Business Context and Reporting Period
Company: Silverbox Corp IV (SPAC)
Date: August 6, 2025
Event: Entry into a Material Definitive Agreement (Business Combination) with Parataxis Holdings Inc. (Pubco) and Parataxis Holdings LLC (the Company).
Structure: The transaction involves a merger where the SPAC will re-domicile from the Cayman Islands to Delaware. The Company will become a wholly-owned subsidiary of the new public entity (Pubco). The SPAC is an emerging growth company.
Key Financial Metrics and Transaction Terms
Valuation and Consideration:
- Exchange Ratio: Based on a "Per Unit Price" calculated as ($100,000,000 + Gross Cash Proceeds of Initial/Additional Financing) divided by total outstanding Company Units.
- Preferred Equity Investment: $31,000,000 raised via the sale of 3,100,000 preferred equity units at $10.00 per unit.
- Bitcoin Allocation: Net proceeds from the Preferred Equity Investment (less a $200,000 holdback) will be used to purchase Bitcoin, held in custody by Anchorage Digital Bank, N.A.
- Minimum Cash Condition: Closing requires net cash delivered to Pubco to equal or exceed $25,000,000.
Financing Facilities:
- Standby Equity Purchase Agreement (SEPA): Yorkville has committed to purchase up to $400.0 million of Pubco Class A Stock over 36 months.
- Pricing: 97% of the lowest daily VWAP during the two trading days following the advance notice.
- Commitment Fee: 1.0% of the Commitment Amount ($4.0 million total), split between an initial fee and a deferred fee.
Earnout Provisions:
- Company Holders: Eligible for up to 7,500,000 Earnout Shares.
- 2/3 released if VWAP $\ge$ $12.50 for 20 of 30 consecutive trading days.
- 1/3 released if VWAP $\ge$ $15.00 for 20 of 30 consecutive trading days.
- Sponsor: Up to 150,000 Sponsor Earnout Shares subject to identical price targets.
Material Changes and Governance
Capital Structure Changes:
- SPAC Shareholders: Receive one Pubco Class A share for each SPAC Class A share. Warrants convert to Pubco warrants exercisable at $11.50.
- Company Holders: Receive Pubco Class A shares based on the Exchange Ratio. Preferred units receive a 1.30x multiplier plus potential Bitcoin price adjustment shares.
- Key Company Holder (Edward Chin): Receives Pubco Class C Stock.
- Voting Control: Class C Stock holders collectively hold 80% of voting power until the "Sunset Date" (when ownership drops below 25% of post-closing aggregate ownership).
- Conversion: Class C shares automatically convert to Class A upon the Sunset Date or specific disqualifying events.
Board Composition:
- Five directors total: Three designated by the Company, one by the SPAC, and Edward Chin (CEO/Chairman).
Lock-Up Agreements: Significant Company Holders are locked up for six months or until the stock price exceeds $12.00 for 20 of 30 trading days (after 150 days post-closing).
Outlook, Risks, and Contingencies
Conditions to Closing:
- SPAC shareholder approval and redemption rights.
- Effectiveness of the Registration Statement (Form S-4).
- Regulatory approvals and listing on NYSE or Nasdaq.
- No Material Adverse Effect (MAE) on the Company or SPAC.
- Execution of employment agreements and sponsor support.
Key Risks Disclosed:
- Bitcoin Volatility: Pubco's stock price is expected to be highly correlated with Bitcoin prices; significant price decreases could adversely affect operations.
- Regulatory Uncertainty: Risks regarding the classification of Bitcoin as a security, potential reclassification of Pubco as an investment company, and regulatory changes in South Korea.
- Cybersecurity: Risks of loss of private keys, cyberattacks, or custody failures regarding Bitcoin assets.
- Dilution: Potential dilution from warrant exercises, SEPA sales, and the conversion of SPAC Class B shares.
- Transaction Failure: Risks that the deal may not close due to shareholder redemptions, failure to meet cash conditions, or regulatory hurdles.
Unusual Items:
- Bitcoin Purchase Mandate: Proceeds from the preferred equity investment are contractually obligated to be used to purchase Bitcoin immediately post-closing.
- Right of First Refusal (ROFR): Pubco has a ROFR on the sale of 50% of voting power or substantially all assets of Parataxis Capital Management LLC (PCM) for three years.
Investor Verification Checklist
- Proxy Statement/Prospectus: Review the upcoming Form S-4 for definitive valuation, redemption rates, and full risk factors.
- Bitcoin Custody: Verify the specific terms of the custody agreement with Anchorage Digital Bank, N.A., and insurance coverage for digital assets.
- Redemption Impact: Assess the potential impact of SPAC shareholder redemptions on the $25,000,000 minimum cash condition.
- SEPA Terms: Confirm the specific limitations on the $400 million SEPA facility and the pricing mechanism (97% of VWAP).
- Class C Voting Rights: Understand the duration and conditions of the 80% voting control held by the Key Company Holder.
- Regulatory Status: Monitor developments regarding the regulatory treatment of Bitcoin in the U.S. and South Korea.