Verastem, Inc. — Director's Dealing 2026

Jan 8, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Verastem, Inc. (VSTM)
CIK: 0001526119
Period of Report: 2026-01-06

Reporting Person: Kauffman Michael (Director, President of Development)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-01-06	Stock Option (right to buy)	$6.88	A	200000	Acquired	2036-01-06	Common Stock (200000)	Direct

Footnotes

F1: The stock option vests 33.33% of the shares on the first anniversary of January 6, 2026 (the "Grant Date"), and an additional 8.33% will vest at the end of each successive three-month period following the first anniversary of the Grant Date until the third anniversary of the Grant Date (with the number of shares vesting on each vesting date rounded down to the nearest whole share, except with respect to the final vesting date on which all remaining unvested shares shall vest) provided that the Reporting Person continues to serve as an employee of or other service provider to the Issuer on each such vesting date.