---
schema_version: "secwatch.filing_event.v1"
accession: "0001477932-26-005747"
form_type: "8-K"
ticker: "PLUN"
cik: "0002065661"
company_name: "Plutonian Acquisition Corp. II"
filed_at: "2026-09-22T21:15:27+00:00"
generated_at: "2026-09-22T21:16:22.442713+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Plutonian II agrees to $500M SPAC merger with Australian rare-earths explorer NT1

## Summary
- NT1 Pty Ltd shareholders get 50,000,000 Purchaser Shares valued at $500M ($10.00/share) in exchange for all NT1 shares.
- NT1 explores rare earth elements, niobium and IOCG mineral systems in West Arunta, Western Australia, and Northern Territory.
- Post-closing board has five directors (at least three independent): Sponsor names one, NT1 names the rest; equity plan capped at 10% of diluted cap.
- Closing requires Plutonian II shareholder vote, HSR waiting period, Australian FIRB approval, and continued NYSE listing; outside date June 30, 2027.
- Breakup fee of $500,000 plus terminating party's documented transaction expenses applies for material breaches.

## SEC filing metadata
- accession: 0001477932-26-005747
- form_type: 8-K
- ticker: PLUN
- cik: 0002065661
- company_name: Plutonian Acquisition Corp. II
- filed_at: 2026-09-22T21:15:27+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2065661/000147793226005747/0001477932-26-005747-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2065661/000147793226005747/pltn_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001477932-26-005747
- JSON: https://secwatch.observer/filing/0001477932-26-005747.json
- Plain text: https://secwatch.observer/filing/0001477932-26-005747.txt

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