Athena Technology Acquisition Corp. II

Symbol
ATEK, ATEKU, ATEKW on OTC
Industry
Hazardous Waste Management (Office Of Energy & Transportation)
Business address
442 5 Th Avenue, New York, NY, 10018
State of incorporation
DE
Fiscal year end
December 31
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Athena Technology Acquisition Corp. II has filed 178 SEC EDGAR filings since 10/18/2021

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
DEF 14A Open Document Open Filing DEFINITIVE PROXY STATEMENT Dec 12, 2025 Dec 30, 2025 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Dec 9, 2025 Dec 8, 2025 001-41144
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING Nov 13, 2025 Sep 30, 2025 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Nov 4, 2025 Nov 4, 2025 001-41144
S-4/A Open Document | Data Open Filing REGISTRATION STATEMENT Oct 27, 2025 333-286836
8-K Open Document | Data Open Filing CURRENT REPORT Oct 8, 2025 Oct 7, 2025 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Sep 12, 2025 Sep 10, 2025 001-41144
DEF 14A Open Document Open Filing PROXY STATEMENT Aug 28, 2025 Sep 10, 2025 001-41144
10-Q Open Document | Data Open Filing QUARTERLY REPORT Aug 19, 2025 Jun 30, 2025 001-41144
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING Aug 14, 2025 Jun 30, 2025 001-41144
PRE 14A Open Document Open Filing PROXY STATEMENT Aug 13, 2025 Aug 13, 2025 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Aug 11, 2025 Aug 11, 2025 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Jul 9, 2025 Jul 8, 2025 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Jun 6, 2025 Jun 6, 2025 001-41144
10-Q Open Document | Data Open Filing QUARTERLY REPORT May 20, 2025 Mar 31, 2025 001-41144
425 Open Document Open Filing CURRENT REPORT May 19, 2025 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT May 19, 2025 May 16, 2025 001-41144
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING May 15, 2025 Mar 31, 2025 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT May 7, 2025 May 7, 2025 001-41144
S-4 Open Document | Data Open Filing REGISTRATION STATEMENT Apr 30, 2025 333-286836
8-K Open Document | Data Open Filing CURRENT REPORT Apr 8, 2025 Apr 7, 2025 001-41144
10-K Open Document | Data Open Filing ANNUAL REPORT Mar 21, 2025 Dec 31, 2024 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Mar 7, 2025 Mar 6, 2025 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Feb 12, 2025 Feb 10, 2025 001-41144
10-Q Open Document | Data Open Filing QUARTERLY REPORT Feb 7, 2025 Sep 30, 2024 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Jan 10, 2025 Jan 10, 2025 001-41144
25-NSE Open Document Open Filing Dec 19, 2024 001-41144
425 Open Document Open Filing CURRENT REPORT Dec 12, 2024 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Dec 12, 2024 Dec 6, 2024 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Dec 11, 2024 Dec 10, 2024 001-41144
DEFA14A Open Document Open Filing DEFINITIVE ADDITIONAL MATERIALS Dec 5, 2024 001-41144
425 Open Document Open Filing CURRENT REPORT Dec 5, 2024 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Dec 5, 2024 Dec 4, 2024 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Nov 25, 2024 Nov 20, 2024 001-41144
UPLOAD Open Document Open Filing Nov 22, 2024 001-41144
DEF 14A Open Document Open Filing PROXY STATEMENT Nov 21, 2024 Dec 10, 2024 001-41144
CORRESP Open Document Open Filing Nov 20, 2024
CORRESP Open Document Open Filing Nov 18, 2024
