AMRN

SEC source: 0000899243-23-007484 · doc4.xml · derivative · entry 3

Berg Aaron · CIK 0001770259 · EVP, President US

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: 0000899243-23-007484 · doc4.xml · nonDerivative · entry 2

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 510,760

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: 0000899243-23-007484 · doc4.xml · nonDerivative · entry 1

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 518,478

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.

SEC source: 0000899243-23-006080 · doc4.xml · derivative · entry 8

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,133

Underlying: Ordinary Shares · 29,133 shares

Expires not disclosed

F8 · 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 January 4, 2021 (the "Grant Date"), the Reporting Person was granted RSUs under the Plan, which only vest subject to the achievement of certain performance-based milestones disclosed in the Issuer's definitive proxy statement filed with the U.S. Securities and Exchange Commission on May 24, 2022 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. This RSU Award also provides that if performance metrics are achieved prior to the 3rd anniversary of the Grant Date, the achieved portion of such RSU Award shall also be subject to time-based vesting such that 1/3 of such amount shall become vested on each of the first, second and third anniversary of the Grant Date, subject to the Reporting Person's continued service to the Issuer.

F6 · derivative.exercise_date: (Continued from Footnote 5) The Issuer's Remuneration Committee of its Board certified the achievement of performance effective as of February 21, 2023, resulting in the vesting of 58,267 RSUs (two tranches) and the remaining 29,133 (third tranche) scheduled to vest on January 4, 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: 0000899243-23-006080 · doc4.xml · derivative · entry 7

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,800

Underlying: Ordinary Shares · 134,800 shares

Expires not disclosed

F8 · security: Each RSU represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F10 · 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: 0000899243-23-006080 · doc4.xml · derivative · entry 6

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 269,600

Underlying: Ordinary Shares · 269,600 shares

Expires 2033-02-21

F9 · derivative.exercise_date: On February 21, 2023, the Reporting Person was granted an option to purchase 269,600 Ordinary Shares under the Plan. The shares subject to this option shall vest and become exercisable over four years, with 25% to vest on the first anniversary of the grant date and the balance to vest ratably over the subsequent 12 calendar quarters on the last day of each April, July, October and January.

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

SEC source: 0000899243-23-006080 · doc4.xml · nonDerivative · entry 4

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 502,145

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.

F7 · balance_after: Please see the section titled "Remarks" below for additional information.

SEC source: 0000899243-23-006080 · doc4.xml · nonDerivative · entry 3

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 530,307

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

F5 · kind: On January 4, 2021 (the "Grant Date"), the Reporting Person was granted RSUs under the Plan, which only vest subject to the achievement of certain performance-based milestones disclosed in the Issuer's definitive proxy statement filed with the U.S. Securities and Exchange Commission on May 24, 2022 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. This RSU Award also provides that if performance metrics are achieved prior to the 3rd anniversary of the Grant Date, the achieved portion of such RSU Award shall also be subject to time-based vesting such that 1/3 of such amount shall become vested on each of the first, second and third anniversary of the Grant Date, subject to the Reporting Person's continued service to the Issuer.

F6 · kind: (Continued from Footnote 5) The Issuer's Remuneration Committee of its Board certified the achievement of performance effective as of February 21, 2023, resulting in the vesting of 58,267 RSUs (two tranches) and the remaining 29,133 (third tranche) scheduled to vest on January 4, 2024.

F3 · price: Not applicable.

SEC source: 0000899243-23-006079 · doc4.xml · derivative · entry 3

Reilly Thomas Charles · CIK 0001827590 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Ordinary Shares · 50,000 shares

Expires not disclosed

F3 · security: Each Restricted Stock Units ("RSUs") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F6 · derivative.exercise_date: On July 1, 2022 (the "Grant Date"), the Reporting Person was granted RSUs under the Plan, which only vest subject to the achievement of certain performance-based milestones disclosed in the Issuer's definitive proxy statement filed with the U.S. Securities and Exchange Commission on May 24, 2022 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. This RSU Award also provides that if performance metrics are achieved prior to the 3rd anniversary of the Grant Date, the achieved portion of such RSU Award shall also be subject to time-based vesting such that 1/3 of such amount shall become vested on each of the first, second and third anniversary of the Grant Date, subject to the Reporting Person's continued service to the Issuer.

