml · derivative · entry 4

Sullivan Diane E. · CIK 0001968736 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,804

Underlying: Ordinary Shares · 55,804 shares

Expires not disclosed

F4 · security: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F7 · derivative.exercise_date: On July 21, 2023, following the conclusion of the Issuer's annual general meeting of shareholders for 2023, the Reporting Person was granted an award of 55,804 RSUs under the Plan and the Policy. These RSUs vest in full upon the earlier of the one-year anniversary of the grant date and the annual general meeting of shareholders in such anniversary year. The RSUs are subject to deferred settlement upon the director's separation of service with the Issuer.

F6 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033899 · ownership.xml · derivative · entry 3

Sullivan Diane E. · CIK 0001968736 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,866

Underlying: Ordinary Shares · 94,866 shares

Expires not disclosed

F4 · security: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F5 · derivative.exercise_date: In connection with the Reporting Person's initial appointment to the Issuer's board of directors, on July 21, 2023 the Reporting Person was granted a one-time grant of 94,866 RSUs under the Plan and the Policy. These RSUs vest in equal annual installments over three years from the date of the Reporting Person's initial appointment to the Issuer's board of directors. The RSUs are subject to deferred settlement upon the director's separation of service with the Issuer.

F6 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033899 · ownership.xml · derivative · entry 2

Sullivan Diane E. · CIK 0001968736 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 167,411

Underlying: Ordinary Shares · 167,411 shares

Expires 2033-07-21

F3 · derivative.exercise_date: On July 21, 2023, following the conclusion of the Issuer's annual general meeting of shareholders for 2023, the Reporting Person was granted an option to purchase 167,411 Ordinary Shares under the Plan and the Policy. This option shall vest and become exercisable upon the earlier of the one-year anniversary of the grant date and the annual general meeting of shareholders in such anniversary year.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033899 · ownership.xml · derivative · entry 1

Sullivan Diane E. · CIK 0001968736 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 284,598

Underlying: Ordinary Shares · 284,598 shares

Expires 2033-07-21

F1 · derivative.exercise_date: In connection with the Reporting Person's initial appointment to the Issuer's board of directors, on July 21, 2023 the Reporting Person was granted a one-time option to purchase 284,598 Ordinary Shares under the Amarin Corporation plc 2020 Stock Incentive Plan (the "Plan") and the Non-Employee Director Compensation Policy, as revised in May 2023 (the "Policy"). This option shall vest and become exercisable in equal annual installments over three years from the date of the Reporting Person's initial appointment to the Issuer's board of directors.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033856 · ownership.xml · derivative · entry 1

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 404,400

Underlying: Ordinary Shares · 404,400 shares

Expires 2033-07-19

F1 · derivative.exercise_date: On July 19, 2023, the Reporting Person was granted an option to purchase 404,400 Ordinary Shares under the Plan. The shares subject to this option shall vest 50% on January 1, 2024 and 50% on January 1, 2025.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033855 · ownership.xml · derivative · entry 1

Reilly Thomas Charles · CIK 0001827590 · SVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 404,400

Underlying: Ordinary Shares · 404,400 shares

Expires 2033-07-19

F1 · derivative.exercise_date: On July 19, 2023, the Reporting Person was granted an option to purchase 404,400 Ordinary Shares under the Plan. The shares subject to this option shall vest 50% on January 1, 2024 and 50% on January 1, 2025.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000950170-23-033853 · ownership.xml · derivative · entry 1

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 404,400

Underlying: Ordinary Shares · 404,400 shares

Expires 2033-07-19

F1 · derivative.exercise_date: On July 19, 2023, the Reporting Person was granted an option to purchase 404,400 Ordinary Shares under the Plan. The shares subject to this option shall vest 50% on January 1, 2024 and 50% on January 1, 2025.

