AMRN

SEC source: 0000950170-24-010536 · ownership.xml · nonDerivative · entry 4

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 633,260

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: 0000950170-24-010536 · ownership.xml · nonDerivative · entry 3

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 655,214

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.

F5 · kind: On February 21, 2023, the Reporting Person was granted 134,800 RSUs under the Plan. These RSUs vest in three equal installments on each of January 31, 2024, January 31, 2025 and January 31, 2026.

F3 · price: Not applicable

SEC source: 0000950170-24-010536 · ownership.xml · nonDerivative · entry 2

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 610,281

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: 0000950170-24-010536 · ownership.xml · nonDerivative · entry 1

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 629,149

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 4, 2022, the Reporting Person was granted 103,700 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2020 Stock Incentive Plan (as amended, the "Plan"). These RSUs vest in three equal installments on each of January 31, 2023, January 31, 2024 and January 31, 2025.

F3 · price: Not applicable

SEC source: 0000950170-24-010535 · ownership.xml · derivative · entry 6

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,867

Underlying: Ordinary Shares · 44,933 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.

F5 · derivative.exercise_date: On February 21, 2023, the Reporting Person was granted 134,800 RSUs under the Plan. These RSUs vest in three equal installments on each of January 31, 2024, January 31, 2025 and January 31, 2026.

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: 0000950170-24-010535 · ownership.xml · derivative · entry 5

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,566

Underlying: Ordinary Shares · 34,567 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 February 4, 2022, the Reporting Person was granted 103,700 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2020 Stock Incentive Plan (as amended, the "Plan"). These RSUs vest in three equal installments on each of January 31, 2023, January 31, 2024 and January 31, 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: 0000950170-24-010535 · ownership.xml · nonDerivative · entry 4

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 658,720

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: 0000950170-24-010535 · ownership.xml · nonDerivative · entry 3

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 681,036

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.

F5 · kind: On February 21, 2023, the Reporting Person was granted 134,800 RSUs under the Plan. These RSUs vest in three equal installments on each of January 31, 2024, January 31, 2025 and January 31, 2026.

F3 · price: Not applicable

SEC source: 0000950170-24-010535 · ownership.xml · nonDerivative · entry 2

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 636,103

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: 0000950170-24-010535 · ownership.xml · nonDerivative · entry 1

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 654,974

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 4, 2022, the Reporting Person was granted 103,700 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2020 Stock Incentive Plan (as amended, the "Plan"). These RSUs vest in three equal installments on each of January 31, 2023, January 31, 2024 and January 31, 2025.

F3 · price: Not applicable

SEC source: 0000950170-24-010534 · ownership.xml · derivative · entry 3

Reilly Thomas Charles · CIK 0001827590 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,867

Underlying: Ordinary Shares · 44,933 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 February 21, 2023, the Reporting Person was granted 134,800 RSUs under the Plan. These RSUs vest in three equal installments on each of January 31, 2024, January 31, 2025 and January 31, 2026.

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: 0000950170-24-010534 · ownership.xml · nonDerivative · entry 2

Reilly Thomas Charles · CIK 0001827590 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,931

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: 0000950170-24-010534 · ownership.xml · nonDerivative · entry 1

Reilly Thomas Charles · CIK 0001827590 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,483

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 Reporting Person was granted 134,800 RSUs under the Plan. These RSUs vest in three equal installments on each of January 31, 2024, January 31, 2025 and January 31, 2026.

F3 · price: Not applicable

SEC source: 0000950170-24-007006 · ownership.xml · nonDerivative · entry 1

Holt Patrick · CIK 0001986374 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 314,426

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

SEC source: 0000950170-24-004308 · ownership.xml · derivative · entry 4

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 51,500 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.

F5 · derivative.exercise_price: 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 February 21, 2023, the Reporting Person was granted 103,000 RSUs under the Amarin Corporation plc 2020 Stock Incentive Plan, which vest upon achievement of certain performance-based milestones and subject to the Reporting Person's continued service with the Issuer as provided in the RSU Award Agreement between the Issuer and Reporting Person. On January 10, 2024, the first of two performance-based milestones was achieved based on a predetermined formula tied to company cash balance as determined by the Issuer's Remuneration Committee of its Board of Directors, resulting in the vesting of 51,500 RSUs.

