Spark I Files S-4 for $600M ZincFive Merger with $106.5M Series A Preferred Investment
SPKL is trading near its 52-week low of $10.9 (4.8% above the low).
Summary
Spark I Acquisition Corp filed its S-4 registration statement for the $600 million merger with ZincFive, a nickel-zinc battery maker for data centers. The filing reveals a $106.5 million Series A Preferred Investment, extensive Sponsor forfeitures, and Legacy ZincFive's substantial losses and going concern warning. The S-4 was publicly filed on September 29, 2026, and the business combination is expected to close in Q4 2026.
Updated with a BusinessWire report · What changed
Updates
· BusinessWire — The combined company is expected to operate under the name ZincFive, Inc.
- Company Name — The combined company is expected to operate under the name ZincFive, Inc.
- Voting — A record date will be established for voting on the Business Combination.
- SPAC Counterparty — The SPAC counterparty is Spark I Acquisition Corporation (SPKL).
- SEC Effectiveness — Business combination is subject to the Registration Statement being declared effective by the SEC.
All 4 details
- Combined company expected to operate under the name ZincFive, Inc.
- A record date will be established for voting on the Business Combination.
- The SPAC counterparty is Spark I Acquisition Corporation (SPKL).
- Business combination is subject to the Registration Statement being declared effective by the SEC.
Key Events · M&A and Partnerships · SPKL
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New · · BusinessWire
Combined Company Name and Voting Record Date
The combined company is expected to operate under the name ZincFive, Inc. A record date will be established for voting on the Business Combination.
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New · · BusinessWire
SEC Effectiveness Condition
The business combination is subject to the Registration Statement being declared effective by the SEC.
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Updated · · BusinessWire
Closing Conditions and Timeline
Closing requires $100M minimum Available Closing SPAC Cash, Nasdaq listing approval, and shareholder votes. Expected in second half of 2026, with March 29, 2027 as the outside date. Nasdaq Minimum Total Holders Rule compliance due November 10, 2026. The S-4 was publicly filed on September 29, 2026, and the business combination is expected to close in Q4 2026.
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$600M ZincFive Merger Terms Disclosed
The S-4 reveals the full merger terms: $600 million Equity Value paid entirely in ZincFive Common Stock at $10.00 per share, with Legacy ZincFive Securityholders receiving 54,336,006 shares (74.64% ownership in No Redemption Scenario).
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$106.5M Series A Preferred Investment
10,441,174 shares of 12.0% Series A Cumulative Convertible Preferred Stock issued at $10.20 per share (15% discount to $12.00 stated value), plus warrants at $12.00 exercise price. Carries 12% PIK dividend, put rights after year 5, and anti-dilution adjustments.
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Sponsor Forfeits 4.4M Shares and 4.2M Warrants
Sponsor forfeits 3,500,000 shares to Lead Purchaser Alyeska, 922,078 shares to First Tranche Bridge Investors, 2,786,867 warrants to the 2026 Plan, and 1,458,400 warrants to Bridge Investors.
Analysis · SPKL · Manufacturing
This S-4 is the first comprehensive disclosure of the complete ZincFive merger terms. The $600 million equity value, $106.5 million Series A Preferred Investment at a 15% discount to stated value, and the extensive Sponsor forfeitures represent material new information for shareholders. Legacy ZincFive's financials reveal a company with $120.2 million in 2025 net losses, a $394.7 million accumulated deficit, and a going concern warning — yet the deal is structured to close with $100 million minimum cash. The Series A Preferred Stock carries a 12% PIK dividend, put rights after year five, and anti-dilution protections that could significantly dilute existing shareholders. The filing also discloses material weaknesses in internal controls, a 2024 restatement, and a China manufacturing facility facing hazardous materials reclassification delays. The S-4 was publicly filed on September 29, 2026, and the business combination is expected to close in Q4 2026, subject to the Registration Statement being declared effective by the SEC. The combined company is expected to operate under the name ZincFive, Inc., and a record date will be established for voting on the Business Combination. This is a thesis-altering event for SPKL shareholders who must decide whether to redeem or remain invested in a deeply loss-making battery company.
How filings like this one have moved
In the 30 days to Oct 17, 2026, 44.6% of the 296 measured filings Wiseek scored 9 moved their stock by 5% or more by the next session's close. The median move was -0.43%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, SPKL was trading at $11.42 on NASDAQ in the Manufacturing sector, with a market capitalization of approximately $98.9M. The 52-week trading range was $10.90 to $13.93. This filing was assessed with negative market sentiment and an importance score of 9 out of 10.