AMARIN CORP PLC\UK — Director's Dealing 2021

Jun 7, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMARIN CORP PLC\UK (AMRN)
CIK: 0000897448
Period of Report: 2021-06-03

Reporting Person: STACK DAVID M (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-06-03	Ordinary Shares	P	5000	$4.623	Acquired	30000	Indirect
2021-06-04	Ordinary Shares	P	10000	$4.535	Acquired	40000	Indirect

Footnotes

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

F2: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $4.61 to $4.64, 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 purchased at each separate price within the range.

F3: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $4.46 to $4.58, 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 purchased at each separate price within the range.

F4: Please see the section title "Remarks" below for additional information.

F5: Shares held by Three Colleens Investment LLC, a limited liability company jointly owned and managed by the Reporting Person and his spouse. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.