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: 0000950170-24-004308 · 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 · 51,500 shares

Expires not disclosed

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

F5 · derivative.exercise_price: 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 February 21, 2023, the Reporting Person was granted 103,000 RSUs under the Amarin Corporation plc 2020 Stock Incentive Plan, which vest upon achievement of certain performance-based milestones and subject to the Reporting Person's continued service with the Issuer as provided in the RSU Award Agreement between the Issuer and Reporting Person. On January 10, 2024, the first of two performance-based milestones was achieved based on a predetermined formula tied to company cash balance as determined by the Issuer's Remuneration Committee of its Board of Directors, resulting in the vesting of 51,500 RSUs.

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: 0000950170-24-004308 · ownership.xml · nonDerivative · entry 2

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 620,407

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: 0000950170-24-004308 · ownership.xml · nonDerivative · entry 1

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 648,677

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 Reporting Person was granted 103,000 RSUs under the Amarin Corporation plc 2020 Stock Incentive Plan, which vest upon achievement of certain performance-based milestones and subject to the Reporting Person's continued service with the Issuer as provided in the RSU Award Agreement between the Issuer and Reporting Person. On January 10, 2024, the first of two performance-based milestones was achieved based on a predetermined formula tied to company cash balance as determined by the Issuer's Remuneration Committee of its Board of Directors, resulting in the vesting of 51,500 RSUs.

F3 · price: Not applicable

SEC source: 0000950170-24-004305 · ownership.xml · derivative · entry 4

Reilly Thomas Charles · CIK 0001827590 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 51,500 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.

F5 · derivative.exercise_price: 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 February 21, 2023, the Reporting Person was granted 103,000 RSUs under the Amarin Corporation plc 2020 Stock Incentive Plan, which vest upon achievement of certain performance-based milestones and subject to the Reporting Person's continued service with the Issuer as provided in the RSU Award Agreement between the Issuer and Reporting Person. On January 10, 2024, the first of two performance-based milestones was achieved based on a predetermined formula tied to company cash balance as determined by the Issuer's Remuneration Committee of its Board of Directors, resulting in the vesting of 51,500 RSUs.

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: 0000950170-24-004305 · ownership.xml · derivative · entry 3

Reilly Thomas Charles · CIK 0001827590 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 51,500 shares

Expires not disclosed

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 February 21, 2023, the Reporting Person was granted 103,000 RSUs under the Amarin Corporation plc 2020 Stock Incentive Plan, which vest upon achievement of certain performance-based milestones and subject to the Reporting Person's continued service with the Issuer as provided in the RSU Award Agreement between the Issuer and Reporting Person. On January 10, 2024, the first of two performance-based milestones was achieved based on a predetermined formula tied to company cash balance as determined by the Issuer's Remuneration Committee of its Board of Directors, resulting in the vesting of 51,500 RSUs.

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: 0000950170-24-004305 · ownership.xml · nonDerivative · entry 2

Reilly Thomas Charles · CIK 0001827590 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,550

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: 0000950170-24-004305 · ownership.xml · nonDerivative · entry 1

Reilly Thomas Charles · CIK 0001827590 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,875

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 Reporting Person was granted 103,000 RSUs under the Amarin Corporation plc 2020 Stock Incentive Plan, which vest upon achievement of certain performance-based milestones and subject to the Reporting Person's continued service with the Issuer as provided in the RSU Award Agreement between the Issuer and Reporting Person. On January 10, 2024, the first of two performance-based milestones was achieved based on a predetermined formula tied to company cash balance as determined by the Issuer's Remuneration Committee of its Board of Directors, resulting in the vesting of 51,500 RSUs.

F3 · price: Not applicable

SEC source: 0000950170-24-004302 · ownership.xml · derivative · entry 4

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 51,500 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.

F5 · derivative.exercise_price: 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 February 21, 2023, the Reporting Person was granted 103,000 RSUs under the Amarin Corporation plc 2020 Stock Incentive Plan, which vest upon achievement of certain performance-based milestones and subject to the Reporting Person's continued service with the Issuer as provided in the RSU Award Agreement between the Issuer and Reporting Person. On January 10, 2024, the first of two performance-based milestones was achieved based on a predetermined formula tied to company cash balance as determined by the Issuer's Remuneration Committee of its Board of Directors, resulting in the vesting of 51,500 RSUs.

