Form4insider filings, from the source

Insider · CIK 0001838061

Jennifer Michaelson

Files at: CGEM. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $923k · 3net −$923k
$10k$10k$100k$100k$1M$1MbuyssalesJul 5Jul 16Jul 27Aug 7Aug 18Aug 29Sep 9

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 8, 2026 SForm 4 →Sep 10, 9:22 am EDTCullinan Therapeutics, Inc.CGEM8,000$21.57$172,560158,844−4.79%10b5-1
Sep 8, 2026 MForm 4 →Sep 10, 9:22 am EDTCullinan Therapeutics, Inc.CGEM4,000$4.30$17,200166,844—10b5-1
Aug 13, 2026 SForm 4 →Aug 14, 5:00 pm EDTCullinan Therapeutics, Inc.CGEM30,000$20.26$607,800162,844−15.6%10b5-1
Aug 13, 2026 MForm 4 →Aug 14, 5:00 pm EDTCullinan Therapeutics, Inc.CGEM30,000$4.30$129,000192,844—10b5-1
Jul 6, 2026 SForm 4 →Jul 7, 5:00 pm EDTCullinan Therapeutics, Inc.CGEM8,000$17.82$142,560162,844−4.68%10b5-1
Jul 6, 2026 MForm 4 →Jul 7, 5:00 pm EDTCullinan Therapeutics, Inc.CGEM4,000$4.30$17,200170,844—10b5-1

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 8, 2026 MForm 4 →Sep 10, 9:22 am EDTCullinan Therapeutics, Inc.CGEM4,000——78,987—10b5-1
Aug 13, 2026 MForm 4 →Aug 14, 5:00 pm EDTCullinan Therapeutics, Inc.CGEM30,000——82,987—10b5-1
Jul 6, 2026 MForm 4 →Jul 7, 5:00 pm EDTCullinan Therapeutics, Inc.CGEM4,000——112,987—10b5-1