Thomas John Charles 4
4 · Krystal Biotech, Inc. · Filed Jun 26, 2026
Research Summary
AI-generated summary of this filing
Krystal Biotech EVP Thomas John Charles Sells 1,000 Shares
What Happened
Thomas John Charles, EVP and General Counsel of Krystal Biotech (KRYS), exercised 1,000 options and sold 1,000 shares on June 25, 2026. He exercised options at $179.25 per share (cost $179,250) and sold 1,000 shares in an open-market transaction at $347.27 per share, generating proceeds of $347,270. The filing also reports a related derivative conversion/disposition at $0 (the option instrument was converted/terminated).
Key Details
- Transaction date: 2026-06-25
- Exercise (M): 1,000 shares acquired at $179.25 each — total $179,250
- Sale (S): 1,000 shares sold at $347.27 each — proceeds $347,270
- Conversion/Disposition (M): 1,000 derivative units reported disposed at $0 (reflects option conversion/termination)
- Shares owned after the transactions: not disclosed in the provided excerpt of the filing
- Footnotes:
- F1: All transactions were effected under a Rule 10b5-1 trading plan adopted Feb 23, 2026; the plan’s contemplated transactions are complete and the plan has terminated.
- F2: The options vest ratably over a four‑year period beginning Feb 28, 2026.
- No late filing was indicated in the provided information.
Context
Because the acquired shares from the option exercise were sold the same day, this effectively functioned like a cashless exercise (exercise followed by immediate sale). The activity was executed under a pre-arranged 10b5-1 plan, which is commonly used to automate insider trades and reduce questions about timing or intent. As always, sales by insiders can be routine (tax or liquidity needs) and do not by themselves indicate a change in company outlook.
Insider Transaction Report
- Exercise/Conversion
Common Stock
[F1]2026-06-25$179.25/sh+1,000$179,250→ 1,000 total - Sale
Common Stock
[F1]2026-06-25$347.27/sh−1,000$347,270→ 0 total - Exercise/Conversion
Stock Option (Right to Buy)
[F2]2026-06-25−1,000→ 6,500 totalExercise: $179.25Exp: 2035-02-27→ Common Stock (1,000 underlying)
Footnotes (2)
- [F1]The acquisition and sale of shares of the Company's common stock reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 23, 2026. All transactions contemplated by the plan have been completed, and the plan has terminated in accordance with its terms.
- [F2]The options vest ratably over a four-year period beginning on February 28, 2026.