Company: CSTL
Filing Date: 2025-08-04
Form Type: 10-Q
Source: 0001447362-25-000097
Chunk: 4

Company: CASTLE BIOSCIENCES INC
Filing Date: 2025-08-04
Form: 10-Q
Item: Item 1
Chunk 4
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,523 — 4,523 BALANCE, JUNE 30, 202528,981,151 $29 $676,759 $(221,451)$39 $455,376 

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

Table of ContentsCASTLE BIOSCIENCES, INC.CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS(UNAUDITED)(in thousands)

 Six Months EndedJune 30, 20252024OPERATING ACTIVITIES  Net (loss) income$(21,325)$6,386 Adjustments to reconcile net (loss) income to net cash used in operating activities:Depreciation and amortization33,178 6,688 Stock-based compensation expense22,387 25,854 Change in fair value of trading securities240 — Deferred income taxes(5,437)(1,542)Accretion of discounts on marketable investment securities(2,606)(3,422)Other219 83 Change in operating assets and liabilities:Accounts receivable(1,307)(7,620)Prepaid expenses and other current assets(4,696)(294)Inventory(231)(71)Operating lease assets664 678 Other assets(13)143 Accounts payable1,689 (1,650)Operating lease liabilities(869)(432)Accrued compensation(7,582)(7,706)Other accrued and current liabilities474 68 Net cash provided by operating activities14,785 17,163 INVESTING ACTIVITIESPurchases of marketable investment securities(92,832)(113,194)Proceeds from maturities of marketable investment securities80,300 86,450 Purchases of debt securities classified as held-to-maturity(5,569)— Asset acquisition, net of cash and cash equivalents acquired(18,726)— Purchases of property and equipment(14,003)(14,381)Proceeds from sale of property and equipment21 7 Net cash used in investing activities(50,809)(41,118)FINANCING ACTIVITIESProceeds from exercise of common stock options37 73 Payment of employees’ taxes on vested restricted stock units(3,104)(1,089)Proceeds from contributions to the employee stock purchase plan1,482 1,749 Repayment of principal portion of finance lease liabilities(57)(