---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-26-011804"
form_type: "8-K"
ticker: "AACB"
cik: "0002034334"
company_name: "Artius II Acquisition Inc."
filed_at: "2026-03-27T23:59:59+00:00"
generated_at: "2026-05-15T08:43:39.809459+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Artius II receives Nasdaq extension to Aug 31, 2026 for public holder compliance; amends sponsor note

## Summary
- Nasdaq accepted compliance plan and granted until Aug 31, 2026 to meet 300 public holder requirement.
- Company received delisting notice on Mar 6, 2026 for failing public holders requirement; plan submitted Mar 17.
- Sponsor promissory note amended to remove conversion feature; $1M principal payable in cash at business combination or liquidation.
- No assurance of regaining compliance; failure could lead to delisting and potential appeal.

## SEC filing metadata
- accession: 0001140361-26-011804
- form_type: 8-K
- ticker: AACB
- cik: 0002034334
- company_name: Artius II Acquisition Inc.
- filed_at: 2026-03-27T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 3.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2034334/000114036126011804/0001140361-26-011804-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2034334/000114036126011804/ef20069206_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-26-011804
- JSON: https://secwatch.observer/filing/0001140361-26-011804.json
- Plain text: https://secwatch.observer/filing/0001140361-26-011804.txt

## Source-grounded claims
- claim_id: 0c9944f3ac5d70c7a67f04a97812b21b003d61f0
  claim: Artius II Acquisition Inc. received a nasdaq extension granted notice regarding shareholders (rules 5452(a)(2)(A)).
  evidence_excerpt: March 23, 2026, Nasdaq provided the Company notice that Nasdaq accepted the Plan and granted the Company an extension until August 31, 2026, to regain compliance with the Public Holders Requirement. The Company is currently working toward implementing the Plan, as discussed with Nasdaq, to regain compliance. There can be no assurance that the Company will be able to regain compliance. If the Company does not regain compliance by August 31, 2026, or if the Company fails to satisfy another Nasdaq requirement for continued listing, Nasdaq could provide notice that the Company’s units and Class
  evidence_url: https://www.sec.gov/Archives/edgar/data/2034334/000114036126011804/0001140361-26-011804-index.htm

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