Company: CSTL
Filing Date: 2025-11-03
Form Type: 10-Q
Source: 0001628280-25-048254
Chunk: 1

Company: CASTLE BIOSCIENCES INC
Filing Date: 2025-11-03
Form: 10-Q
Item: Item 1
Chunk 1
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, 2025 and December 31, 2024, respectively29 28 Additional paid-in capital688,729 655,703 Accumulated deficit(221,952)(200,126)Accumulated other comprehensive income240 230 Total stockholders’ equity467,046 455,835 Total liabilities and stockholders’ equity$562,786 $531,235 

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.1

Table of Contents

CASTLE BIOSCIENCES, INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(UNAUDITED)

(in thousands, except per share data)

Three Months EndedSeptember 30,Nine Months EndedSeptember 30,2025202420252024NET REVENUES$83,043 $85,782 $257,219 $245,758 OPERATING EXPENSESCost of sales (exclusive of amortization of acquired intangible assets)18,704 15,609 52,713 44,022 Research and development12,960 12,323 38,335 40,268 Selling, general and administrative55,907 50,499 172,592 150,082 Amortization of acquired intangible assets2,276 2,272 32,562 6,766 Total operating expenses, net89,847 80,703 296,202 241,138 Operating (loss) income(6,804)5,079 (38,983)4,620 Interest income2,833 3,404 8,876 9,544 Changes in fair value of equity securities3,561 — 3,321 — Interest expense(24)(201)(62)(485)Other expense48 — 48 — (Loss) income before income taxes(386)8,282 (26,800)13,679 Income tax expense (benefit)115 6,013 (4,974)5,024 Net (loss) income$(501)$2,269 $(21,826)$8,655 Earnings (loss) per share:Basic$(0.02)$0.08 $(0.76)$0.31 Diluted$(0.02)$0.08 $(0.76)$0.30 Weighted-average shares outstanding:Basic29,073 27