Derek J. Maetzold - Nov 15, 2021 Form 4 Insider Report for CASTLE BIOSCIENCES INC (CSTL)

Signature
/s/ Greg Acosta, Attorney-in-fact
Stock symbol
CSTL
Transactions as of
Nov 15, 2021
Transactions value $
-$765,424
Form type
4
Date filed
11/17/2021, 05:08 PM
Previous filing
Nov 12, 2021
Next filing
Dec 14, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CSTL Common Stock Options Exercise $38.7K +16.4K +5.74% $2.36 302K Nov 15, 2021 Direct
transaction CSTL Common Stock Sale -$808K -15.4K -5.09% $52.47 287K Nov 15, 2021 Direct F1
transaction CSTL Common Stock Sale -$53.7K -1.01K -0.35% $53.04 286K Nov 15, 2021 Direct F2
transaction CSTL Common Stock Options Exercise $57.3K +15.4K +5.39% $3.72 301K Nov 16, 2021 Direct
holding CSTL Common Stock 151K Nov 15, 2021 By The Maetzold Descendants 2020 Trust F3
holding CSTL Common Stock 128K Nov 15, 2021 By DJM Grantor Retained Annuity Trust No. 1 F4
holding CSTL Common Stock 138K Nov 15, 2021 By Derek Maetzold 2020 Irrevocable Trust F5

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction CSTL Stock option (right to buy) Options Exercise $0 -16.4K -100% $0.00* 0 Nov 15, 2021 Common Stock 16.4K $2.36 Direct F6
transaction CSTL Stock option (right to buy) Options Exercise $0 -15.4K -42.69% $0.00 20.7K Nov 16, 2021 Common Stock 15.4K $3.72 Direct F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This transaction was executed in multiple trades at prices ranging from $52.000 to $52.995, 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.
F2 This transaction was executed in multiple trades at prices ranging from $53.000 to $53.170, 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 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.
F4 Held by DJM Grantor Retained Annuity Trust No. 1 of which the Reporting Person is the trustee and beneficiary.
F5 Held by Derek Maetzold 2020 Irrevocable Trust of which the Reporting Person is the trustee and his children are beneficiaries.
F6 The shares subject to the option are fully vested.