Archimedes Tech SPAC Partners II Co. SEC EDGAR Filings (CIK 0002028516)

SEC EDGAR filings, ownership reports, and insider transactions for Archimedes Tech SPAC Partners II Co..

Symbol
ATII, ATIIU, ATIIW on Nasdaq
Industry
Blank Checks (Office Of Real Estate & Construction)
Business address
2093 Philadelphia Pike, #1968, Claymont, DE, 19703
Fiscal year end
31 December
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Archimedes Tech SPAC Partners II Co. has filed 43 SEC EDGAR filings since 03 Jul 2024

Latest Filings

Recent SEC filings for Archimedes Tech SPAC Partners II Co. including 10-K, SCHEDULE 13G/A, 10-Q and more.

Form type Document Filing Description Filing date Reporting date File number(s)
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 04 Mar 2026 31 Dec 2025 001-42514
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 11 Feb 2026 005-94889
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 07 Nov 2025 30 Sep 2025 001-42514
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 07 Nov 2025 005-94889
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Aug 2025 005-94889
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 12 Aug 2025 005-94889
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 08 Aug 2025 30 Jun 2025 001-42514
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 14 May 2025 31 Mar 2025 001-42514
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 31 Mar 2025 31 Dec 2024 001-42514
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 31 Mar 2025 31 Mar 2025 001-42514
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 19 Feb 2025 12 Feb 2025 001-42514
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 19 Feb 2025 005-94889
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 19 Feb 2025 005-94889
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 14 Feb 2025 10 Feb 2025 001-42514
4 Open 4 document View SEC filing for 4 FORM 4 12 Feb 2025 12 Feb 2025
4 Open 4 document View SEC filing for 4 FORM 4 12 Feb 2025 12 Feb 2025
424B4 Open 424B4 document View SEC filing for 424B4 FORM 424B4 11 Feb 2025 333-282885
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 11 Feb 2025 10 Feb 2025
CERT Open CERT document View SEC filing for CERT 11 Feb 2025 001-42514
EFFECT Open EFFECT document View SEC filing for EFFECT 10 Feb 2025 333-282885
3 Open 3 document View SEC filing for 3 FORM 3 10 Feb 2025 10 Feb 2025
3 Open 3 document View SEC filing for 3 FORM 3 10 Feb 2025 10 Feb 2025
3 Open 3 document View SEC filing for 3 FORM 3 10 Feb 2025 10 Feb 2025
3 Open 3 document View SEC filing for 3 FORM 3 10 Feb 2025 10 Feb 2025 001-42514
3 Open 3 document View SEC filing for 3 FORM 3 10 Feb 2025 10 Feb 2025
3 Open 3 document View SEC filing for 3 FORM 3 10 Feb 2025 10 Feb 2025
3 Open 3 document View SEC filing for 3 FORM 3 10 Feb 2025 10 Feb 2025
8-A12B Open 8-A12B document View SEC filing for 8-A12B FORM 8-A12B 10 Feb 2025 001-42514
CORRESP Open CORRESP document View SEC filing for CORRESP 06 Feb 2025
CORRESP Open CORRESP document View SEC filing for CORRESP 06 Feb 2025
S-1/A Open S-1/A document View SEC filing for S-1/A FORM S-1/A 05 Feb 2025 333-282885
S-1/A Open S-1/A document View SEC filing for S-1/A FORM S-1/A 03 Feb 2025 333-282885
S-1/A Open S-1/A document View SEC filing for S-1/A FORM S-1/A 21 Jan 2025 333-282885
CORRESP Open CORRESP document View SEC filing for CORRESP 27 Nov 2024
S-1/A Open S-1/A document View SEC filing for S-1/A FORM S-1/A 27 Nov 2024 333-282885
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 08 Nov 2024 377-07324
S-1 Open S-1 document View SEC filing for S-1 FORM S-1 30 Oct 2024 333-282885
DRSLTR Open DRSLTR document View SEC filing for DRSLTR 29 Oct 2024
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 22 Oct 2024 377-07324
DRSLTR Open DRSLTR document View SEC filing for DRSLTR 11 Sep 2024
DRS/A Open DRS/A document View SEC filing for DRS/A 11 Sep 2024 377-07324
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 15 Aug 2024 377-07324
DRS Open DRS document View SEC filing for DRS 03 Jul 2024 377-07324

About this filer

Archimedes Tech SPAC Partners II Co. files with the SEC under CIK 0002028516. This page aggregates EDGAR filings and related ownership activity.

Industry: Blank Checks.

See insider transactions for this issuer.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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