InsiderTrades

Thomas John Charles

SEC CIK 2114900 · EDGAR

Buying vs selling by month open-market trades, last 24 months, KRYS
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
KRYSKrystal Biotech, Inc.EVP, GC 1,000 — $541.2K 32026-05-262026-06-25

Most active insiders at KRYS, 12 months

#InsiderTitleBoughtSold
1 Krishnan SumaPres, R, D, Dir, 10% —$34.27M
2 Krishnan Krish SPres, CEO, Dir, 10% —$34.27M
3 JANNEY DANIELDir —$19.40M
4 ROSSI DINO ADir —$13.18M
5 ROMANO KATHRYNCAO —$3.60M
6 Thomas John CharlesEVP, GC —$541.2K

Transactions 3

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
DT 2026-06-26 18:45 2026-06-25 KRYS Krystal Biotech, Inc. Thomas John Charles EVP, GC M - OptEx $179.25 +1,000 1,000 New +$179.2K
DT 2026-06-26 18:45 2026-06-25 KRYS Krystal Biotech, Inc. Thomas John Charles EVP, GC S - Sale+OE $347.27 -1,000 0 -100% -$347.3K
T 2026-05-27 17:17 2026-05-26 KRYS Krystal Biotech, Inc. Thomas John Charles EVP, GC S - Sale $302.03 -642 0 -100% -$193.9K

Purchase Sale Sale after option exercise All abbreviations