PRER14A Open Document Open Filing PROXY STATEMENT Nov 18, 2024 001-41144
UPLOAD Open Document Open Filing Nov 15, 2024 001-41144
SC 13G/A Open Document Open Filing Nov 14, 2024 005-93167
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING Nov 14, 2024 Sep 30, 2024 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Nov 12, 2024 Nov 11, 2024 001-41144
3 Open Document Open Filing Nov 5, 2024 Oct 30, 2024
PRE 14A Open Document Open Filing PROXY STATEMENT Nov 4, 2024 Nov 4, 2024 001-41144
10-Q Open Document | Data Open Filing QUARTERLY REPORT Nov 1, 2024 Jun 30, 2024 001-41144
10-Q Open Document | Data Open Filing QUARTERLY REPORT Nov 1, 2024 Mar 31, 2024 001-41144
3 Open Document Open Filing Oct 15, 2024 Jul 24, 2024
8-K Open Document | Data Open Filing FORM 8-K Oct 15, 2024 Oct 15, 2024 001-41144
10-K Open Document | Data Open Filing ANNUAL REPORT Sep 27, 2024 Dec 31, 2023 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Sep 13, 2024 Sep 10, 2024 001-41144
NT 10-Q Open Document Open Filing NT 10-Q Aug 14, 2024 Jun 30, 2024 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Aug 8, 2024 Aug 8, 2024 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Jul 24, 2024 Jul 18, 2024 001-41144
425 Open Document Open Filing FORM 8-K Jul 11, 2024 001-41144
8-K Open Document | Data Open Filing FORM 8-K Jul 11, 2024 Jul 10, 2024 001-41144
425 Open Document Open Filing FORM 8-K Jun 17, 2024 001-41144
8-K Open Document | Data Open Filing FORM 8-K Jun 17, 2024 Jun 14, 2024 001-41144
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING May 16, 2024 Mar 31, 2024 001-41144
425 Open Document Open Filing CURRENT REPORT May 14, 2024 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT May 14, 2024 May 14, 2024 001-41144
425 Open Document Open Filing CURRENT REPORT Apr 24, 2024 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Apr 24, 2024 Apr 17, 2024 001-41144
425 Open Document Open Filing FORM 8-K Apr 22, 2024 001-41144
8-K Open Document | Data Open Filing FORM 8-K Apr 22, 2024 Apr 16, 2024 001-41144
NT 10-K Open Document Open Filing NOTIFICATION OF LATE FILING Apr 2, 2024 Dec 31, 2023 001-41144
425 Open Document Open Filing CURRENT REPORT Mar 18, 2024 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Mar 18, 2024 Mar 12, 2024 001-41144
DEF 14A Open Document Open Filing PROXY STATEMENT Feb 23, 2024 Mar 12, 2024 001-41144
PRE 14A Open Document Open Filing PROXY STATEMENT Feb 13, 2024 Feb 13, 2024 001-41144
SC 13G/A Open Document Open Filing Feb 12, 2024 005-93167
425 Open Document Open Filing FORM 8-K Feb 12, 2024 001-41144
8-K Open Document | Data Open Filing FORM 8-K Feb 12, 2024 Feb 9, 2024 001-41144
SC 13G/A Open Document Open Filing FORM SC 13G/A Feb 7, 2024 005-93167
425 Open Document Open Filing CURRENT REPORT Jan 9, 2024 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Jan 9, 2024 Jan 8, 2024 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Dec 19, 2023 Dec 19, 2023 001-41144
425 Open Document Open Filing CURRENT REPORT Dec 14, 2023 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Dec 14, 2023 Dec 13, 2023 001-41144
425 Open Document Open Filing CURRENT REPORT Dec 11, 2023 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Dec 11, 2023 Dec 8, 2023 001-41144
DEF 14A Open Document Open Filing PROXY STATEMENT Dec 7, 2023 Dec 19, 2023 001-41144
10-Q Open Document | Data Open Filing QUARTERLY REPORT Nov 20, 2023 Sep 30, 2023 001-41144