F2 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0000899243-23-016904 · doc4.xml · derivative · entry 3

Reilly Thomas Charles · CIK 0001827590 · SVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,333

Underlying: Ordinary Shares · 16,667 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · security: Each RSU represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F2 · kind: On February 21, 2023, the Issuer's Remuneration Committee of its Board of Directors certified the achievement of certain performance metrics for this Restricted Stock Unit ("RSU") award, resulting in the grant of 50,000 RSUs scheduled to vest in three equal installments on each of the first, second and third anniversary of the grant date of July 1, 2022, subject to the Reporting Person's continued service to the Issuer.

F2 · derivative.exercise_date: On February 21, 2023, the Issuer's Remuneration Committee of its Board of Directors certified the achievement of certain performance metrics for this Restricted Stock Unit ("RSU") award, resulting in the grant of 50,000 RSUs scheduled to vest in three equal installments on each of the first, second and third anniversary of the grant date of July 1, 2022, subject to the Reporting Person's continued service to the Issuer.

F3 · derivative.expiration_date: Not applicable.

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

SEC source: 0000899243-23-016904 · doc4.xml · nonDerivative · entry 2

Reilly Thomas Charles · CIK 0001827590 · SVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,375

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

F4 · kind: 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.

SEC source: 0000899243-23-016904 · doc4.xml · nonDerivative · entry 1

Reilly Thomas Charles · CIK 0001827590 · SVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,584

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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

F2 · kind: On February 21, 2023, the Issuer's Remuneration Committee of its Board of Directors certified the achievement of certain performance metrics for this Restricted Stock Unit ("RSU") award, resulting in the grant of 50,000 RSUs scheduled to vest in three equal installments on each of the first, second and third anniversary of the grant date of July 1, 2022, subject to the Reporting Person's continued service to the Issuer.

F3 · price: Not applicable.

SEC source: 0000899243-23-016257 · doc4.xml · derivative · entry 3

Reilly Thomas Charles · CIK 0001827590 · SVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,666

Underlying: Ordinary Shares · 33,334 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · security: Each RSU represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F2 · kind: On July 1, 2022, the Reporting Person was granted 100,000 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2020 Stock Incentive Plan (the "Plan"). These RSUs vest in three equal installments on each of June 20, 2023, June 20, 2024 and June 20, 2025.

F2 · derivative.exercise_date: On July 1, 2022, the Reporting Person was granted 100,000 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2020 Stock Incentive Plan (the "Plan"). These RSUs vest in three equal installments on each of June 20, 2023, June 20, 2024 and June 20, 2025.

F3 · derivative.expiration_date: Not applicable.

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

SEC source: 0000899243-23-016257 · doc4.xml · nonDerivative · entry 2

Reilly Thomas Charles · CIK 0001827590 · SVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,917

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

F4 · kind: 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.

SEC source: 0000899243-23-016257 · doc4.xml · nonDerivative · entry 1

Reilly Thomas Charles · CIK 0001827590 · SVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,334

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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

F2 · kind: On July 1, 2022, the Reporting Person was granted 100,000 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2020 Stock Incentive Plan (the "Plan"). These RSUs vest in three equal installments on each of June 20, 2023, June 20, 2024 and June 20, 2025.

F3 · price: Not applicable.

SEC source: 0000899243-23-007483 · doc4.xml · derivative · entry 3

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 16,333 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · security: Each RSU represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F2 · derivative.exercise_date: On March 2, 2020, the Reporting Person was granted 49,000 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of February 28, 2021, February 28, 2022 and February 28, 2023. The third and final vesting event occurred on February 28, 2023.

F3 · derivative.expiration_date: Not applicable.

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

SEC source: 0000899243-23-007483 · doc4.xml · nonDerivative · entry 2

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 588,111

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

F4 · kind: 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 · balance_after: Please see the section titled "Remarks" below for additional information.

SEC source: 0000899243-23-007483 · doc4.xml · nonDerivative · entry 1

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 595,829

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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

F2 · kind: On March 2, 2020, the Reporting Person was granted 49,000 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of February 28, 2021, February 28, 2022 and February 28, 2023. The third and final vesting event occurred on February 28, 2023.

F3 · price: Not applicable.