Company: CSTL
Filing Date: 2025-11-03
Form Type: 10-Q
Source: 0001628280-25-048254
Chunk: 128

Company: CASTLE BIOSCIENCES INC
Filing Date: 2025-11-03
Form: 10-Q
Item: Item 8
Chunk 128
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 available under the 2019 Plan. As of September 30, 2025, 1,082,161 shares remained available for grant under the 2019 Plan. Inducement PlanOn December 22, 2022, our board of directors approved the 2022 Inducement Plan (the “Inducement Plan”). On August 5, 2025, our compensation committee amended the Inducement Plan to increase the number of shares issuable under the Inducement Plan by 700,000 shares. The Inducement Plan provides for the granting of awards as inducement material to the grantee’s entering into employment with us to the extent such grantee was not previously an employee of ours or is entering into employment following a bona fide period of non-employment with us. As of September 30, 2025, there were 828,770 shares available for grant under the amended Inducement Plan.Stock OptionsStock option activity under our stock plans for the nine months ended September 30, 2025 is set forth below:  Weighted-Average  Stock OptionsOutstandingExercisePriceRemainingContractualTerm (Years)AggregateIntrinsicValue(in thousands)Balance as of December 31, 20242,989,763 $36.23 Granted— $— Exercised(20,995)$5.44 Forfeited/Cancelled(88,499)$44.74 Balance as of September 30, 20252,880,269 $36.19 4.8$8,933 Exercisable as of September 30, 20252,840,192 $36.17 4.8$8,933 Restricted Stock UnitsThe following table summarizes our RSU activity for the nine months ended September 30, 2025:Restricted Stock Units OutstandingWeighted-Average Grant Date Fair ValueBalance as of December 31, 20243,196,224 $23.52 Granted1,542,992 $21.14 Vested(1)(601,937)$23.50 Forfeited/Cancelled(226,090)$23.44 Balance as of September 30, 20253,911,189$22.59 (1)The aggregate number of shares withheld upon vesting for employee tax obligations was 167,751 for the nine months ended September 30, 2025.

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