Form4insider filings, from the source

Company · CIK 0001755237 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

Korsana Biosciences, Inc. · KRSA

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported at this company — common stock

No reported common-stock activity in this period.

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

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 9, 2026 AForm 4 →Sep 10, 5:45 pm EDTMichelle Patricia PerniceDirector48,445——48,445—
Sep 9, 2026 AForm 4 →Sep 10, 5:45 pm EDTNimish P ShahDirector48,445——48,445—
Sep 9, 2026 AForm 4 →Sep 10, 5:44 pm EDTFairmount Funds Management LLC +4Director, 10% Owner48,445——48,445—
Sep 9, 2026 AForm 4 →Sep 10, 5:43 pm EDTAndrew GottesdienerDirector48,445——48,445—