Tobin W. Juvenal - 04 Mar 2025 Form 4 Insider Report for CASTLE BIOSCIENCES INC (CSTL)

Signature
/s/ Frank Stokes, Attorney-in-fact
Issuer symbol
CSTL
Transactions as of
04 Mar 2025
Net transactions value
-$123,888
Form type
4
Filing time
06 Mar 2025, 16:14:36 UTC
Previous filing
08 Jan 2025
Next filing
12 Aug 2025

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CSTL Common Stock Options Exercise +13,811 +20% 83,754 04 Mar 2025 Direct F1
transaction CSTL Common Stock Tax liability $123,888 -5,573 -6.7% $22.23 78,181 04 Mar 2025 Direct
holding CSTL Common Stock 2,230 04 Mar 2025 By Tobin W and Susan M Juvenal Family Revocable 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 Award $0 +47,838 $0.000000 47,838 04 Mar 2025 Common Stock 47,838 Direct F1, F3
transaction CSTL Restricted Stock Units Options Exercise $0 -13,811 -25% $0.000000 41,432 04 Mar 2025 Common Stock 13,811 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 Tobin W and Susan M Juvenal Family Revocable Trust of which the Reporting Person and his spouse are the trustees and the Reporting Person, his spouse and their children are the beneficiaries.
F3 The RSU's vest in four equal annual installments beginning on March 04, 2026.
F4 On March 4, 2024, the Reporting Person was granted 55,243 RSUs which vest in four equal installments beginning on March 4, 2025.