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Filing Details

Accession Number:: 0001447362-23-000173
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2023-12-12 19:23:52
Reporting Period:: 2023-12-08

Accepted Time:: 2023-12-12 19:23:52
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. 505 S. Friendswood Drive, Suite 401 Friendswood TX 77546	Pres. & Chief Exec. Officer	Yes	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2023-12-08	2,322	$20.10	94,895	No	4	S	Direct
Common Stock	Disposition	2023-12-08	732	$20.10	99,482	No	4	S	Indirect	By The Maetzold Descendants 2020 Trust
Common Stock	Disposition	2023-12-08	732	$20.10	88,377	No	4	S	Indirect	By Derek Maetzold 2020 Irrevocable Trust
Common Stock	Disposition	2023-12-08	267	$20.10	14,330	No	4	S	Indirect	By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk
Common Stock	Disposition	2023-12-08	267	$20.10	14,331	No	4	S	Indirect	By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold
Common Stock	Disposition	2023-12-08	265	$20.10	14,332	No	4	S	Indirect	By The Maetzold 2018 Remainder Trust FBO John Derek Maetzold
Common Stock	Disposition	2023-12-08	267	$20.10	14,325	No	4	S	Indirect	By The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold
Common Stock	Acquisiton	2023-12-09	33,496	$0.00	128,391	No	4	M	Direct
Common Stock	Disposition	2023-12-09	11,481	$20.17	116,910	No	4	F	Direct
Common Stock	Acquisiton	2023-12-10	15,424	$0.00	132,334	No	4	M	Direct
Common Stock	Disposition	2023-12-10	4,370	$20.17	127,964	No	4	F	Direct
Common Stock	Acquisiton	2023-12-10	5,363	$0.00	133,327	No	4	M	Direct
Common Stock	Disposition	2023-12-10	2,111	$20.17	131,216	No	4	F	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct
No	4	S	Indirect	By The Maetzold Descendants 2020 Trust
No	4	S	Indirect	By Derek Maetzold 2020 Irrevocable Trust
No	4	S	Indirect	By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk
No	4	S	Indirect	By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold
No	4	S	Indirect	By The Maetzold 2018 Remainder Trust FBO John Derek Maetzold
No	4	S	Indirect	By The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold
No	4	M	Direct
No	4	F	Direct
No	4	M	Direct
No	4	F	Direct
No	4	M	Direct
No	4	F	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Restricted Stock Units	Disposition	2023-12-09	33,496	$0.00	33,496	$0.00
Common Stock	Restricted Stock Units	Disposition	2023-12-10	15,424	$0.00	15,424	$0.00
Common Stock	Restricted Stock Units	Disposition	2023-12-10	5,363	$0.00	5,363	$0.00

Remaning Holdings	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
100,487	No	4	M	Direct
30,849	No	4	M	Direct
5,362	No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	149,000	Indirect	By DJM Grantor Retained Annuity Trust No. 5

Footnotes

These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on March 16, 2023.
This transaction was executed in multiple trades at prices ranging from $20.00 to $20.20, 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 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.
Held by The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk of which the Reporting Person is the trustee and his child is the beneficiary.
Held by The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold of which the Reporting Person is the trustee and his child is the beneficiary.
Held by The Maetzold 2018 Remainder Trust FBO John Derek Maetzold of which the Reporting Person is the trustee and his child is the beneficiary.
Held by The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold of which the Reporting Person is the trustee and his child is the beneficiary.
Held by DJM Grantor Retained Annuity Trust No. 5 of which the Reporting Person is the trustee and beneficiary.
Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock.
On December 9, 2022, the Reporting Person was granted 133,982 RSUs, which vest in four equal annual installments beginning on December 9, 2023.
On December 10, 2021, the Reporting Person was granted 61,698 RSUs, which vest in four equal annual installments beginning on December 10, 2022.
On December 10, 2020, the reporting person was granted 21,450 RSUs, which vest in four equal annual installments beginning on December 10, 2021.