Company: CSTL
Filing Date: 2025-08-04
Form Type: 10-Q
Source: 0001447362-25-000097
Chunk: 3

Company: CASTLE BIOSCIENCES INC
Filing Date: 2025-08-04
Form: 10-Q
Item: Item 1
Chunk 3
---
 stock from vested restricted stock units and payment of employees’ taxes123,576 — (615)— — (615)Net unrealized loss on marketable investment securities— — — — (61)(61)Net income— — — 8,920 — 8,920 BALANCE, JUNE 30, 202427,711,024 $28 $636,022 $(211,985)$(172)$423,893 

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

Table of ContentsCASTLE BIOSCIENCES, INC.CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY(UNAUDITED)(in thousands, except share data)

Common StockAdditionalPaid-inCapitalAccumulatedDeficitAccumulatedOther Comprehensive Income (Loss) TotalStockholders’EquitySharesAmountBALANCE, 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 Stock-based compensation expense— — 11,208 — — 11,208 Exercise of common stock options10,664 — 19 — — 19 Issuance of common stock from vested restricted stock units and payment of employees’ taxes125,550 — (588)— — (588)Net unrealized loss on marketable investment securities— — — — (92)(92)Net income— — — 4