F7 · derivative.exercise_date: (Continued from Footnote 6) The Issuer's Remuneration Committee of its Board certified the achievement of performance effective as of February 21, 2023, which will result in 50,000 RSUs scheduled to vest on each of the first, second and third anniversary of the Grant Date.

F5 · 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: 0000899243-23-006079 · doc4.xml · derivative · entry 2

Reilly Thomas Charles · CIK 0001827590 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,800

Underlying: Ordinary Shares · 134,800 shares

Expires not disclosed

F3 · security: Each Restricted Stock Units ("RSUs") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F4 · 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.

F5 · 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: 0000899243-23-006079 · doc4.xml · derivative · entry 1

Reilly Thomas Charles · CIK 0001827590 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 269,600

Underlying: Ordinary Shares · 269,600 shares

Expires 2033-02-21

F1 · derivative.exercise_date: On February 21, 2023, the Reporting Person was granted an option to purchase 269,600 Ordinary Shares under the Amarin Corporation plc 2020 Stock Incentive Plan (as amended, the "Plan"). The shares subject to this option shall vest and become exercisable over four years, with 25% to vest on the first anniversary of the grant date and the balance to vest ratably over the subsequent 12 calendar quarters on the last day of each April, July, October and January.

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

SEC source: 0000899243-23-006077 · doc4.xml · derivative · entry 8

Mikhail Karim · CIK 0001875266 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,666

Underlying: Ordinary Shares · 66,666 shares

Expires not disclosed

F8 · 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 April 12, 2021 (the "Grant Date"), the Reporting Person was granted RSUs under the Plan, which only vest subject to the achievement of certain performance-based milestones disclosed in the Issuer's definitive proxy statement filed with the U.S. Securities and Exchange Commission on May 24, 2022 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. This RSU Award also provides that if performance metrics are achieved prior to the 3rd anniversary of the Grant Date, the achieved portion of such RSU Award shall also be subject to time-based vesting such that 1/3 of such amount shall become vested on each of the first, second and third anniversary of the Grant Date, subject to the Reporting Person's continued service to the Issuer.

F6 · derivative.exercise_date: (Continued from Footnote 5): The Issuer's Remuneration Committee of its Board certified the achievement of performance effective as of February 21, 2023, resulting in the vesting of 33,334 RSUs (first tranche) and the remaining 66,666 (two tranches) scheduled to vest on each of April 12, 2023 and April 12, 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: 0000899243-23-006077 · doc4.xml · derivative · entry 7

Mikhail Karim · CIK 0001875266 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 800,800

Underlying: Ordinary Shares · 800,800 shares

Expires not disclosed

F8 · security: Each RSU represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F10 · derivative.exercise_date: On February 21, 2023, the Reporting Person was granted 800,800 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: 0000899243-23-006077 · doc4.xml · derivative · entry 6

Mikhail Karim · CIK 0001875266 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,601,500

Underlying: Ordinary Shares · 1,601,500 shares

Expires 2033-02-21

F9 · derivative.exercise_date: On February 21, 2023, the Reporting Person was granted an option to purchase 1,618,900 Ordinary Shares under the Plan. The shares subject to this option shall vest and become exercisable over four years, with 25% to vest on the first anniversary of the grant date and the balance to vest ratably over the subsequent 12 calendar quarters on the last day of each April, July, October and January.

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

SEC source: 0000899243-23-006077 · doc4.xml · nonDerivative · entry 4

Mikhail Karim · CIK 0001875266 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 283,507

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.

F7 · balance_after: Please see the section titled "Remarks" below for additional information.

SEC source: 0000899243-23-006077 · doc4.xml · nonDerivative · entry 3

Mikhail Karim · CIK 0001875266 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 293,508

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

F5 · kind: On April 12, 2021 (the "Grant Date"), the Reporting Person was granted RSUs under the Plan, which only vest subject to the achievement of certain performance-based milestones disclosed in the Issuer's definitive proxy statement filed with the U.S. Securities and Exchange Commission on May 24, 2022 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. This RSU Award also provides that if performance metrics are achieved prior to the 3rd anniversary of the Grant Date, the achieved portion of such RSU Award shall also be subject to time-based vesting such that 1/3 of such amount shall become vested on each of the first, second and third anniversary of the Grant Date, subject to the Reporting Person's continued service to the Issuer.

