Company research
CASTLE BIOSCIENCES INC
CIK 1447362Updated Nov 10, 2026
SecurityCSTL · NASDAQ · equity
CSTL price & chart
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Seeking Alpha
Castle Biosciences, Inc. 2026 Q3 - Results - Earnings Call Presentation ↗
Castle Biosciences signals $385M-$395M 2026 revenue outlook as TissueCypher targets 50%-52% volume growth ↗
Castle Biosciences, Inc. (CSTL) Q3 2026 Earnings Call Transcript ↗
SEC disclosures
CASTLE BIOSCIENCES INC files 8-K: Material Event ↗
Recent filings
10-Q filing
Results of Operations and Financial Condition · Regulation FD Disclosure
Items 2.02, 7.01, 9.01
4 filing
144 filing
SCHEDULE 13G/A - filed by PRINCIPAL GLOBAL INVESTORS regarding CASTLE BIOSCIENCES INC
Show 5 more recent filings
Financials
FY 2025 · USDSource
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balance sheet · annual statements
| Line item | Q3 2025 | Q3 2024 | Q2 2026 | Q2 2025 | Q2 2024 | Q1 2026 | Q1 2025 | Q1 2024 | FY 2025 | FY 2024 | FY 2023 | FY 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ASSETS | ||||||||||||
| AssetsUSD | 562,786,000Source | 514,565,000Source | 561,177,000Source | 544,729,000Source | 487,312,000Source | 547,805,000Source | 501,715,000Source | 458,507,000Source | 578,556,000Source | 531,235,000Source | 453,340,000Source | 447,329,000Source |
| Property, Plant and Equipment, NetUSD | — | — | — | — | — | — | — | — | — | — | — | 14,315,000Source |
| GoodwillUSD | 10,700,000Source | 10,700,000Source | 10,700,000Source | 10,700,000Source | 10,700,000Source | 10,700,000Source | 10,700,000Source | 10,700,000Source | 10,700,000Source | 10,700,000Source | 10,700,000Source | 10,692,000Source |
| Current assets: | ||||||||||||
| Cash and Cash Equivalents, at Carrying ValueUSD | 85,556,000Source | 94,959,000Source | 62,116,000Source | 82,233,000Source | 85,572,000Source | 63,764,000Source | 89,689,000Source | 82,949,000Source | 116,729,000Source | 119,709,000Source | 98,841,000Source | 122,948,000Source |
| Accounts Receivable, after Allowance for Credit Loss, CurrentUSD | 49,482,000Source | 50,261,000Source | 48,341,000Source | 52,311,000Source | 45,988,000Source | 42,264,000Source | 56,353,000Source | 42,699,000Source | 43,382,000Source | 51,218,000Source | 38,302,000Source | 23,476,000Source |
| Inventory, NetUSD | 8,650,000Source | 6,572,000Source | 10,580,000Source | 8,366,000Source | 8,013,000Source | 10,461,000Source | 6,849,000Source | 7,645,000Source | 10,254,000Source | 8,135,000Source | 7,942,000Source | 3,980,000Source |
| Assets, CurrentUSD | 357,569,000Source | 344,772,000Source | 341,100,000Source | 348,668,000Source | 320,405,000Source | 328,901,000Source | 349,388,000Source | 295,778,000Source | 361,097,000Source | 360,154,000Source | 295,635,000Source | 292,288,000Source |
| Prepaid Expense and Other Assets, CurrentUSD | 11,895,000Source | 8,154,000Source | 15,374,000Source | 12,061,000Source | 6,716,000Source | 14,491,000Source | 11,035,000Source | 6,221,000Source | 7,956,000Source | 7,671,000Source | 6,292,000Source | 6,207,000Source |
| Operating Lease, Right-of-Use AssetUSD | 15,151,000Source | 11,904,000Source | 14,196,000Source | 15,503,000Source | 11,621,000Source | 14,424,000Source | 11,164,000Source | 11,961,000Source | 14,795,000Source | 11,584,000Source | 12,306,000Source | 12,181,000Source |
| Other Assets, NoncurrentUSD | 1,282,000Source | 1,831,000Source | 4,442,000Source | 1,241,000Source | 2,683,000Source | 4,278,000Source | 1,266,000Source | 1,720,000Source | 3,769,000Source | 1,228,000Source | 1,440,000Source | 1,110,000Source |
| LIABILITIES AND EQUITY | ||||||||||||
| LiabilitiesUSD | 95,740,000Source | 73,510,000Source | 91,147,000Source | 89,353,000Source | 63,419,000Source | 86,389,000Source | 61,409,000Source | 56,045,000Source | 107,683,000Source | 75,400,000Source | 62,071,000Source | 48,179,000Source |
