Verastem, Inc.·4

May 27, 5:45 PM ET

BAILEY MICHAEL P 4

4 · Verastem, Inc. · Filed May 27, 2026

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Verastem (VSTM) Director Michael P. Bailey Receives RSU Grant

What Happened
Michael P. Bailey, a director of Verastem, Inc. (VSTM), was granted a total of 108,000 restricted stock units (RSUs) on May 21, 2026. The award is reported as an "A" (award/acquisition) at $0.00 per share (i.e., stock-based compensation, no cash paid). The grant consists of 36,000 RSUs as an annual grant and 72,000 RSUs as an initial/appointment grant; each RSU represents the contingent right to receive one share of Verastem common stock upon vesting.

Key Details

  • Transaction date and filing: Transaction date — 2026-05-21; Form 4 filed 2026-05-27.
  • Aggregate grant: 108,000 RSUs reported at $0.00 (no cash exchanged).
  • Vesting — Annual Grant (36,000 RSUs): vests in 12 substantially equal installments; first 11 monthly installments from June 2026 through April 2027, final installment vests on the earlier of the day before the 2027 annual meeting or May 31, 2027, subject to continued service.
  • Vesting — Initial Grant (72,000 RSUs): vests in 12 substantially equal installments on each quarterly anniversary of May 21, 2026, and fully vests three years from the start date (May 21, 2029), subject to continued service.
  • Shares owned after transaction: not specified in the provided filing.
  • Filing timeliness: Form 4 was filed six days after the transaction (May 27 for a May 21 grant); insiders are generally required to file Form 4 within two business days, so this appears later than the usual deadline.
  • No indication in the filing of tax withholding, sales, or a 10b5-1 plan related to these awards.

Context
RSU grants are a form of non-cash equity compensation that convert to shares only upon vesting (here, conditioned on continued board service). This award increases the director’s potential future stake but does not immediately change share ownership or raise cash for the company. Such grants are common for new directors and annual director compensation; they are not direct buy/sell signals but are important to track for future insider ownership and potential future share issuances upon vesting.

Insider Transaction Report

Form 4
Period: 2026-05-21
Transactions
  • Award

    Common Stock

    [F1][F2]
    2026-05-21+108,000108,000 total
Footnotes (2)
  • [F1]36,000 restricted stock units granted to the Reporting Person as an annual grant under the Issuer's Amended and Restated 2021 Equity Incentive Plan ("Annual Grant RSUs"). Each Annual Grant RSU represents the contingent right to receive one share of Common Stock. The Annual Grant RSUs vest in twelve substantially equal installments (rounded down to the nearest whole share on each vesting date except with respect to the final vesting date on which the remaining unvested portion shall vest). The first eleven installments shall vest beginning on the last day of each month over a period from June, 2026 to April, 2027 and the last installment shall vest on the earlier of (i) the day before the 2027 Annual Meeting of Stockholders is held or (ii) May 31, 2027, provided that the Reporting Person continues to serve as a director of the Issuer on each such vesting date.
  • [F2]72,000 restricted stock units granted to the Reporting Person as an initial grant under the Issuer's Amended and Restated 2021 Equity Incentive Plan ("Initial Grant RSUs"). Each Initial Grant RSU represents the contingent right to receive one share of Common Stock. The Initial Grant RSUs vest in twelve substantially equal installments (rounded down to the nearest whole share on each vesting date except with respect to the final vesting date on which the remaining unvested portion shall vest) on each quarterly anniversary of May 21, 2026 (the "Start Date") until the award is fully vested on the date that is three (3) years from the Start Date, provided that the Reporting Person continues to serve as a director of the Issuer on each such vesting date.
Signature
/s/ Daniel Calkins, Attorney in Fact|2026-05-27

Documents

1 file
  • 4
    tm2615478-6_4seq1.xmlPrimary

    OWNERSHIP DOCUMENT