Company: CSTL
Filing Date: 2025-05-05
Form Type: 10-Q
Source: 0001447362-25-000069
Chunk: 2

Company: CASTLE BIOSCIENCES INC
Filing Date: 2025-05-05
Form: 10-Q
Item: Item 1
Chunk 2
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 share data)

Common StockAdditionalPaid-inCapitalAccumulatedDeficitAccumulatedOther Comprehensive (Loss) income TotalStockholders’EquitySharesAmountBALANCE, JANUARY 1, 202427,410,532 $27 $609,477 $(218,371)$136 $391,269 Stock-based compensation expense— — 12,675 — — 12,675 Exercise of common stock options19,066 — 65 — — 65 Issuance of common stock from vested restricted stock units and payment of employees’ taxes44,830 — (474)— — (474)Issuance of common stock under the employee stock purchase plan111,241 1 1,707 — — 1,708 Net unrealized loss on marketable investment securities— — — — (247)(247)Net loss— — — (2,534)— (2,534)BALANCE, MARCH 31, 202427,585,669 $28 $623,450 $(220,905)$(111)$402,462 BALANCE, JANUARY 1, 202528,483,195 $28 $655,703 $(200,126)$230 $455,835 Stock-based compensation expense— — 11,179 — — 11,179 Exercise of common stock options6,331 — 18 — — 18 Issuance of common stock from vested restricted stock units and payment of employees’ taxes251,970 1 (2,517)— — (2,516)Issuance of common stock under the employee stock purchase plan103,441 — 1,737 — — 1,737 Net unrealized loss on marketable investment securities— — — — (99)(99)Net loss— — — (25,848)— (25,848)BALANCE, MARCH 31, 202528,844,937 $29 $666,120 $(225,974)$131 $440,306 

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.4

Table of ContentsCASTLE BIOSCIENCES, INC.CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS(UN