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

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, in connection with its previously announced proposed business combination with Forge Nano, Inc. The registration statement, which contains a preliminary proxy statement/prospectus, was filed by ATII's wholly-owned subsidiary ATII Holdings Inc. together with Forge Nano and has not yet been declared effective.

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