Paterson Dan 4

What Happened
Dan Paterson, President & CEO and a director of Verastem, Inc. (VSTM), reported a sale of 20,871 shares on 2026-06-22 at $4.18 per share, totaling $87,241. The sale was reported as a disposition (code S) and—per the filing footnote—was made to satisfy statutory tax withholding obligations related to the vesting of restricted stock units (RSUs).

Key Details

• Transaction date: 2026-06-22; price: $4.18 per share; total proceeds: $87,241.
• Transaction type/code: Sale (S); reported as open market or private sale but footnote states it was to cover tax withholding on vested RSUs.
• Shares owned after the transaction: Not disclosed in this Form 4.
• Filing date: 2026-06-24 (reported within the normal 2-business-day window).
• Footnote: Sale represents shares sold to satisfy statutory withholding for RSU vesting.

Context
Withholding sales tied to RSU vesting are common and typically routine tax-related transactions rather than a direct signal of the insider's view on the company's prospects. This filing is informational and was reported in a timely manner; no purchase, option exercise, or 10b5-1 plan was indicated in this report.