CASTLE BIOSCIENCES INC — Director's Dealing 2021

Nov 10, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CASTLE BIOSCIENCES INC (CSTL)
CIK: 0001447362
Period of Report: 2021-11-08

Reporting Person: BRADBURY DANIEL (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-08	Common Stock	S	2435	$60.72	Disposed	246335	Indirect
2021-11-08	Common Stock	S	342	$61.186	Disposed	245993	Indirect
2021-11-08	Common Stock	S	1389	$61.437	Disposed	135280	Indirect
2021-11-08	Common Stock	S	1388	$61.835	Disposed	135305	Indirect

Footnotes

F1: The transactions on this Form 4 were made pursuant to a Rule 10b5-1 plan adopted collectively by BioBrit, LLC (the "LLC"), The Annette E. Bradbury Irrevocable Descendants' Trust, and The Daniel M. Bradbury Irrevocable Descendants' Trust on May 26, 2021.

F2: This transaction was executed in multiple trades at prices ranging from $60.130 to $61.060, 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 the LLC, of which the Reporting Person is the managing member and has voting and investment power over the shares.

F4: This transaction was executed in multiple trades at prices ranging from $61.130 to $61.340, 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.

F5: This transaction was executed in multiple trades at prices ranging from $61.340 to $61.560, 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.

F6: Held by Daniel Bradbury Irrecovable Descendant's Trust of which the reporting person and his spouse are trustees and their children are beneficiaries.

F7: This transaction was executed in multiple trades at prices ranging from $61.560 to $62.205, 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.

F8: Held by Annette Bradbury Irrecovable Descendant's Trust of which the reporting person and his spouse are trustees and their children are beneficiaries.