---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-010199"
form_type: "8-K"
ticker: "ATII"
cik: "0002028516"
company_name: "Archimedes Tech SPAC Partners II Co."
filed_at: "2025-03-31T23:59:59+00:00"
generated_at: "2026-05-24T02:35:36.250510+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Archimedes Tech SPAC announces separate trading of shares and warrants starting April 3

## Summary
- Units (ATIIU) may be separated into ordinary shares (ATII) and warrants (ATIIW) effective April 3, 2025.
- No fractional warrants will be issued; only whole warrants will trade upon separation.
- Holders must instruct their brokers to contact Odyssey Transfer and Trust Company to separate units.
- Units not separated will continue trading under ATIIU on Nasdaq.

## SEC filing metadata
- accession: 0001437749-25-010199
- form_type: 8-K
- ticker: ATII
- cik: 0002028516
- company_name: Archimedes Tech SPAC Partners II Co.
- filed_at: 2025-03-31T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2028516/000143774925010199/0001437749-25-010199-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2028516/000143774925010199/atii20250331_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-010199
- JSON: https://secwatch.observer/filing/0001437749-25-010199.json
- Plain text: https://secwatch.observer/filing/0001437749-25-010199.txt

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