Form4insider filings, from the source

Insider · CIK 0002105552

Brendan R. Winslow

Files at: RNA. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 18, 2026 FForm 4 →Sep 22, 4:17 pm EDTAtrium Therapeutics, Inc.RNA6,742$8.95$60,34136,859—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.