Form4insider filings, from the source

Company · CIK 0001789972 · SIC 2836 — Biological Products, (No Diagnostic Substances) · Nasdaq

Cullinan Therapeutics, Inc. · CGEM

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $173k · 1net −$173k
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 17Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 8, 2026 SForm 4 →Sep 10, 9:22 am EDTJennifer MichaelsonChief Scientific Officer8,000$21.57$172,560158,844−4.79%10b5-1
Sep 8, 2026 MForm 4 →Sep 10, 9:22 am EDTJennifer MichaelsonChief Scientific Officer4,000$4.30$17,200166,844—10b5-1

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

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 8, 2026 MForm 4 →Sep 10, 9:22 am EDTJennifer MichaelsonChief Scientific Officer4,000——78,987—10b5-1