# ATII Holdings Inc. (NANO) — merger/definitive [pending]
Source: SEC API (secapi.ai) · situation sit_1ed26a86fe812d5ebf7f · retrieved 2026-08-11T16:11:13.844Z

## Overview
Forge Nano, Inc. develops atomic layer deposition (ALD) equipment for semiconductor manufacturing and lithium-ion batteries for aerospace, defense, and commercial applications, leveraging proprietary technology to enable high-precision, high-speed manufacturing at scale.

Forge Nano, Inc., a developer of atomic layer deposition (ALD) equipment and lithium-ion batteries, is combining with Archimedes Tech SPAC Partners II Co. (ATII) in a proposed business combination. The transaction is being documented through a Form S-4 registration statement filed with the SEC. Forge Nano's technology enables high-precision manufacturing at rapid speeds for semiconductor and battery applications, with strategic partnerships including Samsung SDI and support from the U.S. Department of Energy ($100 million in funding for its battery facility). The combined company will focus on scaling semiconductor tool manufacturing capabilities and completing a 300-millimeter platform, with proceeds directed toward infrastructure build-out and operations.

## Terms
- Counterparty: Archimedes Tech SPAC Partners II Co. · Deal value: $230.0M

## Key dates
- Announced 2026-07-27

## Timeline
- 2026-07-27 · 425 (0001104659-26-087145): 425 - ATII Holdings Inc. — *Archimedes Tech SPAC Partners II Co. is a publicly traded special purpose acquisition company formed to effect a merger with one or more businesses in the technology industry.* Archimedes Tech SPAC Partners II Co. (Nasdaq: ATII), a publicly traded special purpose acquisition company, announced on July 27, 2026 the filing of an amendment to its Form S-4 registration statement with the SEC on July 24, 2026 in connection with its proposed business combination with Forge Nano, Inc., a leading U.S.-based semiconductor equipment and advanced materials company specializing in Atomic Layer Deposition (ALD) technology. ATII completed a $230 million IPO in February 2025 and is led by Chairman Eric R. Ball and CEO Long Long. The Registration Statement includes a preliminary proxy statement/prospectus and has not yet been declared effective.
  https://www.sec.gov/Archives/edgar/data/2101833/0001104659-26-087145.txt
- 2026-07-29 · 425 (0001104659-26-088149): 425 - ATII Holdings Inc. — *Forge Nano, Inc. develops atomic layer deposition (ALD) equipment for semiconductor manufacturing and lithium-ion batteries for aerospace, defense, and commercial applications, leveraging proprietary technology to enable high-precision, high-speed manufacturing at scale.* Forge Nano, Inc., a developer of atomic layer deposition (ALD) equipment and lithium-ion batteries, is combining with Archimedes Tech SPAC Partners II Co. (ATII) in a proposed business combination. The transaction is being documented through a Form S-4 registration statement filed with the SEC. Forge Nano's technology enables high-precision manufacturing at rapid speeds for semiconductor and battery applications, with strategic partnerships including Samsung SDI and support from the U.S. Department of Energy ($100 million in funding for its battery facility). The combined company will focus on scaling semiconductor tool manufacturing capabilities and completing a 300-millimeter platform, with proceeds directed toward infrastructure build-out and operations.
  https://www.sec.gov/Archives/edgar/data/2101833/0001104659-26-088149.txt

## Citations
- 0001104659-26-087145 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000110465926087145
- 0001104659-26-088149 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000110465926088149