Daniel Bradbury - May 21, 2025 Form 4 Insider Report for CASTLE BIOSCIENCES INC (CSTL)

Role
Director
Signature
/s/ Frank Stokes, Attorney-in-fact
Stock symbol
CSTL
Transactions as of
May 21, 2025
Transactions value $
$0
Form type
4
Date filed
5/23/2025, 04:19 PM
Previous filing
Feb 19, 2025
Next filing
Jun 26, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
BRADBURY DANIEL Director C/O CASTLE BIOSCIENCES, INC., 505 S. FRIENDSWOOD DRIVE, SUITE 401, FRIENDSWOOD /s/ Frank Stokes, Attorney-in-fact 2025-05-23 0001236397

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CSTL Common Stock Options Exercise +8.67K 8.67K May 21, 2025 Direct F1
holding CSTL Common Stock 13.3K May 21, 2025 The Bradbury Family Trust F2

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 CSTL Restricted Stock Units Options Exercise $0 -8.67K -100% $0.00 0 May 21, 2025 Common Stock 8.67K Direct F1, F3
transaction CSTL Restricted Stock Units Award $0 +13.7K $0.00 13.7K May 22, 2025 Common Stock 13.7K Direct F1, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock.
F2 Held by Bradbury Family Trust of which the Reporting Person and Annette Bradbury are the trustees and the beneficiaries.
F3 The RSUs vest in full on the earlier of the (a) one-year anniversary of the date on May 23, 2025, or (b) the day immediately preceding the next Annual Meeting of Stockholders following the date of the grant.
F4 The RSUs vest in full on the earlier of the (a) one-year anniversary of the date on May 22, 2026, or (b) the day immediately preceding the next Annual Meeting of Stockholders following the date of the grant.