Athena Technology Acquisition Corp. II reports

Location: New York, NY
Fiscal year end: 31 December

Athena Technology Acquisition Corp. II has filed 198 SEC EDGAR filings since 18 Oct 2021

Filter by type:
10-K
10-Q
8-K
SC13D
SC13G

SEC filing history

Showing 1-25 of 198 matching filings.

Per page

Current page

DEF 14A File 001-41144

PROXY STATEMENT

Filing date: 22 May 2026
Reporting date: 11 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-41144

QUARTERLY REPORT

Filing date: 15 May 2026
Reporting date: 31 Mar 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

PRE 14A File 001-41144

PROXY STATEMENT

Filing date: 08 May 2026
Reporting date: 08 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-41144

CURRENT REPORT

Filing date: 04 May 2026
Reporting date: 04 May 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

S-4/A File 333-286836

REGISTRATION STATEMENT

Filing date: 30 Apr 2026
Reporting date: Not listed
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

425 File 001-41144

CURRENT REPORT

Filing date: 23 Apr 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-41144

CURRENT REPORT

Filing date: 23 Apr 2026
Reporting date: 18 Apr 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-41144

CURRENT REPORT

Filing date: 07 Apr 2026
Reporting date: 06 Apr 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

425 File 001-41144

CURRENT REPORT

Filing date: 25 Mar 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-41144

CURRENT REPORT

Filing date: 25 Mar 2026
Reporting date: 19 Mar 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

S-4/A File 333-286836

REGISTRATION STATEMENT

Filing date: 24 Mar 2026
Reporting date: Not listed
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

10-K File 001-41144

ANNUAL REPORT

Filing date: 11 Mar 2026
Reporting date: 31 Dec 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-41144

CURRENT REPORT

Filing date: 05 Mar 2026
Reporting date: 04 Mar 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-41144

CURRENT REPORT

Filing date: 05 Feb 2026
Reporting date: 05 Feb 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

425 File 001-41144

CURRENT REPORT

Filing date: 30 Jan 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-41144

CURRENT REPORT

Filing date: 30 Jan 2026
Reporting date: 30 Jan 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

S-4/A File 333-286836

REGISTRATION STATEMENT

Filing date: 26 Jan 2026
Reporting date: Not listed
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-41144

CURRENT REPORT

Filing date: 06 Jan 2026
Reporting date: 05 Jan 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

10-Q File 001-41144

QUARTERLY REPORT

Filing date: 31 Dec 2025
Reporting date: 30 Sep 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-41144

CURRENT REPORT

Filing date: 30 Dec 2025
Reporting date: 30 Dec 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

DEF 14A File 001-41144

DEFINITIVE PROXY STATEMENT

Filing date: 12 Dec 2025
Reporting date: 30 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-41144

CURRENT REPORT

Filing date: 09 Dec 2025
Reporting date: 08 Dec 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

NT 10-Q File 001-41144

NOTIFICATION OF LATE FILING

Filing date: 13 Nov 2025
Reporting date: 30 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-41144

CURRENT REPORT

Filing date: 04 Nov 2025
Reporting date: 04 Nov 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

S-4/A File 333-286836

REGISTRATION STATEMENT

Filing date: 27 Oct 2025
Reporting date: Not listed
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing