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Thomas John Charles profile photo

John Charles Thomas

CIK: 0002114900

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (66.7%)

Position reduction

Option Exercises (M)1 (33.3%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

Krystal Biotech, Inc. logo
KRYS

Krystal Biotech, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (3 total)

  • Krystal Biotech, Inc. logo
    KRYS

    Krystal Biotech, Inc.

    Jun 25, 2026
    Exercise(M)
    Direct
    1K shares at avg. $179.25$179K
  • Krystal Biotech, Inc. logo
    KRYS

    Krystal Biotech, Inc.

    Jun 25, 2026
    Sale(S)
    Direct
    1K shares at avg. $347.27$347K
  • Krystal Biotech, Inc. logo
    KRYS

    Krystal Biotech, Inc.

    May 26, 2026
    Sale(S)
    Direct
    642 shares at avg. $302.03$194K

1-3 of 3

About Thomas John Charles

Thomas John Charles (SEC CIK 0002114900) files insider reports with the SEC as EVP, General Counsel of Krystal Biotech, Inc. (KRYS).

Signal8 holds 3 ownership filings by Thomas John Charles (1 Form 3, 2 Form 4), filed between Mar 6, 2026 and Jun 26, 2026. Those filings report 3 transactions, from May 26, 2026 to Jun 25, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Thomas John Charles's filings is in PITTSBURGH, PA.

Recent filings by Thomas John Charles

  • Jun 25, 2026: Option exercise of KRYS shares (Form 4, code M).
  • Jun 25, 2026: Open-market sale of KRYS shares (Form 4, code S).
  • May 26, 2026: Open-market sale of KRYS shares (Form 4, code S).

Other insiders filing for Krystal Biotech, Inc. (KRYS)

How to read Form 4 transaction codes