# Day One Biopharmaceuticals, Inc.

Day One Biopharmaceuticals, Inc. is a company headquartered in Brisbane, CA, United States.

## Company overview

- **Legal name:** Day One Biopharmaceuticals, Inc.
- **Former names in filing history:** Day One Biopharmaceuticals Holding Co LLC (2021-02-16 to 2021-05-26)
- **Classification:** Company
- **Industry (SIC):** 2834 — Pharmaceutical Preparations
- **Headquarters:** Brisbane, CA, United States
- **Incorporated in:** DE
- **Fiscal year end:** December 31
- **SEC CIK:** 0001845337

## About

Day One Biopharmaceuticals, Inc. is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001845337, and its reported industry is Pharmaceutical Preparations. In 10-K filed on 2026-02-24, it reported annual revenue of USD 158,182,000; net income of USD -107,322,000; total assets of USD 507,827,000 for the fiscal period ended 2025-12-31. The financial history preserves reporting periods, currencies, filing accessions and source provenance. Figures are reported filing data, rather than real-time estimates.

## Financials

Annual figures as originally reported. Currency is shown for each fiscal year; B means billion and M means million.

### FY2025 (period ended 2025-12-31)

- **Revenue:** $158.2M (USD 158,182,000)
- **Net income:** -$107.3M (USD -107,322,000)
- **Total assets:** $507.8M (USD 507,827,000)
- **Cash and equivalents:** $197.1M (USD 197,078,000)
- **Operating cash flow:** -$103.8M (USD -103,757,000)
- **Later filings:** Net income: shown as originally filed; later filings report different values for the same periods.

### FY2024 (period ended 2024-12-31)

- **Revenue:** $131.2M (USD 131,161,000)
- **Net income:** -$95.5M (USD -95,496,000)
- **Total assets:** $582.8M (USD 582,788,000)
- **Cash and equivalents:** $125.0M (USD 124,968,000)
- **Operating cash flow:** -$78.1M (USD -78,113,000)
- **Later filings:** Net income: shown as originally filed; later filings report different values for the same periods.

### FY2023 (period ended 2023-12-31)

- **Total assets:** $376.0M (USD 376,048,000)
- **Cash and equivalents:** $230.8M (USD 230,784,000)
- **Operating cash flow:** -$146.9M (USD -146,853,000)

### FY2022 (period ended 2022-12-31)

- **Total assets:** $349.1M (USD 349,062,000)
- **Cash and equivalents:** $85.3M (USD 85,262,000)
- **Operating cash flow:** -$109.9M (USD -109,874,000)

## Recent SEC filings

- Form 8-K — filed 2026-04-23 — period 2026-04-22 — 8-K
- Form 10-K/A — filed 2026-04-17 — period 2025-12-31 — 10-K/A
- Form 8-K — filed 2026-03-06 — period 2026-03-06 — 8-K
- Form 8-K — filed 2026-03-02 — period 2026-03-02 — 8-K
- Form 10-K — filed 2026-02-24 — period 2025-12-31 — 10-K
- Form 8-K — filed 2026-02-24 — period 2026-02-24 — 8-K
- Form 8-K — filed 2026-01-12 — period 2026-01-11 — 8-K
- Form 8-K — filed 2026-01-06 — period 2026-01-06 — FORM 8-K
- Form 8-K — filed 2025-11-24 — period 2025-11-24 — 8-K
- Form 8-K — filed 2025-11-13 — period 2025-11-12 — FORM 8-K
- Form 10-Q — filed 2025-11-04 — period 2025-09-30 — 10-Q
- Form 8-K — filed 2025-11-04 — period 2025-11-04 — 8-K

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Updated: 2026-10-23T20:10:52Z

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