ironstocklab

Krishnan Suma

President, R&D · 63 insider transactions on file

All transactions

DateTickerCompanyTypeSharesPriceValueFiling
2026-06-04KRYSKrystal Biotech, Inc.Sale12,729$307.81$3.9Mfiling
2026-06-04KRYSKrystal Biotech, Inc.Sale3,803$308.89$1.2Mfiling
2026-06-04KRYSKrystal Biotech, Inc.Sale2,801$309.95$868,156.23filing
2026-06-04KRYSKrystal Biotech, Inc.Sale2,039$310.94$634,000.54filing
2026-06-04KRYSKrystal Biotech, Inc.Sale1,348$307.09$413,963.79filing
2026-06-04KRYSKrystal Biotech, Inc.Sale593$302.25$179,234.72filing
2026-06-04KRYSKrystal Biotech, Inc.Sale480$305.87$146,815.20filing
2026-06-04KRYSKrystal Biotech, Inc.Sale400$304.89$121,957.56filing
2026-06-04KRYSKrystal Biotech, Inc.Sale320$300.75$96,240.00filing
2026-06-04KRYSKrystal Biotech, Inc.Sale247$303.17$74,883.06filing
2026-06-04KRYSKrystal Biotech, Inc.Sale240$311.65$74,796.00filing
2026-03-04KRYSKrystal Biotech, Inc.Sale6,000$265.16$1.6Mfiling
2026-03-04KRYSKrystal Biotech, Inc.Sale4,852$264.64$1.3Mfiling
2026-03-04KRYSKrystal Biotech, Inc.Sale3,667$260.37$954,762.49filing
2026-03-04KRYSKrystal Biotech, Inc.Sale2,931$261.41$766,198.28filing
2026-03-04KRYSKrystal Biotech, Inc.Sale2,248$263.58$592,534.81filing
2026-03-04KRYSKrystal Biotech, Inc.Sale1,938$262.35$508,430.23filing
2026-03-04KRYSKrystal Biotech, Inc.Sale1,700$266.42$452,918.08filing
2026-03-04KRYSKrystal Biotech, Inc.Sale668$259.61$173,419.15filing
2026-03-04KRYSKrystal Biotech, Inc.Sale589$258.54$152,280.30filing
2026-03-04KRYSKrystal Biotech, Inc.Sale407$257.32$104,728.67filing
2026-02-27KRYSKrystal Biotech, Inc.Tax withholding11,942$275.64$3.3Mfiling
2026-02-27KRYSKrystal Biotech, Inc.Tax withholding10,236$275.64$2.8Mfiling
2026-02-27KRYSKrystal Biotech, Inc.Tax withholding3,981$275.64$1.1Mfiling
2026-02-27KRYSKrystal Biotech, Inc.Tax withholding2,605$275.64$718,042.20filing
2026-02-27KRYSKrystal Biotech, Inc.Tax withholding1,820$275.64$501,664.80filing
2026-02-27KRYSKrystal Biotech, Inc.Option exercise8,750$0.00$0.00filing
2026-02-27KRYSKrystal Biotech, Inc.Option exercise26,250$0.00$0.00filing
2026-02-27KRYSKrystal Biotech, Inc.Option exercise4,000$0.00$0.00filing
2026-02-27KRYSKrystal Biotech, Inc.Option exercise5,725$0.00$0.00filing
2026-02-27KRYSKrystal Biotech, Inc.Option exercise22,500$0.00$0.00filing
2025-12-05KRYSKrystal Biotech, Inc.Gift5,000$0.00$0.00filing
2025-12-04KRYSKrystal Biotech, Inc.Sale10,505$221.78$2.3Mfiling
2025-12-04KRYSKrystal Biotech, Inc.Sale10,461$221.82$2.3Mfiling
2025-12-04KRYSKrystal Biotech, Inc.Sale5,693$219.53$1.2Mfiling
2025-12-04KRYSKrystal Biotech, Inc.Sale5,419$219.68$1.2Mfiling
2025-12-04KRYSKrystal Biotech, Inc.Sale3,593$218.83$786,244.69filing
2025-12-04KRYSKrystal Biotech, Inc.Sale2,627$220.52$579,300.52filing
2025-12-04KRYSKrystal Biotech, Inc.Sale2,625$220.34$578,394.60filing
2025-12-04KRYSKrystal Biotech, Inc.Sale2,577$218.72$563,637.83filing
2025-12-04KRYSKrystal Biotech, Inc.Sale1,600$217.04$347,271.68filing
2025-12-04KRYSKrystal Biotech, Inc.Sale1,400$216.97$303,753.52filing
2025-12-04KRYSKrystal Biotech, Inc.Sale956$214.28$204,851.39filing
2025-12-04KRYSKrystal Biotech, Inc.Sale700$222.20$155,539.02filing
2025-12-04KRYSKrystal Biotech, Inc.Sale700$214.25$149,975.21filing
2025-12-04KRYSKrystal Biotech, Inc.Sale600$215.49$129,295.98filing
2025-12-04KRYSKrystal Biotech, Inc.Sale344$215.48$74,125.60filing
2025-12-04KRYSKrystal Biotech, Inc.Sale200$222.38$44,475.00filing
2025-07-16KRYSKrystal Biotech, Inc.Sale1,529$150.00$229,350.00filing
2025-07-16KRYSKrystal Biotech, Inc.Sale1,389$150.00$208,350.00filing
2025-07-15KRYSKrystal Biotech, Inc.Sale2,236$150.68$336,929.20filing
2025-07-15KRYSKrystal Biotech, Inc.Sale2,184$150.68$329,088.83filing
2025-07-15KRYSKrystal Biotech, Inc.Sale900$151.79$136,611.00filing
2025-07-15KRYSKrystal Biotech, Inc.Sale800$151.79$121,432.00filing
2025-07-14KRYSKrystal Biotech, Inc.Sale13,400$150.30$2.0Mfiling
2025-07-14KRYSKrystal Biotech, Inc.Sale13,335$150.29$2.0Mfiling
2025-07-14KRYSKrystal Biotech, Inc.Sale100$151.00$15,100.00filing
2025-07-10KRYSKrystal Biotech, Inc.Sale6,627$150.22$995,497.34filing
2025-07-10KRYSKrystal Biotech, Inc.Sale6,500$150.23$976,463.80filing
2025-07-10KRYSKrystal Biotech, Inc.Sale300$151.39$45,416.01filing
2025-07-10KRYSKrystal Biotech, Inc.Sale300$151.39$45,416.01filing
2025-07-09KRYSKrystal Biotech, Inc.Sale200$150.14$30,027.80filing
2025-07-09KRYSKrystal Biotech, Inc.Sale200$150.07$30,014.00filing

Insider transactions from SEC Form 4 filings via EDGAR. Names appear as filed and aren't normalized across issuers.