AMRN

SEC source: 0001209191-18-007275 · doc4.xml · derivative · entry 8

THERO JOHN F · CIK 0001199637 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 371,000

Underlying: Ordinary Shares · 371,000 shares

Expires not disclosed

F7 · security: Each RSU represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F9 · derivative.exercise_date: On February 1, 2018, the Reporting Person was granted 371,000 RSUs under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2019, January 31, 2020 and January 31, 2021.

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: 0001209191-18-007274 · doc4.xml · derivative · entry 2

Salyer Mark · CIK 0001725833 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,000

Underlying: Ordinary Shares · 117,000 shares

Expires 2028-02-01

F5 · derivative.exercise_date: On February 1, 2018, the Reporting Person was granted an option to purchase 117,000 Ordinary Shares under the Amarin Corporation plc 2011 Stock Incentive Plan. The shares subject to this option shall vest and become exercisable in 48 equal monthly installments on the last day of each month starting on February 28, 2018.

F4 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0001209191-18-007274 · doc4.xml · derivative · entry 1

Salyer Mark · CIK 0001725833 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,000

Underlying: Ordinary Shares · 78,000 shares

Expires not disclosed

F1 · 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.

F2 · derivative.exercise_date: On February 1, 2018, the Reporting Person was granted 78,000 RSUs under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2019, January 31, 2020 and January 31, 2021.

F3 · derivative.expiration_date: Not applicable.

F4 · derivative.underlying: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

SEC source: 0001209191-18-007273 · doc4.xml · derivative · entry 9

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,000

Underlying: Ordinary Shares · 117,000 shares

Expires 2028-02-01

F10 · derivative.exercise_date: On February 1, 2018 the Reporting Person was granted an option to purchase 117,000 Ordinary Shares under the Amarin Corporation plc 2011 Stock Incentive Plan. The shares subject to this option shall vest and become exercisable in 48 equal monthly installments on the last day of each month starting on February 28, 2018.

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

SEC source: 0001209191-18-007273 · doc4.xml · derivative · entry 8

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,000

Underlying: Ordinary Shares · 78,000 shares

Expires not disclosed

F7 · security: Each RSU represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F9 · derivative.exercise_date: On February 1, 2018, the Reporting Person was granted 78,000 RSUs under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2019, January 31, 2020 and January 31, 2021.

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: 0001209191-18-007272 · doc4.xml · derivative · entry 10

Kennedy Joseph T · CIK 0001408920 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,000

Underlying: Ordinary Shares · 117,000 shares

Expires 2028-02-01

F12 · derivative.exercise_date: On February 1, 2018, the Reporting Person was granted an option to purchase 117,000 Ordinary Shares under the Amarin Corporation plc 2011 Stock Incentive Plan. The shares subject to this option shall vest and become exercisable in 48 equal monthly installments on the last day of each month starting on February 28, 2018.

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

SEC source: 0001209191-18-007272 · doc4.xml · derivative · entry 9

Kennedy Joseph T · CIK 0001408920 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,000

Underlying: Ordinary Shares · 78,000 shares

Expires not disclosed

F9 · security: Each RSU represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F11 · derivative.exercise_date: On February 1, 2018, the Reporting Person was granted 78,000 RSUs under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2019, January 31, 2020 and January 31, 2021.

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: 0001209191-18-007271 · doc4.xml · derivative · entry 5

Kalb Michael Wayne · CIK 0001678248 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,000

Underlying: Ordinary Shares · 117,000 shares

Expires 2028-02-01

F7 · derivative.exercise_date: On February 1, 2018, the Reporting Person was granted an option to purchase 117,000 Ordinary Shares under the Amarin Corporation plc 2011 Stock Incentive Plan. The shares subject to this option shall vest and become exercisable in 48 equal monthly installments on the last day of each month starting on February 28, 2018.

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

SEC source: 0001209191-18-007271 · doc4.xml · derivative · entry 4

Kalb Michael Wayne · CIK 0001678248 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,000

Underlying: Ordinary Shares · 78,000 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.

F6 · derivative.exercise_date: On February 1, 2018, the Reporting Person was granted 78,000 RSUs under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2019, January 31, 2020 and January 31, 2021.

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: 0001209191-18-007275 · doc4.xml · derivative · entry 7

THERO JOHN F · CIK 0001199637 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 239,333

Underlying: Ordinary Shares · 119,667 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.

F7 · 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 1, 2017, the Reporting Person was granted 359,000 RSUs under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2018, January 31, 2019 and January 31, 2020. The first vesting event occurred on January 31, 2018.