F6 · kind: (Continued from Footnote 5): The Issuer's Remuneration Committee of its Board certified the achievement of performance effective as of February 21, 2023, resulting in the vesting of 33,334 RSUs (first tranche) and the remaining 66,666 (two tranches) scheduled to vest on each of April 12, 2023 and April 12, 2024.

F3 · price: Not applicable.

SEC source: 0000899243-23-006076 · doc4.xml · derivative · entry 8

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,567

Underlying: Ordinary Shares · 14,567 shares

Expires not disclosed

F8 · 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 January 4, 2021 (the "Grant Date"), the Reporting Person was granted RSUs under the Plan, which only vest subject to the achievement of certain performance-based milestones disclosed in the Issuer's definitive proxy statement filed with the U.S. Securities and Exchange Commission on May 24, 2022 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. This RSU Award also provides that if performance metrics are achieved prior to the 3rd anniversary of the Grant Date, the achieved portion of such RSU Award shall also be subject to time-based vesting such that 1/3 of such amount shall become vested on each of the first, second and third anniversary of the Grant Date, subject to the Reporting Person's continued service to the Issuer.

F6 · derivative.exercise_date: (Continued from Footnote 5) The Issuer's Remuneration Committee of its Board certified the achievement of performance effective as of February 21, 2023, resulting in the vesting of 29,134 RSUs (two tranches) and the remaining 14,567 (third tranche) scheduled to vest on January 4, 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: 0000899243-23-006076 · doc4.xml · derivative · entry 7

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,800

Underlying: Ordinary Shares · 134,800 shares

Expires not disclosed

F8 · security: Each RSU represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F10 · 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: 0000899243-23-006076 · doc4.xml · derivative · entry 6

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 269,600

Underlying: Ordinary Shares · 269,600 shares

Expires 2033-02-21

F9 · derivative.exercise_date: On February 21, 2023, the Reporting Person was granted an option to purchase 269,600 Ordinary Shares under the Plan. The shares subject to this option shall vest and become exercisable over four years, with 25% to vest on the first anniversary of the grant date and the balance to vest ratably over the subsequent 12 calendar quarters on the last day of each April, July, October and January.

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

SEC source: 0000899243-23-006076 · doc4.xml · nonDerivative · entry 4

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 579,496

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.

F7 · balance_after: Please see the section titled "Remarks" below for additional information.

SEC source: 0000899243-23-006076 · doc4.xml · nonDerivative · entry 3

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 594,016

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

F5 · kind: On January 4, 2021 (the "Grant Date"), the Reporting Person was granted RSUs under the Plan, which only vest subject to the achievement of certain performance-based milestones disclosed in the Issuer's definitive proxy statement filed with the U.S. Securities and Exchange Commission on May 24, 2022 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. This RSU Award also provides that if performance metrics are achieved prior to the 3rd anniversary of the Grant Date, the achieved portion of such RSU Award shall also be subject to time-based vesting such that 1/3 of such amount shall become vested on each of the first, second and third anniversary of the Grant Date, subject to the Reporting Person's continued service to the Issuer.

F6 · kind: (Continued from Footnote 5) The Issuer's Remuneration Committee of its Board certified the achievement of performance effective as of February 21, 2023, resulting in the vesting of 29,134 RSUs (two tranches) and the remaining 14,567 (third tranche) scheduled to vest on January 4, 2024.

F3 · price: Not applicable.

SEC source: 0000899243-23-006080 · doc4.xml · derivative · entry 5

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,133

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.

F8 · 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: 0000899243-23-006080 · doc4.xml · nonDerivative · entry 2

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 472,040

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: 0000899243-23-006080 · doc4.xml · nonDerivative · entry 1

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 485,747

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: 0000899243-23-006077 · doc4.xml · derivative · entry 5

Mikhail Karim · CIK 0001875266 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 415,400

Underlying: Ordinary Shares · 207,700 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.

