Frank Stokes - 04 Mar 2025 Form 4 Insider Report for CASTLE BIOSCIENCES INC (CSTL)

Role
Chief Financial Officer
Signature
/s/ Frank Stokes, Attorney-in-fact
Issuer symbol
CSTL
Transactions as of
04 Mar 2025
Transactions value $
-$121,109
Form type
4
Filing time
06 Mar 2025, 16:10:29 UTC
Previous filing
24 Feb 2025
Next filing
12 Jun 2025
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CSTL Common Stock Options Exercise +12,186 +33% 48,776 04 Mar 2025 Direct F1, F2
transaction CSTL Common Stock Tax liability -$121,109 -5,448 -11% $22.23 43,328 04 Mar 2025 Direct

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 47,838 04 Mar 2025 Common Stock 47,838 Direct F1, F3
transaction CSTL Restricted Stock Units Options Exercise $0 -12,186 -25% $0 36,558 04 Mar 2025 Common Stock 12,186 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 Includes 1,271 shares acquired on February 28, 2025, under the Issuer's employee stock purchase plan.
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 48,744 RSUs which vest in four equal installments beginning on March 4, 2025.