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: 0000950170-24-004302 · ownership.xml · derivative · entry 3

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 51,500 shares

Expires not disclosed

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

F5 · derivative.exercise_price: 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 February 21, 2023, the Reporting Person was granted 103,000 RSUs under the Amarin Corporation plc 2020 Stock Incentive Plan, which vest upon achievement of certain performance-based milestones and subject to the Reporting Person's continued service with the Issuer as provided in the RSU Award Agreement between the Issuer and Reporting Person. On January 10, 2024, the first of two performance-based milestones was achieved based on a predetermined formula tied to company cash balance as determined by the Issuer's Remuneration Committee of its Board of Directors, resulting in the vesting of 51,500 RSUs.

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: 0000950170-24-004302 · ownership.xml · nonDerivative · entry 2

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 594,582

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: 0000950170-24-004302 · ownership.xml · nonDerivative · entry 1

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 622,796

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 Reporting Person was granted 103,000 RSUs under the Amarin Corporation plc 2020 Stock Incentive Plan, which vest upon achievement of certain performance-based milestones and subject to the Reporting Person's continued service with the Issuer as provided in the RSU Award Agreement between the Issuer and Reporting Person. On January 10, 2024, the first of two performance-based milestones was achieved based on a predetermined formula tied to company cash balance as determined by the Issuer's Remuneration Committee of its Board of Directors, resulting in the vesting of 51,500 RSUs.

F3 · price: Not applicable

SEC source: 0000950170-24-003082 · 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 · 14,566 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.

F2 · derivative.exercise_date: Represents the third and final time-based vesting event under the previously disclosed performance-based restricted stock unit ("RSU") award granted to the Reporting Person on January 4, 2021, which was subject to both performance and time-based vesting.

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: 0000950170-24-003082 · ownership.xml · nonDerivative · entry 2

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 597,177

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: 0000950170-24-003082 · ownership.xml · nonDerivative · entry 1

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 604,907

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: Represents the third and final time-based vesting event under the previously disclosed performance-based restricted stock unit ("RSU") award granted to the Reporting Person on January 4, 2021, which was subject to both performance and time-based vesting.

F3 · price: Not applicable

SEC source: 0000950170-24-003081 · ownership.xml · derivative · entry 3

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 29,133 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.

F2 · derivative.exercise_date: Represents the third and final time-based vesting event under the previously disclosed performance-based restricted stock unit ("RSU") award granted to the Reporting Person on January 4, 2021, which was subject to both performance and time-based vesting.

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: 0000950170-24-003081 · ownership.xml · nonDerivative · entry 2

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 571,296

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: 0000950170-24-003081 · ownership.xml · nonDerivative · entry 1

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 586,756

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 · deemedExecutionDate: Represents the third and final time-based vesting event under the previously disclosed performance-based restricted stock unit ("RSU") award granted to the Reporting Person on January 4, 2021, which was subject to both performance and time-based vesting.

F3 · price: Not applicable

SEC source: 0000950170-24-000322 · ownership.xml · derivative · entry 3

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,766

Underlying: Ordinary Shares · 47,766 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 January 4, 2021, the Reporting Person was granted 143,300 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2020 Stock Incentive Plan (the "2020 Plan"). These RSUs vest in three equal installments on each of December 31, 2021, December 31, 2022 and December 31, 2023. As the final vesting date fell on a weekend, the second vesting event occurred on December 29, 2023, the previous business day.

F3 · derivative.expiration_date: Not applicable

SEC source: 0000950170-24-000322 · ownership.xml · nonDerivative · entry 2

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 590,341

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: 0000950170-24-000322 · ownership.xml · nonDerivative · entry 1

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 613,866

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 January 4, 2021, the Reporting Person was granted 143,300 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2020 Stock Incentive Plan (the "2020 Plan"). These RSUs vest in three equal installments on each of December 31, 2021, December 31, 2022 and December 31, 2023. As the final vesting date fell on a weekend, the second vesting event occurred on December 29, 2023, the previous business day.

