Gaffin David Joseph 4
4 · Alkermes plc. · Filed Feb 27, 2026
Research Summary
AI-generated summary of this filing
Alkermes EVP David Gaffin Exercises Options; Shares Withheld
What Happened
- David Joseph Gaffin, EVP and CLO of Alkermes plc (ALKS), exercised/conversion of derivatives for 6,866 shares on 2026-02-26. To satisfy tax withholding related to the transaction, 3,049 shares were withheld/disposed at $30.73 each, generating $93,696. Net shares received by Gaffin were 3,817 (6,866 exercised minus 3,049 withheld). The filing was submitted on 2026-02-27.
Key Details
- Transaction date: 2026-02-26; Form 4 filed: 2026-02-27 (appears timely).
- Exercise/Conversion (code M): 6,866 shares acquired (exercise/conversion; per-share exercise price listed as N/A in the filing).
- Tax withholding (code F): 3,049 shares disposed at $30.73/share = $93,696 to cover tax liability.
- Net shares delivered to insider: 3,817 shares.
- Shares owned after transaction: not specified in the provided excerpt of the filing.
- Footnotes: F1 — each restricted stock unit (RSU) represents a contingent right to one ordinary share. F2 — RSU award vests in four equal annual installments beginning 2/26/2025.
- Codes explained: M = exercise/conversion of derivative; F = payment of exercise price or tax liability (shares withheld).
Context
- This appears to be a routine cashless/net-settlement style exercise where some shares are withheld to cover taxes rather than a market sale for cash. Such withholding transactions are common and typically reflect tax obligations rather than a directional bet on the stock. The RSU footnotes describe vesting terms for related awards; the filing does not indicate unusual insider timing or a late report.
Insider Transaction Report
Form 4
Alkermes plc.ALKS
Gaffin David Joseph
EVP, CLO, Alkermes, Inc.
Transactions
- Exercise/Conversion
Ordinary Shares
[F1]2026-02-26+6,866→ 242,743 total - Tax Payment
Ordinary Shares
2026-02-26$30.73/sh−3,049$93,696→ 239,694 total - Exercise/Conversion
Restricted Stock Unit Award
[F1][F2]2026-02-26−6,866→ 13,732 total→ Ordinary Shares (6,866 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 David Joseph Gaffin|2026-02-27