CSTL
CASTLE BIOSCIENCES INCCompany Information
- Company Name
- CASTLE BIOSCIENCES INC
- CIK
- CIK0001447362
- Category
- Accelerated filer
- Ticker: Exchange
- CSTL: Nasdaq
- Fiscal Year End
- December 31
- Owner Organization
- 08 Industrial Applications and Services
- SIC
- 8071
- SIC Description
- Services-Medical Laboratories
- Ticker
- CSTL
SEC filing data through
Insider Sentiment
- Last purchase
- —
- Last sale
- 2026-09-21
- Shares purchased (TTM)
- 0
- Shares sold (TTM)
- 362,533
Institutional Sentiment
- As of
- 2026-06-30
- Institutional shares owned
- 26,378,761
- Shares outstanding
- 30,399,000
- Ownership
- 86.78%
Earnings Market Reaction
- Filing date
- 2026-07-30
- Price on filing date
- —
- 1-month reaction
- 27.66%
- 3-month reaction
- …
Balance Sheet
Values in millions ($)| Line item | 2026-06-30 | 2026-03-31 | 2025-12-31 | 2025-09-30 | 2025-06-30 | 2025-03-31 | 2024-12-31 | 2024-09-30 | 2024-06-30 | 2024-03-31 | 2023-12-31 | 2023-09-30 | Subscriber-only column | Subscriber-only column | Subscriber-only column | Subscriber-only column | Subscriber-only column | Trend |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Assets Current | ||||||||||||||||||
| Cash And Cash Equivalents At Carrying Value | 62 | 64 | 117 | 86 | 82 | 90 | 120 | 95 | 86 | 83 | 99 | 91 | ||||||
| Available For Sale Securities Debt Securities Current | - | - | - | - | - | - | - | 185 | 174 | 156 | 144 | 139 | ||||||
| Marketable Securities Current | 205 | 198 | 183 | 202 | 194 | 185 | 173 | - | - | - | 144 | - | ||||||
| Accounts Receivable Net Current | 48 | 42 | 43 | 49 | 52 | 56 | 51 | 50 | 46 | 43 | 38 | 37 | ||||||
| Inventory Net | 11 | 10 | 10 | 9 | 8 | 7 | 8 | 7 | 8 | 8 | 8 | 6 | ||||||
| Prepaid Expense And Other Assets Current | 15 | 14 | 8 | 12 | 12 | 11 | 8 | 8 | 7 | 6 | 6 | 7 | ||||||
| Assets Current | 341 | 329 | 361 | 358 | 349 | 349 | 360 | 345 | 320 | 296 | 296 | 280 | ||||||
| Marketable Securities Noncurrent | - | - | - | - | - | 6 | - | - | - | - | - | - | ||||||
| Accounts Receivable Net Noncurrent | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||||||
| Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization | 105 | 101 | 97 | 85 | 74 | 55 | 51 | 44 | 39 | 33 | 25 | 22 | ||||||
| Operating Lease Right Of Use Asset | 14 | 14 | 15 | 15 | 16 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | ||||||
| Intangible Assets Net Including Goodwill | 95 | 97 | 100 | 102 | 104 | 78 | 106 | 111 | 113 | 115 | 117 | 120 | ||||||
| Other Assets Noncurrent | 4 | 4 | 4 | 1 | 1 | 1 | 1 | 2 | 3 | 2 | 1 | 2 | ||||||
| Assets | 561 | 548 | 579 | 563 | 545 | 502 | 531 | 515 | 487 | 459 | 453 | 436 | ||||||
Liabilities Current | ||||||||||||||||||
| Accounts Payable Current | 10 | 15 | 19 | 12 | 13 | 9 | 7 | 7 | 10 | 9 | 10 | 7 | ||||||
| Employee Related Liabilities Current | 27 | 19 | 38 | 32 | 25 | 18 | 33 | 28 | 21 | 15 | 29 | 22 | ||||||
| Asset Acquisition Contingent Consideration Liability Current | 2 | 1 | 1 | 1 | 1 | - | 0 | - | - | - | - | - | ||||||
| Operating Lease Liability Current | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | ||||||
| Long Term Debt Current | 3 | 2 | 0 | 0 | 2 | 1 | 0 | - | - | - | 0 | - | ||||||
| Other Accrued Liabilities Current | 14 | 11 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | ||||||
| Liabilities Current | 57 | 49 | 69 | 55 | 51 | 37 | 49 | 44 | 39 | 32 | 48 | 36 | ||||||
| Long Term Debt Noncurrent | 7 | 8 | 10 | 10 | 8 | 9 | 10 | 10 | 10 | 10 | 0 | - | ||||||
| Asset Acquisition Contingent Consideration Liability Noncurrent | 0 | 2 | 2 | 2 | 2 | - | 0 | - | - | - | - | - | ||||||
| Operating Lease Liability Noncurrent | 25 | 25 | 25 | 25 | 25 | 14 | 14 | 15 | 14 | 14 | 14 | 13 | ||||||
| Finance Lease Liability Noncurrent | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - | 0 | - | ||||||
| Deferred Income Tax Liabilities Net | 2 | 2 | 2 | 3 | 3 | 1 | 2 | 4 | 0 | 0 | 0 | 0 | ||||||
| Other Liabilities Noncurrent | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 | ||||||
| Liabilities | 91 | 86 | 108 | 96 | 89 | 61 | 75 | 74 | 63 | 56 | 62 | 50 | ||||||
Stockholders Equity | ||||||||||||||||||
| Preferred Stock Value Outstanding | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||
| Common Stock Value Outstanding | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||
| Additional Paid In Capital | 711 | 700 | 695 | 689 | 677 | 666 | 656 | 650 | 636 | 623 | 609 | 602 | ||||||
| Retained Earnings Accumulated Deficit | -241 | -239 | -224 | -222 | -221 | -226 | -200 | -210 | -212 | -221 | -218 | -216 | ||||||
| Accumulated Other Comprehensive Income Loss Net Of Tax | -0 | -0 | 0 | 0 | 0 | 0 | 0 | 0 | -0 | -0 | 0 | -0 | ||||||
| Stockholders Equity | 470 | 461 | 471 | 467 | 455 | 440 | 456 | 441 | 424 | 402 | 391 | 386 | ||||||
| Liabilities And Stockholders Equity | 561 | 548 | 579 | 563 | 545 | 502 | 531 | 515 | 487 | 459 | 453 | 436 | ||||||
| Preferred Stock Par Or Stated Value Per Share | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ||||||
| Preferred Stock Shares Authorized | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | ||||||
| Preferred Stock Shares Issued | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||
| Preferred Stock Shares Outstanding | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||
| Common Stock Par Or Stated Value Per Share | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ||||||
| Common Stock Shares Authorized | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | ||||||
| Common Stock Shares Issued | 31 | 30 | 30 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 27 | 27 | ||||||
| Shares Outstanding | 31 | 30 | 30 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 27 | 27 | ||||||
Select a line item above to chart it.
