---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-005418"
form_type: "8-K"
ticker: "AACB"
cik: "0002034334"
company_name: "Artius II Acquisition Inc."
filed_at: "2025-02-21T23:59:59+00:00"
generated_at: "2026-05-26T07:27:38.146333+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Artius II Acquisition Inc. closes $220M IPO, trust funded, auditor flags going concern

## Summary
- IPO of 22M units at $10/unit, gross $220M; overallotment partially exercised for 2M units.
- Private placement of 175K units to sponsor at $10/unit, gross $1.75M; $220M placed in trust.
- Sponsor surrendered 250K Class B shares for no consideration due to over-allotment exercise.
- Audit report includes going concern uncertainty due to insufficient working capital for one year.
- Trust funds held in cash at JPMorgan Chase; trustee is Continental Stock Transfer & Trust.

## SEC filing metadata
- accession: 0001140361-25-005418
- form_type: 8-K
- ticker: AACB
- cik: 0002034334
- company_name: Artius II Acquisition Inc.
- filed_at: 2025-02-21T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2034334/000114036125005418/0001140361-25-005418-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2034334/000114036125005418/ef20043975_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-005418
- JSON: https://secwatch.observer/filing/0001140361-25-005418.json
- Plain text: https://secwatch.observer/filing/0001140361-25-005418.txt

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