F3 · price: Not applicable

SEC source: 0000950170-24-000313 · ownership.xml · derivative · entry 3

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,766

Underlying: Ordinary Shares · 47,766 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 January 4, 2021, the Reporting Person was granted 143,300 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2020 Stock Incentive Plan (the "2020 Plan"). These RSUs vest in three equal installments on each of December 31, 2021, December 31, 2022 and December 31, 2023. As the final vesting date fell on a weekend, the final vesting event occurred on December 29, 2023, the previous business day.

F3 · derivative.expiration_date: Not applicable

SEC source: 0000950170-24-000313 · ownership.xml · nonDerivative · entry 2

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 557,623

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: 0000950170-24-000313 · ownership.xml · nonDerivative · entry 1

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 581,148

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 January 4, 2021, the Reporting Person was granted 143,300 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2020 Stock Incentive Plan (the "2020 Plan"). These RSUs vest in three equal installments on each of December 31, 2021, December 31, 2022 and December 31, 2023. As the final vesting date fell on a weekend, the final vesting event occurred on December 29, 2023, the previous business day.

F3 · price: Not applicable

SEC source: 0000950170-23-070510 · ownership.xml · nonDerivative · entry 1

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 566,100

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

F2 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 12, 2023.

F3 · balance_after: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.78 to $0.8055, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000950170-23-068198 · ownership.xml · derivative · entry 1

Provoost Jonathan · CIK 0001998452 · EVP, Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 800,000

Underlying: Ordinary Shares · 800,000 shares

Expires 2033-12-01

F1 · derivative.exercise_date: On December 1, 2023, the Reporting Person was granted an option to purchase 800,000 Ordinary Shares under the Amarin Corporation plc 2020 Stock Incentive Plan (the "2020 Plan"). The shares subject to this option shall vest and become exercisable over four years, with 25% to vest on Novenver 15, 2024 and the balance to vest ratably over the subsequent 12 calendar quarters on the fifteenth (15th) day of each February, May, August and November.

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

SEC source: 0000950170-23-043073 · ownership.xml · nonDerivative · entry 7

Holt Patrick · CIK 0001986374 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 300,000

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

SEC source: 0000950170-23-043073 · ownership.xml · nonDerivative · entry 6

Holt Patrick · CIK 0001986374 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 233,778

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

SEC source: 0000950170-23-043073 · ownership.xml · nonDerivative · entry 5

Holt Patrick · CIK 0001986374 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 206,933

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

SEC source: 0000950170-23-043073 · ownership.xml · nonDerivative · entry 4

Holt Patrick · CIK 0001986374 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 194,233

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

SEC source: 0000950170-23-043073 · ownership.xml · nonDerivative · entry 3

Holt Patrick · CIK 0001986374 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 163,591

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

SEC source: 0000950170-23-043073 · ownership.xml · nonDerivative · entry 2

Holt Patrick · CIK 0001986374 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 144,233

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

SEC source: 0000950170-23-043073 · ownership.xml · nonDerivative · entry 1

Holt Patrick · CIK 0001986374 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 958

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

SEC source: 0000950170-23-037305 · ownership.xml · derivative · entry 1

Holt Patrick · CIK 0001986374 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000,000

Underlying: Ordinary Shares · 5,000,000 shares

Expires 2033-08-01

F1 · derivative.exercise_date: In connection with the Reporting Person's initial appointment as President and Chief Executive Officer of the Issuer, on August 1, 2023 the Reporting Person was granted a performance-based stock option to purchase 5,000,000 Ordinary Shares under the Amarin Corporation plc 2020 Stock Incentive Plan. The shares subject to this option shall vest and become exercisable upon the achievement of share price hurdles ranging from $2.50 to $15.00, subject to five months of further time-based vesting once a share price hurdle has been achieved.

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

SEC source: 0000950170-23-037295 · ownership.xml · derivative · entry 3

Berg Aaron · CIK 0001770259 · EVP, President US

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.

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 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: 0000950170-23-037295 · ownership.xml · nonDerivative · entry 2

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 533,382

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

F5 · 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.