AMARIN CORP PLC\UK·4

Apr 21, 5:00 PM ET

Cohen Paul 4

4 · AMARIN CORP PLC\UK · Filed Apr 21, 2026

Research Summary

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Amarin (AMRN) Director Paul Cohen Exercises/Converts RSUs; Tax Withholding

What Happened
Paul Cohen, a director of Amarin Corporation plc (AMRN), had 838 shares acquired on April 18, 2026 through the exercise/conversion of a derivative (RSUs). Of those, 403 shares were withheld by the issuer to satisfy tax withholding obligations at $14.98 per share, totaling $6,037. The underlying RSUs were originally granted April 18, 2024 and vested in part on April 18, 2026.

Key Details

  • Transaction date: April 18, 2026. Filing date: April 21, 2026.
  • Acquired: 838 shares via exercise/conversion of a derivative (reported as code M).
  • Tax withholding: 403 shares withheld (code F) at $14.98 per share = $6,037; withholding is issuer-retained shares, not an open-market sale (footnote F4).
  • Price shown for the derivative conversion: $0.00 (no cash exercise price for the vested RSUs).
  • Footnotes: F1 notes a prior ADS ratio change (1 ADS = 20 ordinary shares) and that reported amounts reflect that change; F2 explains the RSU grant and vesting schedule (granted 4/18/2024, vesting in three installments on 4/18/2025, 4/18/2026, 4/18/2027); F5 clarifies each RSU represents a contingent right to 20 ordinary shares or cash.
  • Shares owned after the transaction: not disclosed in the provided excerpt.

Context
This was a routine vesting/conversion of equity awards (RSUs) with shares withheld to cover taxes — not an open‑market sale. For retail investors, such withholding is administrative and does not necessarily indicate directional insider sentiment. The filing shows conversion/exercise of derivative awards rather than a cash purchase.

Insider Transaction Report

Form 4
Period: 2026-04-18
Cohen Paul
Director
Transactions
  • Exercise/Conversion

    American Depositary Shares

    [F1][F2][F3]
    2026-04-18+8381,239 total
  • Tax Payment

    American Depositary Shares

    [F1][F4]
    2026-04-18$14.98/sh403$6,037836 total
  • Exercise/Conversion

    Restricted Stock Unit

    [F5][F1][F2][F3]
    2026-04-18+838838 total
    Exercise: $0.00American Depositary Shares (838 underlying)
Footnotes (5)
  • [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.
  • [F2]On April 18, 2024, following the conclusion of the Issuer's annual general meeting of shareholders for 2024, the Reporting Person was granted 2,514 RSUs under the Amarin Corporation plc 2020 Stock Incentive Plan (the "Plan"). These RSUs vest in three equal installments on each of April 18, 2025, April 18, 2026 and April 18, 2027.
  • [F3]Not applicable.
  • [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.
  • [F5]Each RSU represents a contingent right to receive twenty Ordinary Shares or cash in lieu thereof at the Issuer's discretion.
Signature
/s/ Jonathan Provoost, by power of attorney|2026-04-21

Documents

1 file
  • 4
    ownership.xmlPrimary

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