Form4insider filings, from the source

Insider · CIK 0002046433

Charlotte McKee

Files at: SION. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 17, 2026 AForm 4 →Sep 18, 4:58 pm EDTSionna Therapeutics, Inc.SION100,000——128,415—

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 17, 2026 ADForm 4 →Sep 18, 4:58 pm EDTSionna Therapeutics, Inc.SION311,400——0—