DEREK J. MAETZOLD - 11 May 2021 Form 4 Insider Report for CASTLE BIOSCIENCES INC (CSTL)

Signature
/s/ Greg Acosta, Attorney-in-fact
Issuer symbol
CSTL
Transactions as of
11 May 2021
Net transactions value
-$351,254
Form type
4
Filing time
13 May 2021, 16:33:49 UTC
Next filing
14 May 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CSTL Common Stock Sale $19,567 -379 -0.07% $51.63 565,639 11 May 2021 Direct F1, F2
transaction CSTL Common Stock Sale $60,862 -1,157 -0.2% $52.60 564,482 11 May 2021 Direct F1, F3
transaction CSTL Common Stock Sale $59,054 -1,100 -0.19% $53.68 563,382 11 May 2021 Direct F1, F4
transaction CSTL Common Stock Sale $37,920 -697 -0.12% $54.40 562,685 11 May 2021 Direct F1, F5
transaction CSTL Common Stock Sale $131,551 -2,533 -0.45% $51.94 560,152 12 May 2021 Direct F1, F6
transaction CSTL Common Stock Sale $42,301 -800 -0.14% $52.88 559,352 12 May 2021 Direct F1, F7
holding CSTL Common Stock 156,460 11 May 2021 By DJM Grantor Retained Annuity Trust No. 1 F8
holding CSTL Common Stock 179,300 11 May 2021 By The Maetzold Descendants 2020 Trust F9
holding CSTL Common Stock 166,700 11 May 2021 By Derek Maetzold 2020 Irrevocable Trust F10
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 11, 2020.
F2 This transaction was executed in multiple trades at prices ranging from $51.110 to $52.070, 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.
F3 This transaction was executed in multiple trades at prices ranging from $52.185 to $53.180, 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 $53.210 to $54.180, 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 This transaction was executed in multiple trades at prices ranging from $54.240 to $54.540, 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.
F6 This transaction was executed in multiple trades at prices ranging from $51.570 to $52.460, 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 $52.570 to $53.350, 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 Held by DJM Grantor Retained Annuity Trust No. 1 of which the Reporting Person is the trustee and beneficiary.
F9 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.
F10 Held by Derek Maetzold 2020 Irrevocable Trust of which the Reporting Person is the trustee and his children are beneficiaries.