Company: CSTL
Filing Date: 2025-05-05
Form Type: 10-Q
Source: 0001447362-25-000069
Chunk: 3

Company: CASTLE BIOSCIENCES INC
Filing Date: 2025-05-05
Form: 10-Q
Item: Item 1
Chunk 3
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AUDITED)(in thousands)

 Three Months EndedMarch 31, 20252024OPERATING ACTIVITIES  Net loss$(25,848)$(2,534)Adjustments to reconcile net loss to net cash used in operating activities:Depreciation and amortization29,764 3,340 Stock-based compensation expense11,179 12,675 Change in fair value of trading securities1,425 — Deferred income taxes(770)— Accretion of discounts on marketable investment securities(1,435)(1,699)Other30 179 Change in operating assets and liabilities:Accounts receivable(5,217)(4,262)Prepaid expenses and other current assets(3,364)(103)Inventory1,286 297 Operating lease assets420 338 Other assets(38)(230)Accounts payable615 (422)Operating lease liabilities(526)(250)Accrued compensation(14,698)(14,237)Other accrued and current liabilities1,141 73 Net cash used in operating activities(6,036)(6,835)INVESTING ACTIVITIESPurchases of marketable investment securities(48,431)(60,754)Proceeds from maturities of marketable investment securities36,300 50,200 Purchases of debt securities classified as held-to-maturity(5,569)— Purchases of property and equipment(4,740)(9,152)Proceeds from sale of property and equipment9 5 Net cash used in investing activities(22,431)(19,701)FINANCING ACTIVITIESProceeds from exercise of common stock options18 65 Payment of employees’ taxes on vested restricted stock units(2,515)(474)Proceeds from contributions to the employee stock purchase plan970 1,089 Repayment of principal portion of finance lease liabilities(26)(36)Proceeds from issuance of term debt— 10,000 Net cash (used in) provided by financing activities(1,553)10,644 NET CHANGE IN CASH AND CASH EQUIVALENTS(30,020)(15,892)Beginning of period119,709 98,841 End of period$89,689 $82,949 

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.5

Table of ContentsCASTLE BIOSCIENCES, INC.CONDENSED CONSOLIDATED STATEMENTS OF