---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-26-032643"
form_type: "8-K"
ticker: "AACB"
cik: "0002034334"
company_name: "Artius II Acquisition Inc."
filed_at: "2026-08-13T12:00:22+00:00"
generated_at: "2026-08-13T12:05:26.911720+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.95
calibrated_materiality_score: 0.95
confidence: "high"
source: SEC EDGAR
---

# Artius II Acquisition to liquidate, redeem public shares after failing to close business combination

## Summary
- Board decided Aug 13, 2026 to liquidate and dissolve; will cease all operations except winding up.
- Public shares redeemed at cash per-share equal to trust account balance (net of taxes and up to $100k expenses) divided by outstanding shares.
- Rights included in IPO units will expire worthless; no redemption rights or liquidating distributions for rights.
- Liquidation follows failure to consummate initial business combination within required time under Amended Memorandum and Articles.

## SEC filing metadata
- accession: 0001140361-26-032643
- form_type: 8-K
- ticker: AACB
- cik: 0002034334
- company_name: Artius II Acquisition Inc.
- filed_at: 2026-08-13T12:00:22+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.95
- calibrated_materiality_score: 0.95
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2034334/000114036126032643/0001140361-26-032643-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2034334/000114036126032643/ef20080099_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-26-032643
- JSON: https://secwatch.observer/filing/0001140361-26-032643.json
- Plain text: https://secwatch.observer/filing/0001140361-26-032643.txt

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