CASTLE BIOSCIENCES INC — Director's Dealing 2020

Aug 19, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CASTLE BIOSCIENCES INC (CSTL)
CIK: 0001447362
Period of Report: 2020-08-17

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-08-17	Common Stock	S	500	$40.95	Disposed	1549848	Direct
2020-08-17	Common Stock	S	5000	$42.40	Disposed	1544848	Direct
2020-08-17	Common Stock	S	2000	$43.43	Disposed	1542848	Direct
2020-08-17	Common Stock	S	600	$42.39	Disposed	1542248	Direct
2020-08-17	Common Stock	S	400	$43.60	Disposed	1541848	Direct
2020-08-18	Common Stock	S	9900	$43.14	Disposed	1531948	Direct
2020-08-18	Common Stock	S	100	$43.67	Disposed	1531848	Direct
2020-08-18	Common Stock	S	1000	$43.20	Disposed	1530848	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 March 18, 2020.

F2: This transaction was executed in multiple trades at prices ranging from $40.76 to $41.47, 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 $41.94 to $42.92, 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: This transaction was executed in multiple trades at prices ranging from $42.96 to $43.74, 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: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on June 2, 2020.

F6: This transaction was executed in multiple trades at prices ranging from $42.04 to $42.79, 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: This transaction was executed in multiple trades at prices ranging from $43.47 to $43.74, 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: This transaction was executed in multiple trades at prices ranging from $42.65 to $43.58, 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.

F9: This transaction was executed in multiple trades at prices ranging from $42.97 to $43.45, 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.

F10: Held by the DJM Grantor Retained Annuity Trust No. 1, or the Maetzold Trust. The Reporting Person is a trustee of the Maetzold Trust.