---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-004358"
form_type: "8-K/A"
ticker: "BIII"
cik: "0002087087"
company_name: "Black Spade Acquisition III Co"
filed_at: "2026-01-16T23:59:59+00:00"
generated_at: "2026-05-16T09:58:23.384632+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Black Spade Acquisition III completes $172.5M SPAC IPO; trust funded with $10 per share

## Summary
- IPO of 17,250,000 units at $10/unit (includes full over-allotment); gross proceeds $172.5M.
- Concurrent private placement of 8,150,000 warrants at $0.50 each to sponsor and underwriters for $4.075M.
- Net of $172.5M placed in trust account; transaction costs $9.9M (cash $2.3M, deferred $6.9M, other $0.7M).
- Audited balance sheet at Jan 7, 2026: cash $1.045M, trust $172.5M, total assets $173.7M; Class A shares at $10 redemption.
- SPAC has 24 months (or 27 with letter of intent) to complete a business combination; no operations yet.

## SEC filing metadata
- accession: 0001104659-26-004358
- form_type: 8-K/A
- ticker: BIII
- cik: 0002087087
- company_name: Black Spade Acquisition III Co
- filed_at: 2026-01-16T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2087087/000110465926004358/0001104659-26-004358-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2087087/000110465926004358/tm263299d1_8ka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-004358
- JSON: https://secwatch.observer/filing/0001104659-26-004358.json
- Plain text: https://secwatch.observer/filing/0001104659-26-004358.txt

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