---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-003253"
form_type: "8-K"
ticker: "BIII"
cik: "0002087087"
company_name: "Black Spade Acquisition III Co"
filed_at: "2026-01-13T23:59:59+00:00"
generated_at: "2026-05-16T10:44:09.665048+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Black Spade Acquisition III closes $172.5M SPAC IPO; $172.5M placed in trust

## Summary
- Sold 17.25M units at $10/unit, including full over-allotment, for gross proceeds of $172.5M.
- Each unit consists of one Class A ordinary share and one-third of one redeemable warrant at $11.50.
- Concurrent private placement of 8.15M warrants at $0.50 each generated $4.075M gross proceeds.
- Total of $172.5M deposited into trust account for benefit of public shareholders.
- Company has 24 months (or 27 with LOI) to complete a business combination.

## SEC filing metadata
- accession: 0001104659-26-003253
- form_type: 8-K
- ticker: BIII
- cik: 0002087087
- company_name: Black Spade Acquisition III Co
- filed_at: 2026-01-13T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2087087/000110465926003253/0001104659-26-003253-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2087087/000110465926003253/tm263027d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-003253
- JSON: https://secwatch.observer/filing/0001104659-26-003253.json
- Plain text: https://secwatch.observer/filing/0001104659-26-003253.txt

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