PTC THERAPEUTICS, INC.·4

Feb 20, 5:20 PM ET

Almstead Neil Gregory 4

4 · PTC THERAPEUTICS, INC. · Filed Feb 20, 2026

Research Summary

AI-generated summary of this filing

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PTC Therapeutics CTO Neil Almstead Sells 3,121 Shares

What Happened
Neil Gregory Almstead, Chief Technical Operations Officer at PTC Therapeutics (PTCT), sold a total of 3,121 shares on February 18, 2026 in two open-market/private-sale transactions at $69.36 per share. The transactions were: 3,056 shares for $211,964 and 65 shares for $4,508, for a combined value of about $216,472. These sales were automatic "sell-to-cover" transactions to satisfy tax-withholding obligations tied to vested restricted stock units (RSUs), not voluntary discretionary sales.

Key Details

  • Transaction date: 2026-02-18; Price: $69.36 per share.
  • Shares sold: 3,056 + 65 = 3,121 shares; Gross proceeds ≈ $216,472.
  • Shares owned after transaction: Not disclosed in the provided filing excerpt.
  • Footnotes: F1 and F2 state these were automatic sell-to-cover elections tied to vesting of RSUs from Feb 15, 2024 grants (F1 covers vesting of 4,750 RSUs from a 19,000-RSU grant and 3,000 RSUs from a 6,000-RSU grant; F2 covers 217 RSUs from an 870-RSU grant).
  • Filing timeliness: Report filed 2026-02-20 for transactions on 2026-02-18 — filed within the typical two-business-day Form 4 window.

Context
Sell-to-cover transactions are routine—they automatically liquidate a portion of newly vested RSUs to cover tax withholding and do not necessarily signal management sentiment about the stock. The filing notes the sales were tied to RSU vesting (i.e., not open-market, discretionary sales) and were executed pursuant to irrevocable sell-to-cover elections made when the grants were accepted.

Insider Transaction Report

Form 4
Period: 2026-02-18
Almstead Neil Gregory
CHIEF TECHNICAL OPS OFFICER
Transactions
  • Sale

    Common Stock

    [F1]
    2026-02-18$69.36/sh3,056$211,964112,140 total
  • Sale

    Common Stock

    [F2]
    2026-02-18$69.36/sh65$4,5086,726 total(indirect: By Spouse)
Footnotes (2)
  • [F1]Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 4,750 RSUs from a February 15, 2024 grant of 19,000 RSUs and the vesting of 3,000 RSUs from a February 15, 2024 grant of 6,000 RSUs.
  • [F2]Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 217 RSUs from a February 15, 2024 grant of 870 RSUs.
Signature
/s/ Avraham S. Adler, Attorney-in-Fact|2026-02-20

Documents

1 file
  • 4
    form4-02202026_050201.xmlPrimary