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: 0001209191-18-007275 · doc4.xml · derivative · entry 6

THERO JOHN F · CIK 0001199637 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,000

Underlying: Ordinary Shares · 120,000 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.

F4 · derivative.exercise_date: On February 1, 2016, the Reporting Person was granted 360,000 RSUs under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2017, January 31, 2018 and January 31, 2019. The second vesting event occurred on January 31, 2018.

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: 0001209191-18-007275 · doc4.xml · derivative · entry 5

THERO JOHN F · CIK 0001199637 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 260,000 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 February 2, 2015, the Reporting Person was granted 780,000 Restricted Stock Unit ("RSUs") under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2016, January 31, 2017 and January 31, 2018. The third and final vesting event occurred on January 31, 2018.

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.

F8 · balance_after: Please see the section titled "Remarks" below for additional information.

SEC source: 0001209191-18-007275 · doc4.xml · nonDerivative · entry 4

THERO JOHN F · CIK 0001199637 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,458,925

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

F6 · 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: 0001209191-18-007275 · doc4.xml · nonDerivative · entry 3

THERO JOHN F · CIK 0001199637 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,656,438

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 · shares: On February 1, 2017, the Reporting Person was granted 359,000 RSUs under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2018, January 31, 2019 and January 31, 2020. The first vesting event occurred on January 31, 2018.

F3 · price: Not applicable.

SEC source: 0001209191-18-007275 · doc4.xml · nonDerivative · entry 2

THERO JOHN F · CIK 0001199637 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,536,771

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.

F4 · shares: On February 1, 2016, the Reporting Person was granted 360,000 RSUs under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2017, January 31, 2018 and January 31, 2019. The second vesting event occurred on January 31, 2018.

F3 · price: Not applicable.

SEC source: 0001209191-18-007275 · doc4.xml · nonDerivative · entry 1

THERO JOHN F · CIK 0001199637 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,416,771

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 · shares: On February 2, 2015, the Reporting Person was granted 780,000 Restricted Stock Unit ("RSUs") under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2016, January 31, 2017 and January 31, 2018. The third and final vesting event occurred on January 31, 2018.

F3 · price: Not applicable.

SEC source: 0001209191-18-007273 · doc4.xml · derivative · entry 7

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,000

Underlying: Ordinary Shares · 29,000 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.

F5 · derivative.exercise_date: On February 1, 2017, the Reporting Person was granted 87,000 RSUs under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2018, January 31, 2019 and January 31, 2020. The first vesting event occurred on January 31, 2018.

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: 0001209191-18-007273 · doc4.xml · derivative · entry 6

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,666

Underlying: Ordinary Shares · 26,667 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.

F7 · security: Each 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 February 1, 2016, the Reporting Person was granted 80,000 RSUs under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2017, January 31, 2018 and January 31, 2019. The second vesting event occurred on January 31, 2018.

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: 0001209191-18-007273 · doc4.xml · derivative · entry 5

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 60,937 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 February 2, 2015, the Reporting Person was granted 182,813 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2016, January 31, 2017 and January 31, 2018. The third and final vesting event occurred on January 31, 2018.

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.

F8 · balance_after: Please see the section titled "Remarks" below for additional information.

SEC source: 0001209191-18-007273 · doc4.xml · nonDerivative · entry 4

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200,973

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

F6 · 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: 0001209191-18-007273 · doc4.xml · nonDerivative · entry 3

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 258,401

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 · shares: On February 1, 2017, the Reporting Person was granted 87,000 RSUs under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2018, January 31, 2019 and January 31, 2020. The first vesting event occurred on January 31, 2018.

F3 · price: Not applicable.

SEC source: 0001209191-18-007273 · doc4.xml · nonDerivative · entry 2

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 229,401

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.

F4 · shares: On February 1, 2016, the Reporting Person was granted 80,000 RSUs under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2017, January 31, 2018 and January 31, 2019. The second vesting event occurred on January 31, 2018.

F3 · price: Not applicable.

SEC source: 0001209191-18-007273 · doc4.xml · nonDerivative · entry 1

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 202,734

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 · shares: On February 2, 2015, the Reporting Person was granted 182,813 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2016, January 31, 2017 and January 31, 2018. The third and final vesting event occurred on January 31, 2018.

F3 · price: Not applicable.

SEC source: 0001209191-18-007272 · doc4.xml · derivative · entry 8

Kennedy Joseph T · CIK 0001408920 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,000

Underlying: Ordinary Shares · 36,000 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.

F9 · 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 1, 2017, the Reporting Person was granted 108,000 RSUs under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2018, January 31, 2019 and January 31, 2020. The first vesting event occurred on January 31, 2018.

