Silverbox Corp IV - 10-Q Summary (Q3 2025)
Business Context and Reporting Period
Silverbox Corp IV is a Cayman Islands exempted corporation and a Special Purpose Acquisition Company (SPAC) incorporated on April 16, 2024. The company has not commenced operations and is searching for a target for an initial business combination. This report covers the quarter ended September 30, 2025. On August 6, 2025, the company entered into a definitive Business Combination Agreement with Parataxis Holdings Inc.
Key Financial Metrics
| Metric | Q3 2025 (3 Months) | YTD 2025 (9 Months) | Balance Sheet (Sep 30, 2025) |
|---|---|---|---|
| Revenue | $0 | $0 | N/A |
| Net Income | $637,702 | $4,031,086 | N/A |
| Operating Expenses | $1,564,598 | $2,469,541 | N/A |
| Interest Income (Trust) | $2,255,300 | $6,553,627 | N/A |
| Cash (Outside Trust) | N/A | N/A | $55,669 |
| Trust Account Balance | N/A | N/A | $211,208,265 |
| Total Liabilities | N/A | N/A | $12,598,611 |
| Working Capital | N/A | N/A | $31,109 |
Material Changes vs. Prior Period
- Profitability: The company reported net income of $637,702 for Q3 2025, compared to $1,382,148 for Q3 2024. The decrease is primarily due to higher general and administrative expenses ($1.56M vs $0.19M) and the absence of a $306,504 gain from the change in fair value of the over-allotment option liability, which occurred in the prior year.
- Trust Account Growth: The Trust Account balance increased from $204.65 million at December 31, 2024, to $211.21 million at September 30, 2025, driven by interest earnings on U.S. Treasury Bills.
- Liquidity: Cash held outside the Trust Account decreased significantly from $819,362 at year-end 2024 to $55,669 at September 30, 2025, reflecting operating cash burn.
- Liabilities: Total liabilities increased to $12.6 million, largely due to an increase in deferred legal fees to $2.1 million and a new $175,000 advance from a related party.
Outlook, Risks, and Contingencies
- Business Combination: The company has signed an agreement to merge with Parataxis Holdings Inc. The transaction involves a re-domiciliation from the Cayman Islands to Delaware. Santander US Capital Markets LLC has been engaged as an advisor with a potential fee of $10.3 million upon closing.
- Going Concern: Management has raised substantial doubt about the company's ability to continue as a going concern. The company has limited cash outside the Trust Account ($55,669) and may need to raise additional capital to fund operations and transaction costs. If a business combination is not completed by August 19, 2026, the company will liquidate.
- Risks: Risks include the failure to consummate the business combination, inability to secure additional financing, and geopolitical instability affecting global markets. The company is also subject to redemption rights by public shareholders.
- Related Party Transactions: The company received a $175,000 advance from the Sponsor to fund transaction expenses. The Sponsor also provides administrative support services for $15,000 per month.
Investor Verification Checklist
- Verify the status and conditions of the Business Combination Agreement with Parataxis Holdings Inc.
- Confirm the sufficiency of the $55,669 cash balance to fund operations until the merger or liquidation date.
- Review the terms of the $10.3 million advisory fee payable to Santander and its impact on net proceeds.
- Assess the likelihood of shareholder redemptions and their effect on the Trust Account balance.
- Monitor the company's ability to secure additional working capital loans if the merger timeline extends.