| Stockholders’ equity: | ||||||||||||
| Additional Paid in CapitalUSD | 688,729,000Source | 650,270,000Source | 711,121,000Source | 676,759,000Source | 636,022,000Source | 700,255,000Source | 666,120,000Source | 623,450,000Source | 694,860,000Source | 655,703,000Source | 609,477,000Source | 560,409,000Source |
| Retained Earnings (Accumulated Deficit)USD | -221,952,000Source | -209,716,000Source | -240,866,000Source | -221,451,000Source | -211,985,000Source | -238,806,000Source | -225,974,000Source | -220,905,000Source | -224,284,000Source | -200,126,000Source | -218,371,000Source | -160,905,000Source |
| Accumulated Other Comprehensive Income (Loss), Net of TaxUSD | 240,000Source | 473,000Source | -256,000Source | 39,000Source | -172,000Source | -63,000Source | 131,000Source | -111,000Source | 267,000Source | 230,000Source | 136,000Source | -381,000Source |
| Stockholders' Equity Attributable to ParentUSD | 467,046,000Source | 441,055,000Source | 470,030,000Source | 455,376,000Source | 423,893,000Source | 461,416,000Source | 440,306,000Source | 402,462,000Source | 470,873,000Source | 455,835,000Source | 391,269,000Source | 399,150,000Source |
| Liabilities and EquityUSD | 562,786,000Source | 514,565,000Source | 561,177,000Source | 544,729,000Source | 487,312,000Source | 547,805,000Source | 501,715,000Source | 458,507,000Source | 578,556,000Source | 531,235,000Source | 453,340,000Source | 447,329,000Source |
| Current liabilities: | ||||||||||||
| Liabilities, CurrentUSD | 55,308,000Source | 44,295,000Source | 56,509,000Source | 50,890,000Source | 39,454,000Source | 48,761,000Source | 37,274,000Source | 31,959,000Source | 68,677,000Source | 49,392,000Source | 47,667,000Source | 36,128,000Source |
| Operating Lease, Liability, CurrentUSD | 1,449,000Source | 1,745,000Source | 1,417,000Source | 1,571,000Source | 1,226,000Source | 1,254,000Source | 1,435,000Source | 1,189,000Source | 1,325,000Source | 1,665,000Source | 1,137,000Source | 1,777,000Source |
| Accounts Payable, CurrentUSD | 12,211,000Source | 6,810,000Source | 9,668,000Source | 13,181,000Source | 9,540,000Source | 15,038,000Source | 8,502,000Source | 9,318,000Source | 18,711,000Source | 6,901,000Source | 10,268,000Source | 4,731,000Source |
| Operating Lease, Liability, NoncurrentUSD | 25,302,000Source | 14,691,000Source | 24,894,000Source | 25,377,000Source | 13,645,000Source | 25,116,000Source | 14,049,000Source | 13,864,000Source | 25,217,000Source | 14,345,000Source | 14,173,000Source | 11,533,000Source |
| Deferred Income Tax Liabilities, NetUSD | 3,242,000Source | 4,220,000Source | 2,322,000Source | 3,126,000Source | 0Source | 2,325,000Source | 837,000Source | 206,000Source | 2,335,000Source | 1,607,000Source | 206,000Source | 428,000Source |
| Other Liabilities, NoncurrentUSD | — | — | — | — | — | — | — | 16,000Source | — | — | 25,000Source | 90,000Source |
| Additional Financial Items | ||||||||||||
| Deferred Tax Liabilities, NetUSD | — | — | — | — | — | — | — | — | 2,335,000Source | 1,607,000Source | 206,000Source | 428,000Source |
| Long-term Debt, Excluding Current Maturities | —Source | —Source | —Source | —Source | —Source | —Source | —Source | —Source | —Source | —Source | — | — |
| Long-term Debt, Current MaturitiesUSD | 0Source | 0Source | 2,917,000Source | 1,944,000Source | 0Source | 1,667,000Source | 1,111,000Source | 0Source | 417,000Source | 278,000Source | — | — |
| Long-term Debt, Excluding Current MaturitiesUSD | 10,049,000Source | 10,015,000Source | 7,158,000Source | 8,096,000Source | 10,008,000Source | 8,399,000Source | 8,921,000Source | 10,000,000Source | 9,640,000Source | 9,745,000Source | — | — |
cash flow · annual statements