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: 0001209191-18-007272 · doc4.xml · derivative · entry 7

Kennedy Joseph T · CIK 0001408920 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,666

Underlying: Ordinary Shares · 26,667 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.

F9 · security: Each 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 February 1, 2016, the Reporting Person was granted 80,000 RSUs under the Amarin Corporation plc 2011 Stock Inventive Plan. These RSUs vest in three equal installments on each of January 31, 2017, January 31, 2018 and January 31, 2019. The second vesting event occurred on January 31, 2018.

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: 0001209191-18-007272 · doc4.xml · derivative · entry 6

Kennedy Joseph T · CIK 0001408920 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 60,937 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.

F9 · 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 2, 2015, the Reporting Person was granted 182,813 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2016, January 31, 2017 and January 31, 2018. The third and final vesting event occurred on January 31, 2018.

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.

F10 · balance_after: Please see the section titled "Remarks" below for additional information.

SEC source: 0001209191-18-007272 · doc4.xml · nonDerivative · entry 5

Kennedy Joseph T · CIK 0001408920 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,434

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

F7 · kind: Sales made pursuant to a 10b5-1 trading plan dated December 9, 2016.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.70 to $3.80, 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.

SEC source: 0001209191-18-007272 · doc4.xml · nonDerivative · entry 4

Kennedy Joseph T · CIK 0001408920 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,291

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

F6 · 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: 0001209191-18-007272 · doc4.xml · nonDerivative · entry 3

Kennedy Joseph T · CIK 0001408920 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 123,604

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 · shares: On February 1, 2017, the Reporting Person was granted 108,000 RSUs under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2018, January 31, 2019 and January 31, 2020. The first vesting event occurred on January 31, 2018.

F3 · price: Not applicable.

SEC source: 0001209191-18-007272 · doc4.xml · nonDerivative · entry 2

Kennedy Joseph T · CIK 0001408920 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,604

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.

F4 · shares: On February 1, 2016, the Reporting Person was granted 80,000 RSUs under the Amarin Corporation plc 2011 Stock Inventive Plan. These RSUs vest in three equal installments on each of January 31, 2017, January 31, 2018 and January 31, 2019. The second vesting event occurred on January 31, 2018.

F3 · price: Not applicable.

SEC source: 0001209191-18-007272 · doc4.xml · nonDerivative · entry 1

Kennedy Joseph T · CIK 0001408920 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,937

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 · shares: On February 2, 2015, the Reporting Person was granted 182,813 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2016, January 31, 2017 and January 31, 2018. The third and final vesting event occurred on January 31, 2018.

F3 · price: Not applicable.

SEC source: 0001209191-18-007271 · doc4.xml · derivative · entry 3

Kalb Michael Wayne · CIK 0001678248 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,000

Underlying: Ordinary Shares · 29,000 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 1, 2017, the Reporting Person was granted 87,000 restricted stock units (the "RSUs") under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2018, January 31, 2019 and January 31, 2020. The first vesting event occurred on January 31, 2018.

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: 0001209191-18-007271 · doc4.xml · nonDerivative · entry 2

Kalb Michael Wayne · CIK 0001678248 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,996

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: 0001209191-18-007271 · doc4.xml · nonDerivative · entry 1

Kalb Michael Wayne · CIK 0001678248 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,000

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 · shares: On February 1, 2017, the Reporting Person was granted 87,000 restricted stock units (the "RSUs") under the Amarin Corporation plc 2011 Stock Incentive Plan. These RSUs vest in three equal installments on each of January 31, 2018, January 31, 2019 and January 31, 2020. The first vesting event occurred on January 31, 2018.

F3 · price: Not applicable.

SEC source: 0001209191-18-004978 · 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 · 135,205 shares

Expires 2024-01-08

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 · derivative.exercise_date: On January 8, 2014, the Reporting Person was granted an option to purchase 202,500 Ordinary Shares under the Amarin Corporation plc 2011 Stock Incentive Plan. The shares subject to this option are fully vested and exercisable as of the date of this Form 4.

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

SEC source: 0001209191-18-004978 · doc4.xml · nonDerivative · entry 2

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,797

F1 · security: The exercise and sale transaction reported in the Form 4 is made pursuant to a Rule 10b5-1 plan.

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

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.40 to $4.45, inclusive. The Reporting Person has provided the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of Ordinary Shares sold at each separate price.

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

SEC source: 0001209191-18-004978 · doc4.xml · nonDerivative · entry 1

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 277,002

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 exercise and sale transaction reported in the Form 4 is made pursuant to a Rule 10b5-1 plan.

