Form4insider filings, from the source

Insider · CIK 0002023732

Gregory Austin Ciongoli

Files at: GOSS, RGNX, ATRA. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $949k · 1sales $0 · 0net $949k
$10k$10k$100k$100k$1M$1MbuyssalesAug 26Aug 31Sep 5Sep 10Sep 16Sep 21Sep 26

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 26, 2026 PForm 4 →Aug 27, 7:03 pm EDTREGENXBIO Inc.RGNX102,603$9.25$949,381118,035+665%

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 23, 2026 AForm 4 →Sep 25, 5:01 pm EDTGossamer Bio, Inc.GOSS30,000——30,000—