Form4insider filings, from the source

Company · CIK 0001711279 · SIC 2836 — Biological Products, (No Diagnostic Substances) · Nasdaq

Krystal Biotech, Inc. · KRYS

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $18.0M · 2net −$18.0M
$10k$10k$1M$1M$100M$100MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 4, 2026 SForm 4 →Sep 4, 7:15 pm EDTSuma KrishnanPresident, R&D, Director, 10% Owner25,000$359.32$8,982,9861,302,145−1.88%10b5-1
Sep 4, 2026 SForm 4 →Sep 4, 7:14 pm EDTKrish S KrishnanPresident and CEO, Director, 10% Owner25,000$359.32$8,983,0841,347,543−1.82%10b5-1

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

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 14, 2026 AForm 4 →Sep 16, 8:05 pm EDTDino A RossiDirector1,658——471—
Sep 14, 2026 AForm 4 →Sep 16, 8:03 pm EDTEverett Rand SutherlandDirector1,658——471—
Sep 14, 2026 AForm 4 →Sep 16, 8:02 pm EDTCatherine MazzaccoDirector1,658——471—
Sep 14, 2026 AForm 4 →Sep 16, 8:01 pm EDTChristopher MasonDirector1,658——471—
Sep 14, 2026 AForm 4 →Sep 16, 8:01 pm EDTDaniel JanneyDirector1,658——471—
Sep 14, 2026 AForm 4 →Sep 16, 8:00 pm EDTJulian S GangolliDirector1,658——471—