| Line item | Q4 2025 | Q4 2024 | Q3 2025 | Q3 2024 | Q2 2026 | Q2 2025 | Q1 2026 | Q1 2025 | FY 2025 | FY 2024 | FY 2023 | FY 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cash flows from operating activities: | ||||||||||||
| Adjustments to reconcile net income to net cash provided by operating activities: | ||||||||||||
| Depreciation, Depletion and AmortizationUSD | — | — | — | — | — | — | 3,929,000Source | 29,764,000Source | 40,771,000Source | 15,997,000Source | 12,330,000Source | 10,543,000Source |
| Share-based Payment Arrangement, Noncash ExpenseUSD | — | — | — | — | — | — | 9,776,000Source | 11,179,000Source | 45,893,000Source | 50,320,000Source | 51,219,000Source | 36,321,000Source |
| Changes in operating assets and liabilities: | ||||||||||||
| Increase (Decrease) in Accounts ReceivableUSD | — | — | — | — | — | — | -1,075,000Source | 5,217,000Source | -6,876,000Source | 12,643,000Source | 14,930,000Source | 6,218,000Source |
| Increase (Decrease) in InventoriesUSD | — | — | — | — | — | — | 207,000Source | -1,286,000Source | 2,142,000Source | 193,000Source | 3,962,000Source | 1,680,000Source |
| Increase (Decrease) in Accounts PayableUSD | — | — | — | — | — | — | 3,193,000Source | 615,000Source | 3,078,000Source | -4,372,000Source | 5,707,000Source | 582,000Source |
| Deferred Income Tax Expense (Benefit)USD | — | — | — | — | — | — | -10,000Source | -770,000Source | -6,228,000Source | 1,401,000Source | -223,000Source | -1,877,000Source |
| Net Cash Provided by (Used in) Operating ActivitiesUSD | — | — | — | — | — | — | -22,129,000Source | -6,036,000Source | 64,347,000Source | 64,866,000Source | -5,626,000Source | -41,655,000Source |
| Cash flows from investing activities: | ||||||||||||
| Payments to Acquire Businesses, Net of Cash AcquiredUSD | — | — | — | — | — | — | — | — | — | 0Source | 0Source | 26,966,000Source |
| Net Cash Provided by (Used in) Investing ActivitiesUSD | — | — | — | — | — | — | -25,803,000Source | -22,431,000Source | -60,367,000Source | -50,137,000Source | -16,183,000Source | -166,545,000Source |
| Payments to Acquire Property, Plant, and EquipmentUSD | — | — | — | — | — | — | 12,455,000Source | 4,740,000Source | 36,021,000Source | 28,326,000Source | 13,621,000Source | 5,632,000Source |
| Cash flows from financing activities: | ||||||||||||
| Payment, Tax Withholding, Share-based Payment ArrangementUSD | — | — | — | — | — | — | 6,598,000Source | 2,515,000Source | 11,657,000Source | 8,762,000Source | 5,134,000Source | 1,688,000Source |
| Net Cash Provided by (Used in) Financing ActivitiesUSD | — | — | — | — | — | — | -5,033,000Source | -1,553,000Source | -6,960,000Source | 6,139,000Source | -2,298,000Source | 1,515,000Source |
| Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate EffectUSD | — | — | — | — | — | — | -52,965,000Source | -30,020,000Source | -2,980,000Source | 20,868,000Source | -24,107,000Source | -206,685,000Source |
| Cash, Cash Equivalents, Restricted Cash and Restricted Cash EquivalentsUSD | — | — | 85,556,000Source | 94,959,000Source | 62,116,000Source | 82,233,000Source | 63,764,000Source | 89,689,000Source | 116,729,000Source | 119,709,000Source | 98,841,000Source | 122,948,000Source |
| Supplemental disclosure of cash flow information: | ||||||||||||
| Interest Paid, Excluding Capitalized Interest, Operating ActivitiesUSD | — | — | — | — | — | — | — | — | 59,000Source | 434,000Source | 11,000Source | 16,000Source |
| Income Taxes Paid, NetUSD | — | — | — | — | — | — | — | — | 1,601,000Source | 2,503,000Source | 198,000Source | 120,000Source |
| Additional Financial Items | ||||||||||||
| Share-based Payment Arrangement, ExpenseUSD | — | — | 12,100,000Source | 13,027,000Source | 11,589,000Source | 11,208,000Source | 9,776,000Source | 11,179,000Source | 45,893,000Source | 50,320,000Source | 51,219,000Source | 36,321,000Source |
