Bolt Biotherapeutics, Inc. (BOLT) - Q2 2026 Filing Summary
Business Context and Reporting Period
This Form 10-Q covers the quarterly period ended June 30, 2026. Bolt Biotherapeutics, Inc. is a clinical-stage biopharmaceutical company developing novel immunotherapies for cancer, specifically utilizing its Boltbody Immune-Stimulating Antibody Conjugate (ISAC) platform. The company is classified as a non-accelerated filer, smaller reporting company, and emerging growth company. As of August 4, 2026, there were 1,926,345 shares of common stock outstanding.
Key Financial Metrics
| Metric (in thousands) | Three Months Ended June 30, 2026 | Six Months Ended June 30, 2026 | Balance Sheet (June 30, 2026) |
|---|---|---|---|
| Collaboration Revenue | $5 | $31 | N/A |
| Net Loss | $(7,720) | $(14,964) | N/A |
| Net Loss Per Share (Basic & Diluted) | $(4.57) | $(8.88) | N/A |
| Cash and Cash Equivalents | N/A | N/A | $12,860 |
| Short-term Investments | N/A | N/A | $4,738 |
| Total Assets | N/A | N/A | $40,344 |
| Accumulated Deficit | N/A | N/A | $(475,743) |
| Net Cash Used in Operating Activities | N/A | $(14,563) | N/A |
Material Changes vs. Prior Period
- Revenue Decline: Collaboration revenue dropped significantly from $1.8 million in Q2 2025 to $5,000 in Q2 2026. This decrease is attributed to limited activities with collaboration partners (Toray and Genmab) as the company awaits clinical trial results.
- Expense Reduction: Total operating expenses decreased by $2.6 million in Q2 2026 compared to Q2 2025. This reduction follows a workforce reduction of approximately 50% (20 employees) announced in October 2025. Research and Development (R&D) expenses fell by $2.3 million, and General and Administrative (G&A) expenses fell by $1.1 million.
- Impairment Charge: The company recorded an $808,000 impairment charge in Q2 2026 related to right-of-use assets. This was triggered by a sublessee's notification to terminate a sublease, indicating the carrying amount of the asset may not be recoverable. No such charge existed in the prior year period.
- Liquidity Position: Total cash, cash equivalents, and marketable securities decreased from $27.9 million at year-end 2025 to $18.1 million as of June 30, 2026, driven by operating losses and reduced investment maturities.
Outlook, Risks, and Management Commentary
- Going Concern Warning: Management has concluded there is substantial doubt about the company's ability to continue as a going concern for at least one year from the issuance date. Current cash and marketable securities ($18.1 million) are projected to fund operations only into the first quarter of 2027.
- Capital Needs: The company must raise additional capital through equity, debt, or partnerships to continue clinical programs and operations. There is no assurance that such funding will be available on acceptable terms.
- Clinical Pipeline: The Phase 1/2 clinical trial for BDC-4182 (targeting claudin 18.2) is ongoing. The company does not expect to perform additional R&D activities under the Genmab collaboration until the impact of BDC-4182 trial results is evaluated.
- Restructuring: The October 2025 restructuring plan is complete, with severance payments extending through July 2026. Remaining restructuring liability as of June 30, 2026, is $28,000.
- Lease Obligations: Despite the sublease termination, the company remains the primary obligor under the head lease for its Redwood City facility through 2031.
Investor Verification Checklist
- Cash Runway: Verify the specific timeline for cash depletion and the status of any active fundraising efforts or partnership negotiations.
- Sublease Termination Impact: Confirm the financial impact of the sublessee termination and the company's ability to re-lease the space or mitigate the $0.8 million impairment loss.
- Clinical Trial Status: Monitor the progress and data readouts of the BDC-4182 Phase 1/2 trial, as this is the primary driver for future collaboration revenue and potential funding.
- Collaboration Revenue Timing: Assess the likelihood of resuming revenue recognition from Toray and Genmab agreements based on the "opt-in" clauses and clinical milestones.
- Debt and Lease Liabilities: Review the total operating lease liabilities ($21.6 million) relative to the current cash position to understand long-term fixed obligations.