AMARIN CORP PLC\UK — Director's Dealing 2020

Nov 12, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMARIN CORP PLC\UK (AMRN)
CIK: 0000897448
Period of Report: 2020-11-09

Reporting Person: THERO JOHN F (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-11-09	Ordinary Shares	M	134739.00	$3.40	Acquired	2691144.00	Direct
2020-11-10	Ordinary Shares	M	615261.00	$3.40	Acquired	3306405.00	Direct
2020-11-10	Ordinary Shares	S	153840.00	$4.134	Disposed	3152565.00	Direct
2020-11-11	Ordinary Shares	S	413565.00	$4.0651	Disposed	2739000.00	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-11-09	Stock Option (Right to Buy)	$3.40	M	134739.00	Disposed	2020-11-10	Ordinary Shares (134739.00)	Direct
2020-11-10	Stock Option (Right to Buy)	$3.40	M	615261.00	Disposed	2020-11-10	Ordinary Shares (615261.00)	Direct

Footnotes

F1: Acquisitions reported in this Form 4 pertain to exercises of stock options scheduled to expire on Nov. 10, 2020. In the first of the reported acquisitions, dated Nov. 9, 2020, 134,739 shares were acquired for $500,000, in cash, covering the exercise price of the stock options and the related taxes. The second acquisition, dated Nov. 10, 2020, involved shares acquired by the Reporting Person for cash offset by proceeds from sales of a portion of the acquired shares with the net remaining shares, after paying for cost for this second acquisition including taxes, added to the holdings of the Reporting Person. The result of these transactions, for cash and other consideration paid, was a net increase in shares held by the Reporting Person of 182,595 shares.

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

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.11 to $4.16, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.01 to $4.14, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

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

F6: The stock option granted to the Reporting Person is fully vested as of the date hereof.