John Charles Thomas - SEC Form 4 Insider Trading Activity
EVP, General Counsel
Summary
Updated Aug 16, 2026
John Charles Thomas has filed 2 SEC Form 4 filings across 1 company in the last 90 days - selling. Lifetime open-market sales: $541K.
Profile
John Charles Thomas serves as EVP, General Counsel of Krystal Biotech, Inc. (KRYS). Thomas has reported 2 insider filings with the SEC since 2026. The most recent filing was in June 2026.
- Role
- EVP, General Counsel
Board memberships
- Krystal Biotech, Inc.
Trading Pattern
InsiderAlpha's records for John Charles Thomas go back to 2026: 2 primary Form 4 filings, an average of 2.0 per year. 4 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Career & Filing History
Every role John Charles Thomas has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- EVP, General Counsel at Krystal Biotech, Inc. (KRYS) - 2 filings, 2026
Recent Transactions
3Companies - Last 90 Days
1- Krystal Biotech, Inc. (KRYS) - 2 filings, last 2026-06-26
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies John Charles Thomas has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Suma Krishnan - $25.29M of KRYS open-market activity in the last 12 months
- Krish S. Krishnan - $25.29M of KRYS open-market activity in the last 12 months
- Daniel Janney - $19.40M of KRYS open-market activity in the last 12 months
- Dino A. Rossi - $13.18M of KRYS open-market activity in the last 12 months
- Kathryn Romano - $3.60M of KRYS open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is John Charles Thomas?
John Charles Thomas serves as EVP, General Counsel of Krystal Biotech, Inc. (KRYS). Thomas has reported 2 insider filings with the SEC since 2026. The most recent filing was in June 2026.…
How many SEC Form 4 filings has John Charles Thomas submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has John Charles Thomas been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($541K) across all tracked filings.
Where can I see all of John Charles Thomas's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
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