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Filing Details

Accession Number:: 0001447362-20-000305
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2020-12-31 16:07:44
Reporting Period:: 2020-12-29

Accepted Time:: 2020-12-31 16:07:44
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	2020-12-29	4,621	$64.91	1,282,631	No	4	S	Direct
Common Stock	Disposition	2020-12-29	4,229	$66.07	1,278,402	No	4	S	Direct
Common Stock	Disposition	2020-12-29	3,950	$66.80	1,274,452	No	4	S	Direct
Common Stock	Disposition	2020-12-29	1,000	$67.72	1,273,452	No	4	S	Direct
Common Stock	Disposition	2020-12-29	100	$69.11	1,273,352	No	4	S	Direct
Common Stock	Disposition	2020-12-29	500	$70.31	1,272,852	No	4	S	Direct
Common Stock	Disposition	2020-12-29	300	$72.06	1,272,552	No	4	S	Direct
Common Stock	Disposition	2020-12-29	300	$73.69	1,272,252	No	4	S	Direct
Common Stock	Disposition	2020-12-30	9,255	$68.33	1,262,997	No	4	S	Direct
Common Stock	Disposition	2020-12-30	5,645	$69.02	1,257,352	No	4	S	Direct
Common Stock	Disposition	2020-12-30	100	$69.72	1,257,252	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
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
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	159,329	Indirect	By trust

Footnotes

These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on June 2, 2020.
This transaction was executed in multiple trades at prices ranging from $64.420 to $65.400, 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 $65.470 to $66.430, 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 $66.500 to $67.485, 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 $67.500 to $68.250, 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 $70.110 to $71.090, 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 $71.920 to $72.200, 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 $73.670 to $73.710, 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 $67.660 to $68.650, 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 $68.680 to $69.600, 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 DJM Grantor Retained Annuity Trust No. 1, or the Maetzold Trust. The Reporting Person is a trustee of the Maetzold Trust.