---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-056722"
form_type: "8-K"
ticker: "BSAA"
cik: "0002051587"
company_name: "BEST SPAC I Acquisition Corp."
filed_at: "2025-06-23T23:59:59+00:00"
generated_at: "2026-05-19T00:18:13.798449+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# BEST SPAC I Acquisition Corp. closes $55M IPO; trust funded, auditor flags going concern

## Summary
- Closed IPO of 5.5M units at $10/unit, gross proceeds $55M; private placement of 277K units to sponsor.
- $55M deposited in trust account for redemption or business combination.
- Auditor's report includes substantial doubt about going concern due to 12-month business combination deadline.
- Transaction costs $1.52M; cash outside trust $1.92M for working capital.
- Underwriters have 45-day option for up to 825K additional units.

## SEC filing metadata
- accession: 0001213900-25-056722
- form_type: 8-K
- ticker: BSAA
- cik: 0002051587
- company_name: BEST SPAC I Acquisition Corp.
- filed_at: 2025-06-23T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2051587/000121390025056722/0001213900-25-056722-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2051587/000121390025056722/ea0245981-8k_bestspac1.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-056722
- JSON: https://secwatch.observer/filing/0001213900-25-056722.json
- Plain text: https://secwatch.observer/filing/0001213900-25-056722.txt

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