Archimedes Tech SPAC Announces Business Combination Date

CLAYMONT, Del., Sept. 24, 2026 /CourierPR/ -- The special purpose acquisition company Archimedes Tech SPAC Partners II Co. (Nasdaq: ATII), known as Archimedes II, has announced that its registration statement on Form S-4, which is in connection with its previously announced proposed business combination with Forge Nano, Inc., was declared effective by the U.S. Securities and Exchange Commission (SEC) on September 22, 2026. The Registration Statement provides important information about Archimedes II, Forge Nano, the combined company, and the proposed business combination.

The combined company, expected to be publicly listed on Nasdaq under the symbol “NANO” following the closing of the business combination, is expected to operate under the name “Forge Nano Holdings, Inc.” The extraordinary general meeting of shareholders (the “Meeting”) to consider and vote upon the business combination and related matters has been set for October 16, 2026, at 10:00 a.m. Eastern Time. Shareholders of record as of September 1, 2026, are eligible to attend and vote at the Meeting, which will be accessible by visiting www.proxydocs.com/ATII.

The closing of the business combination is subject to approval by Archimedes II’s and Forge Nano’s shareholders, and the satisfaction of other customary closing conditions. The combined company, known as Pubco, is expected to operate under the name “Forge Nano Holdings, Inc.”

Archimedes II, led by Chairman Eric R. Ball and CEO Long Long, is a Cayman Islands exempted company comprised of technology investors, corporate-finance veterans, engineers, and SPAC specialists. The company was formed as a special-purpose acquisition company for the purpose of effecting a merger with one or more businesses in the technology industry. Archimedes II completed its $230 million IPO in February 2025, and its units, ordinary shares, and warrants currently trade on Nasdaq under the ticker symbols “ATIIU,” “ATII,” and “ATIIW,” respectively. The team’s prior SPAC, Archimedes Tech SPAC Partners Co., successfully closed its merger with SoundHound AI, Inc. in April 2022. Learn more at www.archimedesspac2.com.

Forge Nano, a leading U.S.-based semiconductor equipment and advanced materials company pioneering Atomic Layer Deposition (ALD) technology for AI-era chip manufacturing and defense battery applications, has filed documents with the SEC, including a registration statement on Form S-4, which includes a proxy statement of Archimedes II and a prospectus of Pubco relating to the proposed business combination. Archimedes II intends to mail the Registration Statement to its shareholders in connection with the proposed business combination.

Before making any voting decision, investors and security holders are urged to read the Registration Statement and any other documents filed or to be filed with the SEC in connection with the proposed business combination or incorporated by reference in the Registration Statement because they contain important information about the proposed business combination. Any vote in respect of resolutions to be proposed at Archimedes II’s extraordinary general meeting to approve the proposed business combination or other responses in relation to the proposed transaction should be made only on the basis of the information contained in the Registration Statement.

Participants in the solicitation of proxies from Archimedes II shareholders in favor of the proposed business combination include Archimedes II, Pubco, Forge Nano, and certain of their respective directors, executive officers, other members of management, and employees. These participants may, under SEC rules, be deemed to be participants in the solicitation of proxies from Archimedes II shareholders in favor of the proposed business combination.

Archimedes II, Pubco, Forge Nano, and certain of their respective directors, executive officers, other members of management, and employees may, under SEC rules, be deemed to be participants in the solicitation of proxies from Archimedes II shareholders in favor of the proposed business combination. Information about Archimedes II’s directors and officers is set forth in Archimedes II’s Annual Report on Form 10-K for the fiscal year ended December 31, 2025, which was filed with the SEC on March 4, 2026, and in Archimedes II’s other filings with the SEC. Additional information concerning the interests of participants in the solicitation, which may in some cases be different from those of Archimedes II shareholders generally, is included in the Registration Statement.

Archimedes II, Pubco, and Forge Nano caution investors and security holders that these documents are available free of charge at the SEC’s website at www.sec.gov or by directing a request to Archimedes Tech SPAC Partners II Co., 2093 Philadelphia Pike #1968, Claymont, Delaware 19703.

The closing of the business combination is subject to approval by Archimedes II’s and Forge Nano’s shareholders, and the satisfaction of other customary closing conditions. The combined company, known as Pubco, is expected to operate under the name “Forge Nano Holdings, Inc.” The proposed business combination is expected to result in the combined company being publicly listed on Nasdaq under the symbol “NANO” following the closing of the business combination. The combined company is expected to be publicly listed on Nasdaq under the symbol “NANO” following the closing of the business combination.

Archimedes II, Pubco, and Forge Nano caution investors and security holders that these documents are available free of charge at the SEC’s website at www.sec.gov or by directing a request to Archimedes Tech SPAC Partners II Co., 2093 Philadelphia Pike #1968, Claymont, Delaware 19703.