Dan Paterson - 05 Dec 2025 Form 4 Insider Report for Verastem, Inc. (VSTM)

Signature
/s/ Daniel Calkins, Attorney in Fact
Issuer symbol
VSTM
Transactions as of
05 Dec 2025
Net transactions value
-$62,720
Form type
4
Filing time
09 Dec 2025, 17:03:16 UTC
Previous filing
04 Dec 2025
Next filing
12 Dec 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Paterson Dan President and CEO, Director C/O VERASTEM, INC.,, 117 KENDRICK ST., SUITE 500, NEEDHAM /s/ Daniel Calkins, Attorney in Fact 09 Dec 2025 0001563202

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction VSTM Common Stock Sale $21,220 -2,000 -0.48% $10.61 418,818 05 Dec 2025 Direct F1
transaction VSTM Common Stock Sale $21,000 -2,000 -0.48% $10.50 416,818 08 Dec 2025 Direct F1
transaction VSTM Common Stock Sale $20,500 -2,000 -0.48% $10.25 414,818 09 Dec 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Explanation of Responses:

Id Content
F1 The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.