Kristen M. Oelschlager - Jul 29, 2024 Form 4 Insider Report for CASTLE BIOSCIENCES INC (CSTL)

Role: Chief Operating Officer
Signature: /s/ Frank Stokes, Attorney-in-fact
Stock symbol: CSTL
Transactions as of: Jul 29, 2024
Transactions value $: -$61,622
Form type: 4
Date filed: 7/31/2024, 04:50 PM
Previous filing: Jul 3, 2024
Next filing: Aug 5, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CSTL	Common Stock	Sale	-$61.6K	-2.79K	-1.88%	$22.06	146K	Jul 29, 2024	Direct	F1, F2

* 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	The transaction on this Form 4 was made pursuant to a Rule 10b5-1 plan adopted by Kristen Oelschlager on March 15, 2024.
F2	This transaction was executed in multiple trades at prices ranging from $22.12 to $22.02, 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.

Content

The transaction on this Form 4 was made pursuant to a Rule 10b5-1 plan adopted by Kristen Oelschlager on March 15, 2024.

This transaction was executed in multiple trades at prices ranging from $22.12 to $22.02, 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.