Form4insider filings, from the source

Insider · CIK 0001298709

Krish S Krishnan

Files at: KRYS, PGEN. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $9.0M · 1net −$9.0M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesAug 27Sep 1Sep 6Sep 11Sep 17Sep 22Sep 27

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 4, 2026 SForm 4 →Sep 4, 7:14 pm EDTKrystal Biotech, Inc.KRYS25,000$359.32$8,983,0841,347,543−1.82%10b5-1

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.