CASTLE BIOSCIENCES INC — Director's Dealing 2020

Aug 14, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CASTLE BIOSCIENCES INC (CSTL)
CIK: 0001447362
Period of Report: 2020-08-12

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-08-12	Common Stock	S	800	$40.297	Disposed	1563048	Direct
2020-08-12	Common Stock	S	4200	$41.903	Disposed	1558848	Direct
2020-08-13	Common Stock	S	7300	$40.973	Disposed	1551548	Direct
2020-08-13	Common Stock	S	200	$41.70	Disposed	1551348	Direct
2020-08-13	Common Stock	S	1000	$40.909	Disposed	1550348	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	159329	Indirect

Footnotes

F1: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on June 2, 2020.

F2: This transaction was executed in multiple trades at prices ranging from $39.940 to $40.765, 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: This transaction was executed in multiple trades at prices ranging from $41.520 to $42.240, 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.

F4: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 18, 2020.

F5: This transaction was executed in multiple trades at prices ranging from $40.670 to $41.635, 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: This transaction was executed in multiple trades at prices ranging from $40.690 to $41.110, 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.

F7: Held by the DJM Grantor Retained Annuity Trust No. 1, or the Maetzold Trust. The Reporting Person is a trustee of the Maetzold Trust.