Bolt Biotherapeutics, Inc.
Business
Bolt Biotherapeutics is a clinical-stage biopharmaceutical company developing immuno-oncology therapies leveraging myeloid biology expertise. The company's proprietary Boltbody™ Immune-Stimulating Antibody Conjugate (ISAC) platform combines tumor-targeting antibodies with immune-stimulating linker-payloads to activate innate immune responses against cancer. The lead program, BDC-4182, targets claudin 18.2 in gastric and gastroesophageal junction cancers and is in Phase 1 development; additional pipeline programs include CEA ISAC, PD-L1 ISAC, and dectin-2 agonist antibody BDC-3042. The company collaborates with strategic partners including Genmab and Toray to expand its ISAC platform and maintains an exclusive license to foundational technology from Stanford University.
Summary from 10-K filed 2026-03-12
Financials
Consolidated Statement of Income
| Concept | Trend | FY 2025 2025-12-31 | FY 2024 2024-12-31 | FY 2023 2023-12-31 | FY 2022 2022-12-31 | FY 2021 2021-12-31 |
|---|---|---|---|---|---|---|
| Collaboration revenue | 8 | 8 | 8 | 6 | 1 | |
| Research and development | 29 | 57 | 62 | 73 | 76 | |
| General and administrative | 14 | 18 | 23 | 23 | 18 | |
| Restructuring charges | 1 | 3 | 0 | — | — | |
| Impairment charges | 0 | 1 | 0 | — | — | |
| Total operating expense | 44 | 81 | 84 | 96 | 94 | |
| Loss from operations | −36 | −73 | −76 | −90 | −93 | |
| Interest income, net | 2 | 5 | 7 | 2 | 281,000 | |
| Other income, net | 241,000 | 5 | 0 | — | — | |
| Total other income, net | 3 | 10 | 7 | 2 | −6 | |
| Net loss | −33 | −63 | −69 | −88 | −99 | |
| Net unrealized (loss) gain on marketable securities | −118,000 | 60,000 | 956,000 | −600,000 | −300,000 | |
| Comprehensive loss | −33 | −63 | −68 | −89 | −99 | |
| Net loss per share, basic | −17.85 | −33.06 | −1.83 | −2.36 | −2.97 | |
| Net loss per share, diluted | −17.85 | −33.06 | −1.83 | −2.36 | −2.97 | |
| Weighted-average shares outstanding, basic | 2 | 2 | 38 | 37 | 33 | |
| Weighted-average shares outstanding, diluted | 2 | 2 | 38 | 37 | 33 |
Consolidated Balance Sheet
| Concept | Trend | FY 2025 2025-12-31 | FY 2024 2024-12-31 | FY 2023 2023-12-31 | FY 2022 2022-12-31 | FY 2021 2021-12-31 |
|---|---|---|---|---|---|---|
| Cash and cash equivalents | 12 | 7 | 11 | 9 | 27 | |
| Short-term investments | 16 | 40 | 91 | 160 | 159 | |
| Restricted cash | 200,000 | 784,000 | 0 | — | — | |
| Prepaid expenses and other current assets | 3 | 3 | 4 | 4 | 3 | |
| Total current assets | 30 | 51 | 106 | 173 | 189 | |
| Property and equipment, net | 1 | 3 | 5 | 6 | 6 | |
| Operating lease right-of-use assets | 19 | 22 | 19 | 22 | 24 | |
| Restricted cash, non-current | 2 | 981,000 | 2 | 2 | 2 | |
| Long-term investments | 4 | 23 | 26 | 24 | 85 | |
| Other assets | 138,000 | 62,000 | 2 | 1 | 1 | |
| Total assets | 57 | 100 | 160 | 228 | 308 | |
| Accounts payable | 1 | 2 | 3 | 4 | 4 | |
| Accrued expenses and other current liabilities | 4 | 9 | 12 | 15 | 12 | |
| Deferred revenue | 449,000 | 3 | 2 | 2 | 3 | |
| Operating lease liabilities | 3 | 2 | 3 | 2 | 3 | |
| Total current liabilities | 8 | 16 | 20 | 23 | 21 | |
| Operating lease liabilities, net of current portion | 20 | 23 | 17 | 20 | 22 | |
| Deferred revenue, non-current | 2 | 4 | 9 | 13 | 14 | |
| Other long-term liabilities | 132,000 | 0 | 43,000 | 42,000 | 210,000 | |
| Total liabilities | 30 | 42 | 47 | 56 | 58 | |
| Commitments and contingencies (Note 6) | — | — | — | — | — | |
| Common stock, $0.00001 par value; 200,000,000 shares authorized at December 31, 2025 and 2024; 1,920,566 and 1,916,943 shares issued and outstanding at December 31, 2025 and 2024, respectively | 0 | 0 | 0 | 0 | 0 | |
