{"filing": {"accession": "0001104659-26-119178", "cik": "0002101833", "ticker": "NANO", "company_name": "Forge Nano Holdings, Inc.", "form_type": "8-K", "filing_type": "8-K", "filing_date": "2026-10-27", "accepted_datetime": null, "acceptance_datetime": null, "accepted_at": null, "primary_doc_url": "https://www.sec.gov/Archives/edgar/data/2101833/000110465926119178/0001104659-26-119178-index.htm", "filing_url": "https://www.sec.gov/Archives/edgar/data/2101833/000110465926119178/0001104659-26-119178-index.htm", "period_of_report": "2026-10-21"}, "html_url": "/api/filings/000110465926119178/stream", "exhibits": [{"exhibit_number": "3.1", "exhibit_type": "3", "description": "Amended and Restated Certificate of Incorporation of Forge Nano Holdings, Inc.", "filename": "tm2628316d1_ex3-1.htm", "edgar_url": "https://www.sec.gov/Archives/edgar/data/2101833/000110465926119178/tm2628316d1_ex3-1.htm", "category": "incorporation", "incorporated_by_reference": false}, {"exhibit_number": "3.2", "exhibit_type": "3", "description": "Amended and Restated Bylaws of Forge Nano Holdings, Inc.", "filename": "tm2628316d1_ex3-2.htm", "edgar_url": "https://www.sec.gov/Archives/edgar/data/2101833/000110465926119178/tm2628316d1_ex3-2.htm", "category": "incorporation", "incorporated_by_reference": false}, {"exhibit_number": "4.1", "exhibit_type": "4", "description": "Warrant Agreement, dated February 10, 2025, by and between Archimedes Tech SPAC Partners II Co. 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(incorporated by reference to Annex A to the Company\u2019s Registration Statement on Form S-4 (File No. 333-295563), filed with the SEC on May 5, 2026).", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1719324/000110465926055717/none-20260505xs4.htm", "category": "plans", "incorporated_by_reference": true}, {"exhibit_number": "4.3", "exhibit_type": "4", "description": "Form of PIPE Warrant Certificate (incorporated by reference to Exhibit 4.1 filed on the Company\u2019s Current Report on Form 8-K, filed on October 13, 2026).", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1719324/000110465926115500/tm2627487d1_ex4-1.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "4.4", "exhibit_type": "4", "description": "Form of Pre-Funded Warrant Certificate (incorporated by reference to Exhibit 4.2 filed on the Company\u2019s Current Report on Form 8-K, filed on October 13, 2026).", "filename": "", "edgar_url": 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