Insider Profile · SEC Form 4 Activity · Trailing 90 Days

Thomas John Charles

Over the trailing 90 days, Thomas John Charles (Other Officer at Krystal Biotech, Inc.) traded $720K of stock (net selling $362K) in KRYS, per 4 SEC Form 4 transactions.

Role: Other Officer
Companies: KRYS
Window: Trailing 90 days · 4 transactions · CIK 2114900
Net activity: −$362K ($179K bought · $541K sold)
Source: Official filings on sec.gov ↗

By Company (Trailing 90 Days)

Symbol	Company	Txns	Bought	Sold	Net
KRYS	Krystal Biotech, Inc.	4	$179K	$541K	−$362K

Transactions (4)

Date	Symbol	Type	Shares	Value	Description
2026-06-25	KRYS	Sell	1.0K	$0	Exercise or conversion of derivative security
2026-06-25	KRYS	Sell	1.0K	$347K	Open market or private sale
2026-06-25	KRYS	Buy	1.0K	$179K	Exercise or conversion of derivative security
2026-05-26	KRYS	Sell	642	$194K	Open market or private sale

Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.

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