---
schema_version: "secwatch.filing_event.v1"
accession: "0001477932-26-002951"
form_type: "8-K"
ticker: "PLUN"
cik: "0002065661"
company_name: "Plutonian Acquisition Corp. II"
filed_at: "2026-05-11T20:17:34+00:00"
generated_at: "2026-05-11T20:21:09.668625+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Plutonian Acquisition Corp II closes partial over-allotment and private placement; trust now $108M

## Summary
- Underwriters' partial exercise of over-allotment for 750,000 units at $10 each, generating $7.5M gross proceeds on May 5, 2026.
- Simultaneously closed private placement of 7,800 Private Placement Units to sponsor at $10/unit, raising $78,000.
- Total trust proceeds of $108,037,500 ($10.05 per unit) placed with Continental Stock Transfer & Trust.
- Side letter on May 4, 2026 waived remaining 750,000 over-allotment units; 187,500 Class B ordinary shares forfeited.
- Pro forma balance sheet reflects $108.1M in trust, $534k shareholders' equity, and $38k total liabilities.

## SEC filing metadata
- accession: 0001477932-26-002951
- form_type: 8-K
- ticker: PLUN
- cik: 0002065661
- company_name: Plutonian Acquisition Corp. II
- filed_at: 2026-05-11T20:17:34+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2065661/000147793226002951/0001477932-26-002951-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2065661/000147793226002951/pltn_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001477932-26-002951
- JSON: https://secwatch.observer/filing/0001477932-26-002951.json
- Plain text: https://secwatch.observer/filing/0001477932-26-002951.txt

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