Bernhard E. Spiess - 08 Jun 2021 Form 4 Insider Report for CASTLE BIOSCIENCES INC (CSTL)

Signature
/s/ Greg Acosta, Attorney-in-fact
Issuer symbol
CSTL
Transactions as of
08 Jun 2021
Net transactions value
-$611,971
Form type
4
Filing time
10 Jun 2021, 17:06:42 UTC
Next filing
07 Sep 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CSTL Common Stock Options Exercise $17,259 +8,989 +66% $1.92* 22,551 08 Jun 2021 Direct F1, F2
transaction CSTL Common Stock Sale $629,230 -8,989 -40% $70.00 13,562 08 Jun 2021 Direct F1

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 -8,989 -38% $0.000000 14,878 08 Jun 2021 Common Stock 8,989 $1.92 Direct F1, F3
* 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 May 24, 2021.
F2 Includes 1,815 shares acquired on February 26, 2021 under the Issuer's employee stock purchase plan.
F3 25% of the 169,592 shares originally subject to the option vested on May 2, 2017, and the remaining shares vested in 36 equal monthly installments thereafter.