Archimedes Tech SPAC Partners II Co.

Symbol: ATII, ATIIU, ATIIW on Nasdaq
Entity: Company
Industry: Blank Checks (Office Of Real Estate & Construction)
Business address: 2093 Philadelphia Pike, #1968, 19703 Claymont, DE
Phone: (725) 312-2430
Fiscal year end: December 31
Category: Non-accelerated filer
Smaller reporting company
Emerging growth company
Insider ownership signature: /s/ Long Long, as managing member
All SEC filings: View on sec.gov

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Archimedes Tech SPAC Partners II Co. has filed 41 SEC EDGAR filings since 7/3/2024

Latest Filings

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
10-Q	Open Document \| Data	Open Filing	FORM 10-Q	Nov 7, 2025	Sep 30, 2025	001-42514
SCHEDULE 13G/A	Open Document	Open Filing		Nov 7, 2025		005-94889
SCHEDULE 13G/A	Open Document	Open Filing		Aug 14, 2025		005-94889
SCHEDULE 13G	Open Document	Open Filing		Aug 12, 2025		005-94889
10-Q	Open Document \| Data	Open Filing	FORM 10-Q	Aug 8, 2025	Jun 30, 2025	001-42514
10-Q	Open Document \| Data	Open Filing	FORM 10-Q	May 14, 2025	Mar 31, 2025	001-42514
10-K	Open Document \| Data	Open Filing	FORM 10-K	Mar 31, 2025	Dec 31, 2024	001-42514
8-K	Open Document \| Data	Open Filing	FORM 8-K	Mar 31, 2025	Mar 31, 2025	001-42514
8-K	Open Document \| Data	Open Filing	FORM 8-K	Feb 19, 2025	Feb 12, 2025	001-42514
SCHEDULE 13G	Open Document	Open Filing		Feb 19, 2025		005-94889
SCHEDULE 13G	Open Document	Open Filing		Feb 19, 2025		005-94889
8-K	Open Document \| Data	Open Filing	FORM 8-K	Feb 14, 2025	Feb 10, 2025	001-42514
4	Open Document	Open Filing	FORM 4	Feb 12, 2025	Feb 12, 2025
4	Open Document	Open Filing	FORM 4	Feb 12, 2025	Feb 12, 2025
424B4	Open Document	Open Filing	FORM 424B4	Feb 11, 2025		333-282885
3	Open Document	Open Filing	PRIMARY DOCUMENT	Feb 11, 2025	Feb 10, 2025
CERT	Open Document	Open Filing		Feb 11, 2025		001-42514
EFFECT	Open Document	Open Filing		Feb 10, 2025		333-282885
3	Open Document	Open Filing	FORM 3	Feb 10, 2025	Feb 10, 2025
3	Open Document	Open Filing	FORM 3	Feb 10, 2025	Feb 10, 2025
3	Open Document	Open Filing	FORM 3	Feb 10, 2025	Feb 10, 2025
3	Open Document	Open Filing	FORM 3	Feb 10, 2025	Feb 10, 2025	001-42514
3	Open Document	Open Filing	FORM 3	Feb 10, 2025	Feb 10, 2025
3	Open Document	Open Filing	FORM 3	Feb 10, 2025	Feb 10, 2025
3	Open Document	Open Filing	FORM 3	Feb 10, 2025	Feb 10, 2025
8-A12B	Open Document	Open Filing	FORM 8-A12B	Feb 10, 2025		001-42514
CORRESP	Open Document	Open Filing		Feb 6, 2025
CORRESP	Open Document	Open Filing		Feb 6, 2025
S-1/A	Open Document	Open Filing	FORM S-1/A	Feb 5, 2025		333-282885
S-1/A	Open Document	Open Filing	FORM S-1/A	Feb 3, 2025		333-282885
S-1/A	Open Document	Open Filing	FORM S-1/A	Jan 21, 2025		333-282885
CORRESP	Open Document	Open Filing		Nov 27, 2024
S-1/A	Open Document	Open Filing	FORM S-1/A	Nov 27, 2024		333-282885
UPLOAD	Open Document	Open Filing		Nov 8, 2024		377-07324
S-1	Open Document	Open Filing	FORM S-1	Oct 30, 2024		333-282885
DRSLTR	Open Document	Open Filing		Oct 29, 2024
UPLOAD	Open Document	Open Filing		Oct 22, 2024		377-07324
DRSLTR	Open Document	Open Filing		Sep 11, 2024
DRS/A	Open Document	Open Filing		Sep 11, 2024		377-07324
UPLOAD	Open Document	Open Filing		Aug 15, 2024		377-07324
DRS	Open Document	Open Filing		Jul 3, 2024		377-07324