Form4insider filings, from the source

Company · CIK 0001526119 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

Verastem, Inc. · VSTM

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $112k · 4net −$112k
$10k$10k$100k$100k$1M$1MbuyssalesSep 2024Jan 2025May 2025Sep 2025Jan 2026May 2026Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 21, 2026 SForm 4 →Sep 23, 8:10 pm EDTDaniel CalkinsChief Financial Officer55$7.70$424118,014−0.05%10b5-1
Aug 3, 2026 SForm 4 →Aug 5, 4:37 pm EDTDan PatersonPresident and CEO, Director1,302$5.81$7,565589,940−0.22%10b5-1
Jun 22, 2026 SForm 4 →Jun 24, 4:45 pm EDTDan PatersonPresident and CEO, Director20,871$4.18$87,241591,242−3.41%10b5-1
Jun 22, 2026 SForm 4 →Jun 24, 4:44 pm EDTDaniel CalkinsChief Financial Officer4,089$4.18$17,089117,238−3.37%10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.