Calkins Daniel 4
4 · Verastem, Inc. · Filed Mar 23, 2026
Research Summary
AI-generated summary of this filing
Verastem (VSTM) CFO Daniel Calkins Sells 57 Shares for Tax Withholding
What Happened Daniel Calkins, Chief Financial Officer of Verastem, reported a vesting-related transaction: 57 shares (from restricted stock units) were reported as disposed at $5.74 per share, totaling $327. The sale was executed to satisfy statutory tax withholding obligations connected with the RSU vesting.
Key Details
- Transaction date: 2026-03-20
- Report filed: 2026-03-23 (timely filed)
- Price and proceeds: 57 shares × $5.74 = $327
- Shares owned after the transaction: Not specified in this Form 4
- Footnote: The sale represents shares sold to satisfy statutory withholding on RSU vesting
- Transaction code: A (award/acquisition) with disposition for tax withholding (reported as sale)
Context This was not an open-market sale for investment purposes but a routine withholding sale tied to RSU vesting—a common practice where some vested shares are sold to cover required taxes. Such tax-withholding disposals are generally administrative and do not necessarily indicate the insider’s view on the company’s stock.
Insider Transaction Report
Form 4
Verastem, Inc.VSTM
Calkins Daniel
Chief Financial Officer
Transactions
- Award
Common Stock
[F1]2026-03-20$5.74/sh−57$327→ 121,327 total
Footnotes (1)
- [F1]The sale reported on this Form 4 represents shares sold by the Reporting Person to satisfy statutory withholding requirements in connection with the vesting of restricted stock units.
Signature
/s/ Daniel Calkins|2026-03-23