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Filing Details

Accession Number:: 0001447362-21-000219
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2021-09-15 18:13:28
Reporting Period:: 2021-09-13

Accepted Time:: 2021-09-15 18:13:28
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

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2021-09-13	1,000	$70.64	345,018	No	4	S	Direct
Common Stock	Disposition	2021-09-13	1,400	$71.88	343,618	No	4	S	Direct
Common Stock	Disposition	2021-09-13	3,112	$73.10	340,506	No	4	S	Direct
Common Stock	Disposition	2021-09-13	2,788	$74.05	337,718	No	4	S	Direct
Common Stock	Disposition	2021-09-13	1,700	$74.71	336,018	No	4	S	Direct
Common Stock	Disposition	2021-09-13	134	$70.47	141,327	No	4	S	Indirect	By DJM Grantor Retained Annuity Trust No. 1
Common Stock	Disposition	2021-09-13	200	$71.49	141,127	No	4	S	Indirect	By DJM Grantor Retained Annuity Trust No. 1
Common Stock	Disposition	2021-09-13	533	$72.94	140,594	No	4	S	Indirect	By DJM Grantor Retained Annuity Trust No. 1
Common Stock	Disposition	2021-09-13	533	$73.99	140,061	No	4	S	Indirect	By DJM Grantor Retained Annuity Trust No. 1
Common Stock	Disposition	2021-09-13	266	$74.69	139,795	No	4	S	Indirect	By DJM Grantor Retained Annuity Trust No. 1
Common Stock	Disposition	2021-09-13	133	$70.47	164,167	No	4	S	Indirect	By The Maetzold Descendants 2020 Trust
Common Stock	Disposition	2021-09-13	200	$71.49	163,967	No	4	S	Indirect	By The Maetzold Descendants 2020 Trust
Common Stock	Disposition	2021-09-13	534	$72.94	163,433	No	4	S	Indirect	By The Maetzold Descendants 2020 Trust
Common Stock	Disposition	2021-09-13	533	$73.99	162,900	No	4	S	Indirect	By The Maetzold Descendants 2020 Trust
Common Stock	Disposition	2021-09-13	267	$74.69	162,633	No	4	S	Indirect	By The Maetzold Descendants 2020 Trust
Common Stock	Disposition	2021-09-13	133	$70.47	151,566	No	4	S	Indirect	By Derek Maetzold 2020 Irrevocable Trust
Common Stock	Disposition	2021-09-13	200	$71.49	151,366	No	4	S	Indirect	By Derek Maetzold 2020 Irrevocable Trust
Common Stock	Disposition	2021-09-13	533	$72.94	150,833	No	4	S	Indirect	By Derek Maetzold 2020 Irrevocable Trust
Common Stock	Disposition	2021-09-13	534	$73.99	150,299	No	4	S	Indirect	By Derek Maetzold 2020 Irrevocable Trust
Common Stock	Disposition	2021-09-13	267	$74.69	150,032	No	4	S	Indirect	By Derek Maetzold 2020 Irrevocable Trust
Common Stock	Disposition	2021-09-14	4,154	$73.32	331,864	No	4	S	Direct
Common Stock	Disposition	2021-09-14	3,241	$74.63	328,623	No	4	S	Direct
Common Stock	Disposition	2021-09-14	1,205	$75.56	327,418	No	4	S	Direct
Common Stock	Disposition	2021-09-14	1,400	$76.45	326,018	No	4	S	Direct
Common Stock	Disposition	2021-09-14	781	$73.36	139,014	No	4	S	Indirect	By DJM Grantor Retained Annuity Trust No. 1
Common Stock	Disposition	2021-09-14	473	$74.65	138,541	No	4	S	Indirect	By DJM Grantor Retained Annuity Trust No. 1
Common Stock	Disposition	2021-09-14	227	$75.69	138,314	No	4	S	Indirect	By DJM Grantor Retained Annuity Trust No. 1
Common Stock	Disposition	2021-09-14	186	$76.43	138,128	No	4	S	Indirect	By DJM Grantor Retained Annuity Trust No. 1

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Indirect	By DJM Grantor Retained Annuity Trust No. 1
No	4	S	Indirect	By DJM Grantor Retained Annuity Trust No. 1
No	4	S	Indirect	By DJM Grantor Retained Annuity Trust No. 1
No	4	S	Indirect	By DJM Grantor Retained Annuity Trust No. 1
No	4	S	Indirect	By DJM Grantor Retained Annuity Trust No. 1
No	4	S	Indirect	By The Maetzold Descendants 2020 Trust
No	4	S	Indirect	By The Maetzold Descendants 2020 Trust
No	4	S	Indirect	By The Maetzold Descendants 2020 Trust
No	4	S	Indirect	By The Maetzold Descendants 2020 Trust
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 Derek Maetzold 2020 Irrevocable Trust
No	4	S	Indirect	By Derek Maetzold 2020 Irrevocable Trust
No	4	S	Indirect	By Derek Maetzold 2020 Irrevocable Trust
No	4	S	Indirect	By Derek Maetzold 2020 Irrevocable Trust
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Indirect	By DJM Grantor Retained Annuity Trust No. 1
No	4	S	Indirect	By DJM Grantor Retained Annuity Trust No. 1
No	4	S	Indirect	By DJM Grantor Retained Annuity Trust No. 1
No	4	S	Indirect	By DJM Grantor Retained Annuity Trust No. 1

Footnotes

These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 11, 2020.
This transaction was executed in multiple trades at prices ranging from $70.140 to $71.070, 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 $71.610 to $72.530, 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 $72.610 to $73.600, 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.
This transaction was executed in multiple trades at prices ranging from $73.630 to $74.610, 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 $74.630 to $74.840, 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.
These transactions were made pursuant to a Rule 10b5-1 plan adopted by DJM Grantor Retained Annuity Trust No. 1, The Maetzold Descendants 2020 Trust, and the Derek Maetzold 2020 Irrevocable Trust on June 15, 2021.
This transaction was executed in multiple trades at prices ranging from $70.280 to $70.745, 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.
This transaction was executed in multiple trades at prices ranging from $71.300 to $71.895, 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 $72.530 to $73.290, 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 $74.645 to $74.735, 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.
This transaction was executed in multiple trades at prices ranging from $72.970 to $73.940, 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 $74.010 to $75.000, 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 $75.020 to $75.995, 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 $76.220 to $76.640, 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 $73.050 to $73.940, 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 $74.100 to $75.070, 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 $75.105 to $76.070, 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 $76.300 to $76.630, 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.
Transactions are continued on a Form 4 filed contemporaneously herewith.