Recent filings
- 10-QFiled
- 10-QFiled
- 10-KFiled
- 10-QFiled
- 10-QFiled
- 10-QFiled
- 10-KFiled
- 10-QFiled
- 10-QFiled
- 10-QFiled
- 10-KFiled
- 10-QFiled
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Start 7-day free trialCASTLE BIOSCIENCES INC (CSTL) — SEC Financial Statements & Analysis
CASTLE BIOSCIENCES INC (CSTL) is a services-medical laboratories company, incorporated in DE. CASTLE BIOSCIENCES INC trades on Nasdaq as: CSTL. CASTLE BIOSCIENCES INC (CSTL)'s most recent SEC filing is a Form 10-Q for the period ended 2026-06-30, filed with the SEC on 2026-07-30. Based on that filing, CASTLE BIOSCIENCES INC carries a market cap of $725.02M, a P/E ratio of -37.34x, a P/B ratio of 1.54x, a P/S ratio of 2.03x, an enterprise value of $672.98M, and an EV/EBITDA multiple of -40.75x. On profitability, it posts a gross margin of 77.26%, an operating margin of -8.99%, a net margin of -5.43%, a Return on Equity (ROE) of -4.20%, a Return on Assets (ROA) of -3.51%, and a Return on Invested Capital (ROIC) of -7.88%. Per share, it reports EPS of $-0.64, diluted EPS of $-0.64, free cash flow per share of $-0.02, and a dividend per share of $0.00. Over the trailing year, it posted revenue growth of 3.18% year-over-year, net income growth of 105.10% year-over-year, and EPS growth of 95.08% year-over-year. On the balance sheet, it maintains a current ratio of 6.04x, a quick ratio of 5.58x, working capital of $284.59M, a debt-to-equity ratio of 0.19x, a debt ratio of 0.16, an interest coverage ratio of -85.62x, free cash flow of $-489.00K (TTM), and net debt of $-52.04M. Figures sourced from SEC EDGAR.
- Market Cap
- $725.02M
- P/E TTM
- -37.34x
- EPS TTM
- $-0.64
- P/B TTM
- 1.54x
- ROE TTM
- -4.20%
- ROA TTM
- -3.51%
- Debt To Equity
- 0.19x
- Free Cash Flow TTM
- $-489.00K
- Net Revenue TTM Growth 1Y
- 3.18%
Data as of 2026-06-30 · Source: SEC EDGAR
Frequently Asked Questions
What industry is CASTLE BIOSCIENCES INC in?
CASTLE BIOSCIENCES INC (CSTL) operates in the Services-Medical Laboratories industry.
What exchange does CSTL trade on?
CASTLE BIOSCIENCES INC (CSTL) trades on the Nasdaq.
Where is CASTLE BIOSCIENCES INC incorporated?
CASTLE BIOSCIENCES INC is incorporated in DE.
When was CASTLE BIOSCIENCES INC (CSTL)'s most recent SEC filing?
CASTLE BIOSCIENCES INC (CSTL)'s most recent SEC filing is a Form 10-Q for the period ended 2026-06-30, filed with the SEC on 2026-07-30.
What is CSTL's market cap?
CASTLE BIOSCIENCES INC (CSTL) has a market capitalization of $725.02M as of 2026-06-30.
What is CSTL's EPS (earnings per share)?
CASTLE BIOSCIENCES INC (CSTL)'s trailing twelve month EPS is $-0.64 as of 2026-06-30.
What is CSTL's ROE (return on equity)?
CASTLE BIOSCIENCES INC (CSTL)'s trailing twelve month Return on Equity (ROE) is -4.20% as of 2026-06-30.
What is CSTL's ROA (return on assets)?
CASTLE BIOSCIENCES INC (CSTL)'s trailing twelve month Return on Assets (ROA) is -3.51% as of 2026-06-30.
What is CSTL's ROIC (return on invested capital)?
CASTLE BIOSCIENCES INC (CSTL)'s trailing twelve month Return on Invested Capital (ROIC) is -7.88% as of 2026-06-30.
What is CSTL's EV/EBITDA?
CASTLE BIOSCIENCES INC (CSTL)'s trailing twelve month EV/EBITDA is -40.75x as of 2026-06-30.