Archimedes Tech SPAC Partners III Co. SEC filings ARCI

Archimedes Tech SPAC Partners III Co. has 28 filings in SEC EDGAR's recent list, going back to Oct 8, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 13, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Jul 17, 2026 (officer or director change). The company's fiscal year ends on December 31.

Archimedes Tech SPAC Partners III Co. SEC filings
Form Description Filed Period
424B4 Prospectus Jan 26, 2026 —
424B4 Prospectus Jan 26, 2026 —
S-1MEF Form s-1mef Jan 22, 2026 —
S-1/A Amended registration statement Jan 20, 2026 —
S-1/A Amended registration statement Jan 15, 2026 —
S-1 Registration statement Dec 23, 2025 —

Showing 6 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Blank Checks (SIC 6770)
Listed as
ARCI (Nasdaq), ARCIU (Nasdaq), ARCIW (Nasdaq)
Fiscal year ends
December 31
Incorporated in
Cayman Islands
Headquarters
Claymont, DE
SEC filer status
Non-accelerated filer, Smaller reporting company, Emerging growth company
SEC CIK
2083910

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.