Tobin W. Juvenal - 10 Dec 2021 Form 4 Insider Report for CASTLE BIOSCIENCES INC (CSTL)

Signature
/s/ Greg Acosta, Attorney-in-fact
Issuer symbol
CSTL
Transactions as of
10 Dec 2021
Net transactions value
-$17,302
Form type
4
Filing time
14 Dec 2021, 18:54:53 UTC
Previous filing
21 Jun 2021
Next filing
28 Apr 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CSTL Common Stock Options Exercise +1,750 +50% 5,282 10 Dec 2021 Direct F1, F2
transaction CSTL Common Stock Tax liability $17,302 -427 -8.1% $40.52 4,855 10 Dec 2021 Direct

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) Award $0 +42,550 $0.000000 42,550 10 Dec 2021 Common Stock 42,550 $40.52 Direct F3
transaction CSTL Restricted Stock Units Award $0 +24,679 $0.000000 24,679 10 Dec 2021 Common Stock 24,679 Direct F1, F4
transaction CSTL Restricted Stock Units Options Exercise $0 -1,750 -25% $0.000000 5,250 10 Dec 2021 Common Stock 1,750 Direct F1, F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock.
F2 Includes 705 shares acquired on August 31, 2021, under the Issuer's employee stock purchase plan.
F3 25% of the shares shall vest on December 10, 2022, and the remaining shares shall vest in 36 equal monthly installments thereafter.
F4 The RSUs vest in four equal annual installments beginning on December 10, 2022.
F5 On December 10, 2020, the Reporting Person was granted 7,000 RSUs, which vest in four equal annual installments beginning on December 10, 2021.