---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-083534"
form_type: "8-K"
ticker: "ATII"
cik: "0002028516"
company_name: "Archimedes Tech SPAC Partners II Co."
filed_at: "2026-07-14T20:41:56+00:00"
generated_at: "2026-07-14T20:43:07.608432+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Forge Nano secures additional $23M PIPE at $10/share; total PIPE $123M with Samsung SDI investment

## Summary
- Additional $23M PIPE at $10.00/share brings total PIPE commitments to $123M for Forge Nano's SPAC merger with ATII.
- Samsung SDI commits $20M ($10M in PIPE, $10M in Series D); Horizons Ventures also participates.
- Forge Nano closes Series D at $97M, rounding out pre-IPO capital formation.
- Pro forma cash of ~$367M (assuming no redemptions) from $123M PIPE and $244M trust.
- Business combination with Archimedes II (ATII) expected to close in H2 2026.

## SEC filing metadata
- accession: 0001104659-26-083534
- form_type: 8-K
- ticker: ATII
- cik: 0002028516
- company_name: Archimedes Tech SPAC Partners II Co.
- filed_at: 2026-07-14T20:41:56+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 3.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2028516/000110465926083534/0001104659-26-083534-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2028516/000110465926083534/tm264900d12_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-083534
- JSON: https://secwatch.observer/filing/0001104659-26-083534.json
- Plain text: https://secwatch.observer/filing/0001104659-26-083534.txt

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