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Filing Details

Accession Number:: 0001447362-21-000016
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2021-01-19 16:06:29
Reporting Period:: 2021-01-15

Accepted Time:: 2021-01-19 16:06:29
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1447362	Castle Biosciences Inc	CSTL	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1239501	J Derek Maetzold	C/O Castle Biosciences, Inc. 820 S. Friendswood Drive, Suite 201 Friendswood TX 77546	Pres. & Chief Exec. Officer	Yes	Yes	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Disposition	2021-01-15	4,339	$73.93	877,925	No	4	S	Direct
Common Stock	Disposition	2021-01-15	4,647	$75.10	873,278	No	4	S	Direct
Common Stock	Disposition	2021-01-15	4,891	$75.92	868,387	No	4	S	Direct
Common Stock	Disposition	2021-01-15	500	$77.77	867,887	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	156,460	Indirect	By DJM Grantor Retained Annuity Trust No. 1
Common Stock	179,300	Indirect	By The Maetzold Descendants 2020 Trust
Common Stock	166,700	Indirect	By Derek Maetzold 2020 Irrevocable Trust

Footnotes

These transactions were made pursuant to Rule 10b5-1 plans adopted by the Reporting Person on September 10, 2020 and December 11, 2020.
This transaction was executed in multiple trades at prices ranging from $73.59 to $74.58, 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.
This transaction was executed in multiple trades at prices ranging from $74.60 to $75.57, 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.
This transaction was executed in multiple trades at prices ranging from $75.63 to $76.53, 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.
This transaction was executed in multiple trades at prices ranging from $77.33 to $77.97, 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.
Held by DJM Grantor Retained Annuity Trust No. 1 of which the Reporting Person is the trustee and beneficiary.
Held by The Maetzold Descendants 2020 Trust of which the Reporting Person's spouse is the trustee and the Reporting Person's spouse and their children are beneficiaries.
Held by Derek Maetzold 2020 Irrevocable Trust of which the Reporting Person is the trustee and his children are beneficiaries.