---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-077835"
form_type: "8-K"
ticker: "ATII"
cik: "0002028516"
company_name: "Archimedes Tech SPAC Partners II Co."
filed_at: "2026-06-25T21:10:48+00:00"
generated_at: "2026-06-25T21:12:20.417749+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Forge Nano partners with Samsung SDI to build US battery Gigafactory; production expected 2028

## Summary
- Forge Nano to build 3 GWh/year NC Gigafactory with Samsung SDI support; manufacturing starts 2028.
- Samsung SDI signs conditional procurement agreement to purchase cells from facility starting 2028.
- Forge Nano becomes authorized U.S. distributor of Samsung SDI battery cells.
- Forge Nano investing $300-$330M, backed by $100M DOE grant; facility to produce both companies' cells.
- Samsung SDI to incorporate Forge Nano's Atomic Armor ALD coating into future battery products.

## SEC filing metadata
- accession: 0001104659-26-077835
- form_type: 8-K
- ticker: ATII
- cik: 0002028516
- company_name: Archimedes Tech SPAC Partners II Co.
- filed_at: 2026-06-25T21:10:48+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2028516/000110465926077835/0001104659-26-077835-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2028516/000110465926077835/tm264900d10_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-077835
- JSON: https://secwatch.observer/filing/0001104659-26-077835.json
- Plain text: https://secwatch.observer/filing/0001104659-26-077835.txt

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