Peter L. Fishman - 31 Jan 2026 Form 4 Insider Report for AMARIN CORP PLC\UK (AMRN)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
03 Feb 2026, 19:00:06 UTC
Prior SEC filing
06 Jan 2026
Next SEC filing
02 Apr 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Jonathan Provoost, by power of attorney

Key filing fact

Peter L. Fishman filed Form 4 for AMARIN CORP PLC\UK (AMRN) on 03 Feb 2026.

Key facts

  • This page summarizes Peter L. Fishman's Form 4 filing for AMARIN CORP PLC\UK (AMRN).
  • 8 reported transactions and 4 derivative rows are listed below.
  • Accepted by SEC: 03 Feb 2026, 19:00.

Change

  • Previous filing in this sequence was filed on 06 Jan 2026.
  • Current net transaction value: -$20,324.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002042862 Primary reporting owner

Fishman Peter L.

Relationship
SVP, CFO
Address
C/O AMARIN PHARMA, INC., 440 US HIGHWAY 22, BRIDGEWATER
Signature
/s/ Jonathan Provoost, by power of attorney
Signature date
03 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AMRN transaction

American Depositary Shares

Options Exercise

Transaction value
Shares
+563
Change %
+11%
Price
Shares after
5,642
Date
31 Jan 2026
Ownership
Direct
Footnotes
F1, F2, F3
AMRN transaction

American Depositary Shares

Tax liability

Transaction value
$4,780
Shares
-310
Change %
-5.5%
Price
$15.42
Shares after
5,332
Date
31 Jan 2026
Ownership
Direct
Footnotes
F1, F4
AMRN transaction

American Depositary Shares

Options Exercise

Transaction value
Shares
+1,833
Change %
+34%
Price
Shares after
7,165
Date
31 Jan 2026
Ownership
Direct
Footnotes
F1, F3, F5
AMRN transaction

American Depositary Shares

Tax liability

Transaction value
$15,543
Shares
-1,008
Change %
-14%
Price
$15.42
Shares after
6,157
Date
31 Jan 2026
Ownership
Direct
Footnotes
F1, F4

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

AMRN transaction Derivative

Restricted Stock Unit

Options Exercise

Transaction value
$0
Shares
+563
Change %
Price
$0.000000
Shares after
0
Date
31 Jan 2026
Ownership
Direct
Underlying class
American Depositary Shares
Underlying amount
563
Exercise price
$0.000000
Footnotes
F1, F2, F3, F6
AMRN transaction Derivative

Restricted Stock Unit

Options Exercise

Transaction value
$0
Shares
+1,833
Change %
Price
$0.000000
Shares after
1,833
Date
31 Jan 2026
Ownership
Direct
Underlying class
American Depositary Shares
Underlying amount
1,833
Exercise price
$0.000000
Footnotes
F1, F3, F5, F6
AMRN transaction Derivative

Restricted Stock Unit

Award

Transaction value
$0
Shares
+6,167
Change %
Price
$0.000000
Shares after
6,167
Date
01 Feb 2026
Ownership
Direct
Underlying class
American Depositary Shares
Underlying amount
6,167
Exercise price
$0.000000
Footnotes
F1, F3, F6, F7
AMRN transaction Derivative

Stock Option (right to buy)

Award

Transaction value
$0
Shares
+27,750
Change %
Price
$0.000000
Shares after
27,750
Date
01 Feb 2026
Ownership
Direct
Underlying class
American Depositary Shares
Underlying amount
27,750
Exercise price
$14.99
Footnotes
F1, F8
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 8 footnotes

Footnote F1

Effective April 11, 2025, the Issuer implemented a ratio change that one (1) American Depositary Share ("ADS") currently represents twenty (20) Ordinary Shares ("ADS Ratio Change"). Proportionate adjustments were made to the Issuer's outstanding equity awards. The amount of securities reported on this Form 4 reflect the ADS Ratio Change.

Footnote F2

On February 1, 2023, the Reporting Person was granted 1,690 Restricted Stock Units ("RSUs") under the Amarin Corporation plc 2011 Stock Incentive Plan (the "Plan"). These RSUs vest in three equal installments on each of January 31, 2024, January 31, 2025, and January 31, 2026.

Footnote F3

Not applicable.

Footnote F4

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.

Footnote F5

On February 1, 2024, the Reporting Person was granted 5,500 RSUs under the Amarin Corporation plc 2011 Stock Incentive Plan (the "Plan"). These RSUs vest in three equal installments on each of January 31, 2025, January 31, 2026, and January 31, 2027.

Footnote F6

Each RSU represents a contingent right to receive twenty Ordinary Shares or cash in lieu thereof at the Issuer's discretion.

Footnote F7

On February 1, 2026, the Reporting Person was granted 6,167 RSUs under the Plan. These RSUs vest in three equal installments on each of January 31, 2027, January 31, 2028 and January 31, 2029.

Footnote F8

On February 1, 2026, the Reporting Person was granted an option to purchase 27,750 ADSs under the Plan. The shares subject to this option shall vest and become exercisable over three years, with 33% to vest on the first anniversary of the grant date and the balance to vest ratably over the subsequent 8 calendar quarters on the first day of each May, August, November and February.

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