---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-113273"
form_type: "8-K"
ticker: "SPKL"
cik: "0001884046"
company_name: "Spark I Acquisition Corp"
filed_at: "2026-10-02T20:05:40+00:00"
generated_at: "2026-10-12T14:36:04.361977+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "medium"
source: SEC EDGAR
---

# Spark I posts Q4 2026 investor deck on pending ZincFive SPAC merger; proxy filed Sept 30 not yet effective

## Summary
- Investor deck (Exhibit 99.1, Q4 2026) covers the previously announced business combination between Spark I Acquisition Corp (SPKL) and ZincFive, Inc.; tagged "The Power of Good Chemistry".
- Registration Statement (File No. 333-299215) was filed with the SEC Sept 30, 2026, including a preliminary proxy statement/prospectus; it has not yet been declared effective.
- This 8-K discloses no deal value, exchange ratio, premium to last close, or expected closing date; a Spark I extraordinary general meeting vote is still required on a record date not yet set.
- Risk factors cite ZincFive's need to expand manufacturing capacity and forecast related costs, reliance on contract manufacturers, and demand tied to data-center/AI-machine-learning adoption.
- Signed by Spark I CEO James Rhee on October 2, 2026; no financial statements or updated transaction terms accompany the filing.

## SEC filing metadata
- accession: 0001104659-26-113273
- form_type: 8-K
- ticker: SPKL
- cik: 0001884046
- company_name: Spark I Acquisition Corp
- filed_at: 2026-10-02T20:05:40+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: medium
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1884046/000110465926113273/0001104659-26-113273-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1884046/000110465926113273/tm2617742d17_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-113273
- JSON: https://secwatch.observer/filing/0001104659-26-113273.json
- Plain text: https://secwatch.observer/filing/0001104659-26-113273.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.