| Additional paid-in capital | 487 | 485 | 477 | 468 | 457 | |
| Accumulated other comprehensive gain | −21,000 | 97,000 | 37,000 | −919,000 | −321,000 | |
| Accumulated deficit | −461 | −427 | −364 | −295 | −207 | |
| Total stockholders' equity | 27 | 57 | 113 | 172 | 250 | |
| Total liabilities and stockholders' equity | 57 | 100 | 160 | 228 | 308 |
Consolidated Statement of Cash Flows
| Concept | Trend | FY 2025 2025-12-31 | FY 2024 2024-12-31 | FY 2023 2023-12-31 | FY 2022 2022-12-31 | FY 2021 2021-12-31 |
|---|---|---|---|---|---|---|
| Net loss | −33 | −63 | −69 | −88 | −99 | |
| Depreciation and amortization | 1 | 2 | 2 | 2 | 1 | |
| Stock-based compensation expense | 3 | 7 | 9 | 10 | 9 | |
| Accretion of discount on marketable securities | −670,000 | −3 | −4 | 184,000 | 3 | |
| Gain on sale of fixed assets | −288,000 | −70,000 | 0 | — | — | |
| Non-cash lease expense | 3 | 2 | 3 | 3 | 2 | |
| Prepaid expenses and other assets | 76,000 | 3 | −454,000 | −903,000 | −568,000 | |
| Accounts payable and accrued expenses | −5 | −5 | −3 | 3 | 7 | |
| Operating lease liabilities, net | −2 | −1 | −2 | −3 | −1 | |
| Deferred revenue | −5 | −5 | −4 | −2 | 16 | |
| Other long-term liabilities | 132,000 | −43,000 | 1,000 | −164,000 | 4,000 | |
| Net cash used in operating activities | −40 | −61 | −70 | −77 | −57 | |
| Purchase of property and equipment | −72,000 | −41,000 | −206,000 | −2 | −2 | |
| Proceeds from sales of property and equipment | 963,000 | 148,000 | 0 | — | — | |
| Purchases of marketable securities | −29 | −89 | −165 | −181 | −313 | |
| Maturities of marketable securities | 72 | 146 | 236 | 241 | 84 | |
| Net cash provided by investing activities | 44 | 58 | 71 | 58 | −232 | |
| Proceeds from issuance of common stock | 19,000 | 108,000 | 253,000 | 503,000 | 1 | |
| Net cash provided by financing activities | 19,000 | 108,000 | 253,000 | 503,000 | 311 | |
| NET INCREASE (DECREASE) IN CASH | 4 | −4 | 2 | −18 | 22 | |
| Right of use assets obtained in exchange for operating lease obligations | 0 | 6 | 0 | 852,000 | 15 |
Filings
Material Events
Insiders
Institutional Holders
Frequently asked questions
What is Bolt Biotherapeutics, Inc.'s CIK number?
Bolt Biotherapeutics, Inc.'s SEC CIK number is 0001641281 (1641281). The CIK (Central Index Key) is the permanent identifier the SEC assigns to every EDGAR filer — unlike a ticker symbol, it never changes.
Where can I find Bolt Biotherapeutics, Inc.'s SEC filings?
All of Bolt Biotherapeutics, Inc.'s EDGAR filings — 10-K annual reports, 10-Q quarterly reports, 8-K material events, and insider transactions — are listed on this page, sourced live from SEC EDGAR.
When did Bolt Biotherapeutics, Inc. last report earnings?
Bolt Biotherapeutics, Inc. (BOLT) most recently filed an earnings 8-K with the SEC on May 12, 2026, furnishing its results under Item 2.02 (Results of Operations and Financial Condition). The earnings press release is attached to that filing (accession 0001193125-26-219361). This is Bolt Biotherapeutics, Inc.'s most recent earnings filing of record — not a forecast of its next earnings date.
What is Bolt Biotherapeutics, Inc.'s most recent earnings 8-K?
Bolt Biotherapeutics, Inc.'s latest earnings 8-K (Item 2.02) was filed May 12, 2026 under accession 0001193125-26-219361. It carries the quarterly or annual earnings press release — the earliest official, SEC-filed version of the results.
View Bolt Biotherapeutics, Inc.'s latest earnings 8-K →
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