F8 · 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 623,100 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: 0000899243-23-006077 · doc4.xml · nonDerivative · entry 2

Mikhail Karim · CIK 0001875266 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 260,174

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: 0000899243-23-006077 · doc4.xml · nonDerivative · entry 1

Mikhail Karim · CIK 0001875266 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 322,484

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 623,100 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: 0000899243-23-006076 · doc4.xml · derivative · entry 5

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,133

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.

F8 · 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: 0000899243-23-006076 · doc4.xml · nonDerivative · entry 2

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 564,882

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: 0000899243-23-006076 · doc4.xml · nonDerivative · entry 1

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 578,588

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: 0000899243-23-006081 · doc4.xml · derivative · entry 2

WOLD OLSEN PER · CIK 0001181185 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,055

Underlying: Ordinary Shares · 22,027 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.

F4 · 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 10, 2022, the Reporting Person was granted 81,082 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2020 Stock Incentive Plan. The RSUs vest in equal annual installments over a three-year period, with each installment vesting upon the anniversary of the grant date of January 10, 2022.

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: 0000899243-23-006081 · doc4.xml · nonDerivative · entry 1

WOLD OLSEN PER · CIK 0001181185 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 171,027

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 10, 2022, the Reporting Person was granted 81,082 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2020 Stock Incentive Plan. The RSUs vest in equal annual installments over a three-year period, with each installment vesting upon the anniversary of the grant date of January 10, 2022.

F3 · price: Not applicable.

SEC source: 0001562180-23-000403 · primarydocument.xml · derivative · entry 2

Stewart Murray · CIK 0001723450 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 182,433

Underlying: Ordinary Shares · 182,433 shares

Expires not disclosed

F3 · 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, with settlement to be made on a deferred basis, specifically upon the non-employee director's separation of service with the Issuer.

F4 · derivative.exercise_date: On January 9, 2023, the Reporting Person was granted 182,433 RSUs under the Plan. The RSUs vest in equal annual installments over a three-year period, with each installment vesting upon the anniversary of the grant date of January 9, 2023.

F5 · 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: 0001562180-23-000403 · primarydocument.xml · derivative · entry 1

Stewart Murray · CIK 0001723450 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 223,560

Underlying: Ordinary Shares · 223,560 shares

Expires 2033-01-09

F1 · derivative.exercise_date: On January 9, 2023, the Reporting Person was granted an option to purchase 223,560 Ordinary Shares under the Amarin Corporation plc 2020 Stock Incentive Plan (the "Plan"). The option shall vest and become exercisable in a single annual installment upon the one-year anniversary of the grant date of January 9, 2023.

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

SEC source: 0001562180-23-000190 · primarydocument.xml · derivative · entry 3

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,766

Underlying: Ordinary Shares · 47,767 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.

F7 · 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 second vesting date fell on a weekend, the second vesting event occurred on December 30, 2022, the previous business day.

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: 0001562180-23-000190 · primarydocument.xml · nonDerivative · entry 2

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 451,180

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.

F6 · balance_after: Please see the section titled "Remarks" below for additional information.

SEC source: 0001562180-23-000190 · primarydocument.xml · nonDerivative · entry 1

Berg Aaron · CIK 0001770259 · EVP, President US

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 467,541

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 second vesting date fell on a weekend, the second vesting event occurred on December 30, 2022, the previous business day.

F3 · price: Not applicable.

F4 · balance_after: Includes 8,619 shares purchased under the Issuer's 2017 Employee Stock Purchase Plan on November 30, 2022.

SEC source: 0001562180-23-000189 · primarydocument.xml · derivative · entry 3

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,766

Underlying: Ordinary Shares · 47,767 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 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 second vesting date fell on a weekend, the second vesting event occurred on December 30, 2022, the previous business day.

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: 0001562180-23-000189 · primarydocument.xml · nonDerivative · entry 2

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 544,021

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: 0001562180-23-000189 · primarydocument.xml · nonDerivative · entry 1

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 560,382

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 second vesting date fell on a weekend, the second vesting event occurred on December 30, 2022, the previous business day.

F3 · price: Not applicable.