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

SEC source: 0001209191-18-004062 · doc4.xml · nonDerivative · entry 3

Kennedy Joseph T · CIK 0001408920 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · security: Sales made pursuant to a 10b5-1 trading plan dated December 9, 2016.

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

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.975 to $4.12, inclusive. The Reporting Person has provided the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of Ordinary Shares sold at each separate price

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

SEC source: 0001209191-18-004062 · doc4.xml · nonDerivative · entry 2

Kennedy Joseph T · CIK 0001408920 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,519

F1 · security: Sales made pursuant to a 10b5-1 trading plan dated December 9, 2016.

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

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.10 to $4.315, inclusive. The Reporting Person has provided the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of Ordinary Shares sold at each separate price.

SEC source: 0001209191-18-004062 · doc4.xml · nonDerivative · entry 1

Kennedy Joseph T · CIK 0001408920 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,519

F1 · security: Sales made pursuant to a 10b5-1 trading plan dated December 9, 2016.

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

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.27 to $4.30, inclusive. The Reporting Person has provided the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of Ordinary Shares sold at each separate price.

SEC source: 0001209191-18-003659 · doc4.xml · derivative · entry 3

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 135,205

Underlying: Ordinary Shares · 2,612 shares

Expires 2024-01-08

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 · derivative.exercise_date: On January 8, 2014, the Reporting Person was granted an option to purchase 202,500 Ordinary Shares under the Amarin Corporation plc 2011 Stock Incentive Plan. The shares subject to this option are fully vested and exercisable as of the date of this Form 4.

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

SEC source: 0001209191-18-003659 · doc4.xml · nonDerivative · entry 2

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,797

F1 · security: The exercise and sale transaction reported in the Form 4 is made pursuant to a Rule 10b5-1 plan.

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

F3 · balance_after: Please see the section titled "Remarks" below for additional information.

SEC source: 0001209191-18-003659 · doc4.xml · nonDerivative · entry 1

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 144,409

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 exercise and sale transaction reported in the Form 4 is made pursuant to a Rule 10b5-1 plan.

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

SEC source: 0001209191-18-003008 · doc4.xml · derivative · entry 3

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 137,817

Underlying: Ordinary Shares · 64,683 shares

Expires 2024-01-08

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 · derivative.exercise_date: On January 8, 2014, the Reporting Person was granted an option to purchase 202,500 Ordinary Shares under the Amarin Corporation plc 2011 Stock Incentive Plan. The shares subject to this option are fully vested and exercisable as of the date of this Form 4.

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

SEC source: 0001209191-18-003008 · doc4.xml · nonDerivative · entry 2

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,797

F1 · security: The exercise and sale transaction reported in the Form 4 is made pursuant to a Rule 10b5-1 plan.

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

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.40 to $4.41, inclusive. The Reporting Person has provided the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of Ordinary Shares sold at each separate price.

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

SEC source: 0001209191-18-003008 · doc4.xml · nonDerivative · entry 1

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 206,480

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 exercise and sale transaction reported in the Form 4 is made pursuant to a Rule 10b5-1 plan.

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

SEC source: 0001209191-18-002255 · doc4.xml · derivative · entry 5

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,104

Underlying: Ordinary Shares · 59,896 shares

Expires 2026-02-01

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 · derivative.exercise_date: On February 1, 2016, the Reporting Person was granted an option to purchase 125,000 Ordinary Shares under the Amarin Corporation plc 2011 Stock Incentive Plan. The shares subject to this option vests in 48 equal monthly installments on the last day of each month which started on February 28, 2016.

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

SEC source: 0001209191-18-002255 · doc4.xml · derivative · entry 4

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,389

Underlying: Ordinary Shares · 68,361 shares

Expires 2025-02-02

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 · derivative.exercise_date: On February 2, 2015, the Reporting Person was granted an option to purchase 93,750 Ordinary Shares under the Amarin Corporation plc 2011 Stock Incentive Plan. The shares subject to this option vests in 48 equal monthly installments on the last day of each month which started on February 28, 2015.

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

SEC source: 0001209191-18-002255 · doc4.xml · nonDerivative · entry 3

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,797

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

F2 · kind: Sales made pursuant to a Rule 10b5-1 trading plan.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.25 to $4.255, inclusive. The Reporting Person has provided the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of Ordinary Shares sold at each separate price.

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

SEC source: 0001209191-18-002255 · doc4.xml · nonDerivative · entry 2

Ketchum Steven B · CIK 0001289884 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 270,054

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 represents one Ordinary Share.