Key facts
- This page summarizes Michael P. Bailey's Form 4 filing for Verastem, Inc. (VSTM).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 27 May 2026, 17:45.
Michael P. Bailey - 21 May 2026 Form 4 Insider Report for Verastem, Inc. (VSTM)
- Reporting relationship
- Director
- Issuer ticker
- VSTM
- Reported as of
- 21 May 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 27 May 2026, 17:45:40 UTC
- Prior SEC filing
- 19 Jan 2023
- Source filing
- View source filing
- Reporting owner signature
- /s/ Daniel Calkins, Attorney in Fact
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Michael P. Bailey filed Form 4 for Verastem, Inc. (VSTM) on 27 May 2026.
Change
- Previous filing in this sequence was filed on 19 Jan 2023.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001255856
Primary reporting owner
BAILEY MICHAEL P
- Relationship
- Director
- Address
- C/O VERASTEM, INC.,, 117 KENDRICK ST., SUITE 500, NEEDHAM
- Signature
- /s/ Daniel Calkins, Attorney in Fact
- Signature date
- 27 May 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
VSTM
transaction
Common Stock
Award
- Transaction value
- Shares
- +108,000
- Change %
- Price
- $0.000000*
- Shares after
- 108,000
- Date
- 21 May 2026
- Ownership
- Direct
- Footnotes
- F1, F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 2 footnotes
Footnote 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.
Footnote 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.