CASTLE BIOSCIENCES INC — Director's Dealing 2021

Jan 11, 2021

SEC Form 5 — Annual Statement of Changes in Beneficial Ownership

Issuer: CASTLE BIOSCIENCES INC (CSTL)
CIK: 0001447362
Period of Report: 2020-12-31

Reporting Person: MAETZOLD DEREK J (Director, Pres. & Chief Exec. Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-12-16	Common Stock	G	3103	—	Disposed	1254149	Direct
2020-12-21	Common Stock	G	166700	—	Disposed	1087449	Direct
2020-12-21	Common Stock	G	179300	—	Disposed	908149	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	159329	Indirect
Common Stock	166700	Indirect
Common Stock	179300	Indirect

Footnotes

F1: On December 21, 2020, the reporting person transferred 166,700 shares of Castle Biosciences, Inc. common stock to the Derek Maetzold 2020 Irrevocable Trust of which the reporting person's spouse is the trustee and the reporting person's spouse and their children are beneficiaries.

F2: On December 21, 2020, the reporting person transferred 179,300 shares of Castle Biosciences, Inc. common stock to The Maetzold Descendants 2020 Trust of which the reporting person is trustee and his children are beneficiaries.

F3: The reporting person is a trustee of the DJM Grantor Retained Annuity No. 1.