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Archimedes Tech SPAC Partners II Co. Announces Filing of Third Amendment to Registration Statement on Form S-4 with the SEC

$ATIIPress releaseSep 2, 2026, 5:01 PM ETRead the release

Archimedes Tech SPAC Partners II Co. (Nasdaq: ATII) filed an amendment to its Form S-4 registration statement with the SEC on September 2, 2026, advancing its previously announced business combination with Forge Nano, Inc. The registration statement includes a preliminary proxy statement/prospectus and has not yet been declared effective. Forge Nano is a U.S.

Key figures

Filing date
2026-09-02
S4 file number
333-295563
Amendment number
Third
Spac ipo proceeds
$230 million

AI analysis

Red flags3 · Pro

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AI-generated analysis of a public disclosure. Not investment advice; verify against the original document.

    ATII: Archimedes Tech SPAC Partners II Co. Announces Filing of Third Amendment to Registration Statement on Form S-4 with the SEC — AI Analysis | Signal8