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING Nov 14, 2023 Sep 30, 2023 001-41144
425 Open Document Open Filing CURRENT REPORT Nov 8, 2023 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Nov 8, 2023 Nov 7, 2023 001-41144
425 Open Document Open Filing CURRENT REPORT Oct 6, 2023 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Oct 6, 2023 Oct 6, 2023 001-41144
425 Open Document Open Filing CURRENT REPORT Oct 5, 2023 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Oct 5, 2023 Sep 30, 2023 001-41144
425 Open Document Open Filing CURRENT REPORT Sep 8, 2023 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Sep 8, 2023 Sep 7, 2023 001-41144
425 Open Document Open Filing CURRENT REPORT Aug 25, 2023 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Aug 25, 2023 Aug 22, 2023 001-41144
10-Q Open Document | Data Open Filing QUARTERLY REPORT Aug 18, 2023 Jun 30, 2023 001-41144
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING Aug 14, 2023 Jun 30, 2023 001-41144
425 Open Document Open Filing FORM 8-K Aug 9, 2023 001-41144
8-K Open Document | Data Open Filing FORM 8-K Aug 9, 2023 Aug 8, 2023 001-41144
25 Open Document Open Filing FORM 25 Jul 27, 2023 001-41144
425 Open Document Open Filing CURRENT REPORT Jul 21, 2023 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Jul 21, 2023 Jul 20, 2023 001-41144
CERT Open Document Open Filing NYSE AMERICAN CERTIFICATION Jul 18, 2023 001-41144
8-A12B Open Document Open Filing FOR REGISTRATION OF CERTAIN CLASSES Jul 18, 2023 001-41144
425 Open Document Open Filing CURRENT REPORT Jul 17, 2023 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Jul 17, 2023 Jul 17, 2023 001-41144
425 Open Document Open Filing CURRENT REPORT Jul 11, 2023 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Jul 11, 2023 Jul 7, 2023 001-41144
425 Open Document Open Filing CURRENT REPORT Jun 27, 2023 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Jun 27, 2023 Jun 21, 2023 001-41144
4 Open Document Open Filing Jun 23, 2023 Jun 21, 2023
425 Open Document Open Filing CURRENT REPORT Jun 20, 2023 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Jun 20, 2023 Jun 16, 2023 001-41144
425 Open Document Open Filing CURRENT REPORT Jun 14, 2023 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Jun 14, 2023 Jun 13, 2023 001-41144
DEFA14A Open Document Open Filing CURRENT REPORT Jun 2, 2023 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Jun 2, 2023 Jun 2, 2023 001-41144
10-Q Open Document | Data Open Filing QUARTERLY REPORT May 22, 2023 Mar 31, 2023 001-41144
DEF 14A Open Document Open Filing PROXY STATEMENT May 16, 2023 Jun 12, 2023 001-41144
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING May 15, 2023 Mar 31, 2023 001-41144
PRE 14A Open Document Open Filing PRELIMINARY PROXY STATEMENT May 4, 2023 May 4, 2023 001-41144
425 Open Document Open Filing FORM 425 Apr 25, 2023
425 Open Document Open Filing FORM 425 Apr 24, 2023 001-41144
425 Open Document Open Filing FORM 425 Apr 21, 2023
425 Open Document Open Filing FORM 425 Apr 20, 2023
425 Open Document Open Filing FORM 425 Apr 20, 2023
425 Open Document Open Filing FORM 425 Apr 20, 2023
425 Open Document Open Filing CURRENT REPORT Apr 20, 2023 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Apr 20, 2023 Apr 19, 2023 001-41144
10-K Open Document | Data Open Filing ANNUAL REPORT Mar 30, 2023 Dec 31, 2022 001-41144
SC 13G/A Open Document Open Filing AQR CAPITAL MANAGEMENT LLC Feb 14, 2023 005-93167