| Amortization of Intangible AssetsUSD | — | — | 2,276,000Source | 2,272,000Source | 2,251,000Source | 1,961,000Source | 2,226,000Source | 28,325,000Source | 34,838,000Source | 11,106,000Source | 9,013,000Source | 8,266,000Source |
| AssetAcquisitionContingentConsiderationLiabilityUSD | — | — | 2,500,000Source | 0Source | 0Source | 2,500,000Source | — | — | 2,500,000Source | — | — | 0Source |
| Debt Securities, Available-for-sale, Realized Gain (Loss)USD | — | — | — | 0Source | — | 0Source | — | 0Source | — | 0Source | 0Source | 0Source |
| Debt Securities, Realized Gain (Loss)USD | — | — | 0Source | 0Source | 0Source | 0Source | 0Source | 0Source | 0Source | — | — | — |
| DepreciationUSD | — | — | 1,540,000Source | 1,269,000Source | 1,819,000Source | 1,453,000Source | 1,703,000Source | 1,439,000Source | 5,933,000Source | 4,891,000Source | 3,317,000Source | 2,278,000Source |
| Equity Securities, FV-NI, Gain (Loss)USD | — | — | — | — | -630,000Source | 1,185,000Source | 2,022,000Source | -1,425,000Source | 1,466,000Source | — | — | — |
| Equity Securities, FV-NI, Realized Gain (Loss)USD | — | — | — | — | -386,000Source | 0Source | -127,000Source | 0Source | 484,000Source | — | — | — |
| Equity Securities, FV-NI, Unrealized Gain (Loss)USD | — | — | 3,561,000Source | 0Source | -244,000Source | 1,185,000Source | 2,149,000Source | -1,425,000Source | 982,000Source | 555,000Source | — | — |
| GoodwillUSD | — | — | 10,700,000Source | 10,700,000Source | 10,700,000Source | 10,700,000Source | 10,700,000Source | 10,700,000Source | 10,700,000Source | 10,700,000Source | 10,700,000Source | 10,692,000Source |
| Goodwill, Impairment LossUSD | — | — | — | 0Source | — | — | — | — | — | — | 0Source | 0Source |
| Income Tax Expense (Benefit)USD | — | — | 115,000Source | 6,013,000Source | 370,000Source | -4,666,000Source | 109,000Source | -423,000Source | -5,356,000Source | 3,319,000Source | 101,000Source | -1,766,000Source |
| InterestExpenseNonoperatingUSD | — | — | 24,000Source | 201,000Source | 193,000Source | 21,000Source | 134,000Source | 17,000Source | 86,000Source | 577,000Source | — | — |
| Investment Income, InterestUSD | — | — | 2,833,000Source | 3,404,000Source | 2,356,000Source | 2,944,000Source | 2,545,000Source | 3,099,000Source | 11,772,000Source | 12,916,000Source | — | 3,968,000Source |
| Net Income (Loss) Attributable to ParentUSD | — | — | -501,000Source | 2,269,000Source | -2,060,000Source | 4,523,000Source | -14,522,000Source | -25,848,000Source | -24,158,000Source | 18,245,000Source | -57,466,000Source | -67,138,000Source |
| Other Nonoperating Income (Expense)USD | — | — | 48,000Source | 0Source | -153,000Source | 0Source | -439,000Source | 0Source | 144,000Source | — | — | — |
| Proceeds from Stock Options ExercisedUSD | — | — | — | — | — | — | 322,000Source | 18,000Source | 2,206,000Source | 2,017,000Source | 269,000Source | 833,000Source |
income statement · annual statements
| Line item | Q4 2025 | Q4 2024 | Q3 2025 | Q3 2024 | Q2 2026 | Q2 2025 | Q1 2026 | Q1 2025 | FY 2025 | FY 2024 | FY 2023 | FY 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total RevenueUSD | — | — | 83,043,000Source | 85,782,000Source | 103,546,000Source | 86,188,000Source | 83,679,000Source | 87,988,000Source | 344,229,000Source | 332,069,000Source | 219,788,000Source | 137,039,000Source |
| Cost of Goods and Services Sold | — | — | —Source | —Source | —Source | —Source | —Source | —Source | —Source | —Source | —Source | —Source |
| Gross Profit (Calculated) · Derived | — | — | — | — | — | — | — | — | — | — | — | — |
| Selling, General and Administrative ExpenseUSD | — | — | 55,907,000Source | 50,499,000Source | 66,122,000Source | 58,065,000Source | 64,899,000Source | 58,620,000Source | 229,323,000Source | 200,047,000Source | 180,152,000Source | 143,003,000Source |
