Alkermes plc.·4

Feb 27, 4:39 PM ET

Jackson Blair Curtis 4

4 · Alkermes plc. · Filed Feb 27, 2026

Research Summary

AI-generated summary of this filing

Updated

Alkermes COO Jackson Curtis Exercises RSUs, Withholds 3,695 Shares

What Happened
Jackson Blair Curtis, Chief Operating Officer of Alkermes plc (ALKS), had 8,322 restricted stock units (RSUs) convert to ordinary shares on 2026-02-26. To satisfy tax withholding, 3,695 of those shares were surrendered at $30.73 per share for a withholding amount of $113,547. Net shares received by Curtis were 4,627 (8,322 converted minus 3,695 withheld). This was a scheduled RSU settlement and not an open-market purchase or sale.

Key Details

  • Transaction date: 2026-02-26; Form 4 filed 2026-02-27 (timely filing).
  • Converted/acquired: 8,322 shares via exercise/conversion of a derivative (code M).
  • Withheld/disposed for taxes: 3,695 shares at $30.73 per share, total $113,547 (code F).
  • Net shares received: 4,627.
  • Shares owned after transaction: not disclosed in the provided filing.
  • Footnotes: F1 — each RSU equals the right to one ordinary share; F2 — the RSUs vest in four equal annual installments beginning 2/26/2025.
  • Transaction codes: M = exercise/conversion of derivative (RSU settlement); F = shares withheld to cover tax liability.

Context
This was a routine RSU vesting/settlement with shares withheld for taxes (common practice). It is not an open-market buy or sale that signals a trading view; it reflects compensation vesting under a multi-year schedule.

Insider Transaction Report

Form 4
Period: 2026-02-26
Jackson Blair Curtis
EVP, Chief Operating Officer
Transactions
  • Exercise/Conversion

    Ordinary Shares

    [F1]
    2026-02-26+8,322245,003 total
  • Tax Payment

    Ordinary Shares

    2026-02-26$30.73/sh3,695$113,547241,308 total
  • Exercise/Conversion

    Restricted Stock Unit Award

    [F1][F2]
    2026-02-268,32216,645 total
    Ordinary Shares (8,322 underlying)
Footnotes (2)
  • [F1]Each restricted stock unit represents a contingent right to receive one ordinary share.
  • [F2]Shares subject to the restricted stock unit award vest in four equal annual installments, commencing on 2/26/2025.
Signature
/s/ Shantale Greenson, attorney-in-fact for Blair C. Jackson|2026-02-27

Documents

1 file
  • 4
    form4.xmlPrimary

    PRIMARY DOCUMENT