SEC source: 0001562180-23-000188 · primarydocument.xml · derivative · entry 3

Mikhail Karim · CIK 0001875266 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,366

Underlying: Ordinary Shares · 11,367 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 January 4, 2021, the Reporting Person was granted 34,100 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 second vesting date fell on a weekend, the second vesting event occurred on December 30, 2022, the previous business day.

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: 0001562180-23-000188 · primarydocument.xml · nonDerivative · entry 2

Mikhail Karim · CIK 0001875266 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 114,784

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: 0001562180-23-000188 · primarydocument.xml · nonDerivative · entry 1

Mikhail Karim · CIK 0001875266 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,054

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 34,100 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 second vesting date fell on a weekend, the second vesting event occurred on December 30, 2022, the previous business day.

F3 · price: Not applicable.

SEC source: 0001562180-22-007438 · primarydocument.xml · derivative · entry 2

Murphy Geraldine · CIK 0001952113 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 247,707

Underlying: Ordinary Shares · 247,707 shares

Expires not disclosed

F3 · 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.

F4 · derivative.exercise_date: On October 20, 2022, the Reporting Person was granted 247,707 RSUs under the Plan. The RSUs vest in equal annual installments over a three-year period, with each installment vesting upon the anniversary of the grant date of October 20, 2022.

F5 · 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: 0001562180-22-007438 · primarydocument.xml · derivative · entry 1

Murphy Geraldine · CIK 0001952113 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 302,122

Underlying: Ordinary Shares · 302,122 shares

Expires 2032-10-20

F1 · derivative.exercise_date: On October 20, 2022, the Reporting Person was granted an option to purchase 302,122 Ordinary Shares under the Amarin Corporation plc 2020 Stock Incentive Plan (the "Plan"). The option shall vest and become exercisable in a single annual installment upon the one-year anniversary of the grant date of October 20, 2022.

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

SEC source: 0001562180-22-007437 · primarydocument.xml · derivative · entry 2

Berger Adam Mark · CIK 0001952577 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 247,707

Underlying: Ordinary Shares · 247,707 shares

Expires not disclosed

F3 · 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.

F4 · derivative.exercise_date: On October 20, 2022, the Reporting Person was granted 247,707 RSUs under the Plan. The RSUs vest in equal annual installments over a three-year period, with each installment vesting upon the anniversary of the grant date of October 20, 2022.

F5 · 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: 0001562180-22-007437 · primarydocument.xml · derivative · entry 1

Berger Adam Mark · CIK 0001952577 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 302,122

Underlying: Ordinary Shares · 302,122 shares

Expires 2032-10-20

F1 · derivative.exercise_date: On October 20, 2022, the Reporting Person was granted an option to purchase 302,122 Ordinary Shares under the Amarin Corporation plc 2020 Stock Incentive Plan (the "Plan"). The option shall vest and become exercisable in a single annual installment upon the one-year anniversary of the grant date of October 20, 2022.

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

SEC source: 0001562180-22-006294 · primarydocument.xml · derivative · entry 3

Marks Jason M. · CIK 0001878953 · EVP,Chief Global Legal Officer

10b5-1 filing: Not disclosed

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.

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 September 1, 2021, the Reporting Person was granted 100,000 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2020 Stock Incentive Plan. These RSUs vest in three equal installments on each of August 19, 2022, August 19, 2023 and August 19, 2024. The first vesting event occurred on August 19, 2022.

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: 0001562180-22-006294 · primarydocument.xml · nonDerivative · entry 2

Marks Jason M. · CIK 0001878953 · EVP,Chief Global Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,917

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.

F5 · balance_after: Please see the section titled "Remarks" below for additional information.

SEC source: 0001562180-22-006294 · primarydocument.xml · nonDerivative · entry 1

Marks Jason M. · CIK 0001878953 · EVP,Chief Global Legal Officer

10b5-1 filing: Not disclosed

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 September 1, 2021, the Reporting Person was granted 100,000 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2020 Stock Incentive Plan. These RSUs vest in three equal installments on each of August 19, 2022, August 19, 2023 and August 19, 2024. The first vesting event occurred on August 19, 2022.

F3 · price: Not applicable.