Bernhard E. Spiess - Sep 2, 2021 Form 4 Insider Report for CASTLE BIOSCIENCES INC (CSTL)

Signature
/s/ Greg Acosta, Attorney-in-fact
Stock symbol
CSTL
Transactions as of
Sep 2, 2021
Transactions value $
-$1,134,509
Form type
4
Date filed
9/7/2021, 05:26 PM
Previous filing
Jun 10, 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 $17.3K +8.99K +66.28% $1.92* 22.6K Sep 2, 2021 Direct F1
transaction CSTL Common Stock Options Exercise $15.3K +6.41K +28.43% $2.39* 29K Sep 2, 2021 Direct F1
transaction CSTL Common Stock Sale -$605K -8.04K -27.75% $75.24 20.9K Sep 2, 2021 Direct F1, F2
transaction CSTL Common Stock Sale -$448K -5.89K -28.14% $76.14 15K Sep 2, 2021 Direct F1, F3
transaction CSTL Common Stock Sale -$114K -1.47K -9.8% $77.29 13.6K Sep 2, 2021 Direct F1, F4

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 -8.99K -60.42% $0.00 5.89K Sep 2, 2021 Common Stock 8.99K $1.92 Direct F1, F5
transaction CSTL Stock option (right to buy) Options Exercise $0 -6.41K -73.57% $0.00 2.3K Sep 2, 2021 Common Stock 6.41K $2.39 Direct F1, F6
* 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 August 19, 2021.
F2 This transaction was executed in multiple trades at prices ranging from $74.59 to $75.58, 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 $75.60 to $76.45, 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 $76.70 to $77.63, 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 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.
F6 25% of the 12,305 shares originally subject to the option vested on May 10, 2019, and the remaining shares vest in 36 equal monthly installments thereafter.