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

CLAYMONT, Del., May 7, 2026— Archimedes Tech SPAC Partners II Co. (Nasdaq: ATII), a publicly traded special purpose acquisition company (“ATII” or “Archimedes II”), today announced the filing with the U.S. Securities and Exchange Commission (the “SEC”), on May 5, 2026, of a registration statement on Form S-4 (File No.: 333-295563) (as may be amended from time to time, the “Registration Statement”) in connection with the previously announced proposed business combination with Forge Nano, Inc. (“Forge Nano”). The Registration Statement includes a preliminary proxy statement/prospectus and has not yet been declared effective. The Registration Statement was filed by ATII Holdings Inc. (CIK 0002101833), ATII’s wholly-owned subsidiary (“Pubco”), and Forge Nano (CIK 0001719324) and is available free of charge at the SEC’s web site at www.sec.gov.

Full press release here.