Tobin W. Juvenal - Nov 5, 2024 Form 4 Insider Report for CASTLE BIOSCIENCES INC (CSTL)

Role
Chief Commercial Officer
Signature
/s/ Frank Stokes, Attorney-in-fact
Stock symbol
CSTL
Transactions as of
Nov 5, 2024
Transactions value $
-$112,855
Form type
4
Date filed
11/7/2024, 04:12 PM
Previous filing
Nov 5, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CSTL Common Stock Options Exercise $11.9K +3.51K +6.47% $3.38 57.7K Nov 5, 2024 Direct
transaction CSTL Common Stock Sale -$125K -3.51K -6.08% $35.56 54.2K Nov 5, 2024 Direct F1, F2
holding CSTL Common Stock 2.23K Nov 5, 2024 By Tobin W and Susan M Juvenal Family Revocable Trust F3

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 Stock option (right to buy) Options Exercise $0 -3.51K -17.44% $0.00 16.6K Nov 5, 2024 Common Stock 3.51K $3.38 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Explanation of Responses:

Id Content
F1 These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 10,2024.
F2 This transaction was executed in multiple trades at prices ranging from $35.45 to $35.83, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
F3 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.
F4 The shares subject to the option are fully vested.