Archimedes Tech SPAC Partners II Co. (ATIIU) is a NASDAQ-listed special purpose acquisition company ("SPAC") that closed its $230 million IPO on February 12, 2025.


On April 21, 2026, we announced that we have entered into a definitive business combination agreement with Forge Nano, Inc., a leading U.S.-based semiconductor equipment and advanced materials company pioneering Atomic Layer Deposition technology for artificial intelligence era chip manufacturing and defense battery applications.

On May 5, 2026, we filed the S-4 Registration Statement regarding the business combination. On June 22, we filed the S-4A.