| Operating Income (Loss)USD | — | — | -6,804,000Source | 5,079,000Source | -3,070,000Source | -4,251,000Source | -18,407,000Source | -27,928,000Source | -42,810,000Source | 8,670,000Source | -67,977,000Source | -72,855,000Source |
| Other Nonoperating Income (Expense)USD | — | — | 48,000Source | 0Source | -153,000Source | 0Source | -439,000Source | 0Source | 144,000Source | — | — | — |
| Income Tax Expense (Benefit)USD | — | — | 115,000Source | 6,013,000Source | 370,000Source | -4,666,000Source | 109,000Source | -423,000Source | -5,356,000Source | 3,319,000Source | 101,000Source | -1,766,000Source |
| Net Income (Loss) Attributable to ParentUSD | — | — | -501,000Source | 2,269,000Source | -2,060,000Source | 4,523,000Source | -14,522,000Source | -25,848,000Source | -24,158,000Source | 18,245,000Source | -57,466,000Source | -67,138,000Source |
| Earnings Per Share, BasicUSD per share | — | — | -0.02Source | 0.08Source | -0.07Source | 0.16Source | -0.49Source | -0.9Source | -0.83Source | 0.66Source | -2.14Source | -2.58Source |
| Earnings Per Share, DilutedUSD per share | — | — | -0.02Source | 0.08Source | -0.07Source | 0.15Source | -0.49Source | -0.9Source | -0.83Source | 0.62Source | -2.14Source | -2.58Source |
| Weighted Average Number of Shares Outstanding, Basicshares | — | — | 29,073,000Source | 27,840,000Source | 30,399,000Source | 28,914,000Source | 29,889,000Source | 28,609,000Source | 28,986,000Source | 27,776,000Source | 26,802,000Source | 26,054,000Source |
| Weighted Average Number of Shares Outstanding, Dilutedshares | — | — | 29,073,000Source | 29,401,000Source | 30,399,000Source | 29,545,000Source | 29,889,000Source | 28,609,000Source | 28,986,000Source | 29,255,000Source | 26,802,000Source | 26,054,000Source |
| Interest Expense (non-operating)USD | — | — | 24,000Source | 201,000Source | 193,000Source | 21,000Source | 134,000Source | 17,000Source | 86,000Source | 577,000Source | — | — |
| Additional Financial Items | ||||||||||||
| Amortization of Intangible AssetsUSD | — | — | 2,276,000Source | 2,272,000Source | 2,251,000Source | 1,961,000Source | 2,226,000Source | 28,325,000Source | 34,838,000Source | 11,106,000Source | 9,013,000Source | 8,266,000Source |
| Common Stock, Dividends, Per Share, DeclaredUSD per share | — | — | — | — | — | — | — | — | 0Source | 0Source | 0Source | 0Source |
| Current Income Tax Expense (Benefit)USD | — | — | — | — | — | — | — | — | 872,000Source | 1,918,000Source | 324,000Source | 111,000Source |
| Debt Securities, Realized Gain (Loss)USD | — | — | 0Source | 0Source | 0Source | 0Source | 0Source | 0Source | 0Source | — | — | — |
| Equity Securities, FV-NI, Realized Gain (Loss)USD | — | — | — | — | -386,000Source | 0Source | -127,000Source | 0Source | 484,000Source | — | — | — |
| Goodwill, Impairment LossUSD | — | — | — | 0Source | — | — | — | — | — | — | 0Source | 0Source |
| Income (Loss) Attributable to Parent, before TaxUSD | — | — | -386,000Source | 8,282,000Source | -1,690,000Source | -143,000Source | -14,413,000Source | -26,271,000Source | -29,514,000Source | 21,564,000Source | -57,365,000Source | -68,904,000Source |
| Interest ExpenseUSD | — | — | — | 192,000Source | — | 9,000Source | — | 8,000Source | — | — | 11,000Source | 17,000Source |
| Investment Income, InterestUSD | — | — | 2,833,000Source | 3,404,000Source | 2,356,000Source | 2,944,000Source | 2,545,000Source | 3,099,000Source | 11,772,000Source | 12,916,000Source | — | 3,968,000Source |
| Research and Development ExpenseUSD | — | — | 12,960,000Source | 12,323,000Source | 14,543,000Source | 12,787,000Source | 14,428,000Source | 12,588,000Source | 51,850,000Source | 52,041,000Source | 53,618,000Source | 44,903,000Source |