X0306 4 2016-01-31 0 0000897448 AMARIN CORP PLC\UK AMRN 0001595763 Farrell Michael James C/O AMARIN PHARMA, INC. 1430 ROUTE 206 BEDMINSTER NJ 07921 0 1 0 0 VP, Finance Ordinary Shares 2016-01-31 4 M 0 6500 A 19037 D Ordinary Shares 2016-01-31 4 M 0 22750 A 41787 D Ordinary Shares 2016-01-31 4 F 0 11597 1.36 D 30190 D Restricted Stock Units 0.00 2016-01-31 4 M 0 6500 0.00 D Ordinary Shares 6500 6500 D Restricted Stock Units 0.00 2016-01-31 4 M 0 22750 0.00 D Ordinary Shares 22750 45500 D Restricted Stock Units 0.00 2016-02-01 4 A 0 35000 0.00 A Ordinary Shares 35000 35000 D Stock Option (right to buy) 1.40 2016-02-01 4 A 0 55000 1.40 A 2026-01-31 Ordinary Shares 55000 55000 D The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share. On January 8, 2014, the Reporting Person was granted 19,500 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, 2015, January 31, 2016 and January 31, 2017. The second vesting event occurred on January 31, 2016. Not applicable. On February 2, 2015, the Reporting Person was granted 68,250 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 first vesting event occurred on January 31, 2016. 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. Each RSU represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion. On February 1, 2016, the Reporting Person was granted 35,000 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. On February 1, 2016, the Reporting Person was granted an option to purchase 55,000 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 29, 2016. /s/ Michael Farrell 2016-02-02