SC 13G/A Open Document Open Filing FORM SC 13G/A Feb 14, 2023 005-93167
SC 13G Open Document Open Filing ATHENA TECHNOLOGY ACQUISITION CORP. II Feb 14, 2023 005-93167
SC 13G/A Open Document Open Filing Feb 13, 2023 005-93167
DEFA14A Open Document Open Filing CURRENT REPORT Dec 21, 2022 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Dec 21, 2022 Dec 20, 2022 001-41144
DEFA14A Open Document Open Filing CURRENT REPORT Dec 16, 2022 001-41144
8-K Open Document | Data Open Filing CURRENT REPORT Dec 15, 2022 Dec 15, 2022 001-41144
3 Open Document Open Filing Dec 9, 2022 Dec 8, 2022
8-K Open Document | Data Open Filing CURRENT REPORT Dec 9, 2022 Dec 8, 2022 001-41144
DEF 14A Open Document Open Filing DEFINITIVE PROXY STATEMENT Nov 23, 2022 Dec 16, 2022 001-41144
PRE 14A Open Document Open Filing PRELIMINARY PROXY STATEMENT Nov 16, 2022 Nov 16, 2022 001-41144
10-Q Open Document | Data Open Filing QUARTERLY REPORT Nov 14, 2022 Sep 30, 2022 001-41144
10-Q Open Document | Data Open Filing QUARTERLY REPORT Aug 12, 2022 Jun 30, 2022 001-41144
10-Q Open Document | Data Open Filing QUARTERLY REPORT May 12, 2022 Mar 31, 2022 001-41144
10-K Open Document | Data Open Filing ANNUAL REPORT Mar 30, 2022 Dec 31, 2021 001-41144
SC 13D/A Open Document Open Filing AMENDMENT NO. 1 SCHEDULE 13D Mar 18, 2022 005-93167
SC 13G Open Document Open Filing Mar 3, 2022 005-93167
SC 13G/A Open Document Open Filing Feb 14, 2022 005-93167
SC 13G Open Document Open Filing AQR CAPITAL MANAGEMENT LLC Feb 14, 2022 005-93167
SC 13G Open Document Open Filing SC 13G Feb 14, 2022 005-93167
8-K Open Document | Data Open Filing CURRENT REPORT FILING Jan 27, 2022 Jan 26, 2022 001-41144
10-Q Open Document | Data Open Filing QUARTERLY REPORT Jan 20, 2022 Sep 30, 2021 001-41144
8-K Open Document Open Filing CURRENT REPORT Jan 4, 2022 Dec 28, 2021 001-41144
4 Open Document Open Filing Jan 3, 2022 Dec 28, 2021
4 Open Document Open Filing Jan 3, 2022 Dec 28, 2021
3 Open Document Open Filing Jan 3, 2022 Dec 9, 2021
3 Open Document Open Filing OWNERSHIP DOCUMENT Jan 3, 2022 Dec 9, 2021
SC 13D Open Document Open Filing SCHEDULE 13D Dec 22, 2021 005-93167
8-K Open Document Open Filing CURRENT REPORT Dec 20, 2021 Dec 14, 2021 001-41144
SC 13G Open Document Open Filing FORM SC 13G Dec 20, 2021 005-93167
4 Open Document Open Filing Dec 16, 2021 Dec 9, 2021
4 Open Document Open Filing Dec 16, 2021 Dec 9, 2021
8-K Open Document Open Filing CURRENT REPORT Dec 15, 2021 Dec 9, 2021 001-41144
424B4 Open Document Open Filing PROSPECTUS Dec 13, 2021 333-261287
EFFECT Open Document Open Filing Dec 9, 2021 333-261287
3 Open Document Open Filing OWNERSHIP DOCUMENT Dec 9, 2021 Dec 9, 2021
3 Open Document Open Filing Dec 9, 2021 Dec 9, 2021
3 Open Document Open Filing Dec 9, 2021 Dec 9, 2021
3 Open Document Open Filing Dec 9, 2021 Dec 9, 2021
3 Open Document Open Filing OWNERSHIP DOCUMENT Dec 9, 2021 Dec 9, 2021
CERT Open Document Open Filing NYSE CERTIFICATION Dec 9, 2021 001-41144
8-A12B Open Document Open Filing FOR REGISTRATION OF CERTAIN CLASSES Dec 8, 2021 001-41144
CORRESP Open Document Open Filing Dec 7, 2021
CORRESP Open Document Open Filing Dec 7, 2021
S-1/A Open Document Open Filing REGISTRATION STATEMENT Dec 6, 2021 333-261287
S-1 Open Document Open Filing REGISTRATION STATEMENT Nov 23, 2021 333-261287
UPLOAD Open Document Open Filing Oct 26, 2021
DRS Open Document Open Filing Oct 18, 2021 377-05600