Christopher Mason - Jun 30, 2025 Form 4 Insider Report for Krystal Biotech, Inc. (KRYS)

Role
Director
Signature
/s/ Krish Krishnan, as attorney-in-fact for Christopher Mason
Stock symbol
KRYS
Transactions as of
Jun 30, 2025
Transactions value $
$0
Form type
4
Date filed
6/30/2025, 06:09 PM
Previous filing
Jul 1, 2024
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mason Christopher Director C/O KRYSTAL BIOTECH, INC., 2100 WHARTON STREET, SUITE 701, PITTSBURGH /s/ Krish Krishnan, as attorney-in-fact for Christopher Mason 2025-06-30 0001836440

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction KRYS Stock Option (Right to Buy) Award $0 +5K $0.00 5K Jun 30, 2025 Common Stock 5K $137.46 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The options were awarded on June 30, 2025 and vest in equal monthly tranches over a one-year period.