Athena Technology Acquisition Corp. II SEC filings ATEK
Athena Technology Acquisition Corp. II has 212 filings in SEC EDGAR's recent list, going back to Oct 18, 2021. Its latest annual report, Form 10-K, was filed on Mar 11, 2026 for the period ended Dec 31, 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 Oct 15, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Other events
|
Oct 15, 2026 | Oct 14, 2026 |
| 8-K |
Current report
Material agreement
|
Sep 29, 2026 | Sep 24, 2026 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Sep 11, 2026 | Sep 10, 2026 |
| 8-K |
Current report
Other events
|
Aug 13, 2026 | Aug 13, 2026 |
| 8-K |
Current report
Other events
|
Jul 13, 2026 | Jul 10, 2026 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results, Other events
|
Jun 12, 2026 | Jun 11, 2026 |
| 8-K |
Current report
Other events
|
May 4, 2026 | May 4, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Apr 23, 2026 | Apr 18, 2026 |
| 8-K |
Current report
Other events
|
Apr 7, 2026 | Apr 6, 2026 |
| 8-K |
Current report
Material agreement
|
Mar 25, 2026 | Mar 19, 2026 |
| 8-K |
Current report
Other events
|
Mar 5, 2026 | Mar 4, 2026 |
| 8-K |
Current report
Other events
|
Feb 5, 2026 | Feb 5, 2026 |
| 8-K |
Current report
Other events
|
Jan 30, 2026 | Jan 30, 2026 |
| 8-K |
Current report
Other events
|
Jan 6, 2026 | Jan 5, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Dec 30, 2025 | Dec 30, 2025 |
| 8-K |
Current report
Other events
|
Dec 9, 2025 | Dec 8, 2025 |
| 8-K |
Current report
Other events
|
Nov 4, 2025 | Nov 4, 2025 |
| 8-K |
Current report
Other events
|
Oct 8, 2025 | Oct 7, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results, Other events
|
Sep 12, 2025 | Sep 10, 2025 |
| 8-K |
Current report
Other events
|
Aug 11, 2025 | Aug 11, 2025 |
| 8-K |
Current report
Other events
|
Jul 9, 2025 | Jul 8, 2025 |
| 8-K |
Current report
Other events
|
Jun 6, 2025 | Jun 6, 2025 |
| 8-K |
Current report
Other events
|
May 19, 2025 | May 16, 2025 |
| 8-K |
Current report
Other events
|
May 7, 2025 | May 7, 2025 |
| 8-K |
Current report
Other events
|
Apr 8, 2025 | Apr 7, 2025 |
| 8-K |
Current report
Other events
|
Mar 7, 2025 | Mar 6, 2025 |
| 8-K |
Current report
Other events
|
Feb 12, 2025 | Feb 10, 2025 |
| 8-K |
Current report
Other events
|
Jan 10, 2025 | Jan 10, 2025 |
| 8-K |
Current report
Listing notice, Other events
|
Dec 12, 2024 | Dec 6, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results, Other events
|
Dec 11, 2024 | Dec 10, 2024 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Dec 5, 2024 | Dec 4, 2024 |
| 8-K |
Current report
Listing notice, Regulation FD disclosure
|
Nov 25, 2024 | Nov 20, 2024 |
| 8-K |
Current report
Other events
|
Nov 12, 2024 | Nov 11, 2024 |
| 8-K |
Current report
Other events
|
Oct 15, 2024 | Oct 15, 2024 |
| 8-K |
Current report
Restatement, Other events
|
Sep 13, 2024 | Sep 10, 2024 |
| 8-K |
Current report
Other events
|
Aug 8, 2024 | Aug 8, 2024 |
| 8-K |
Current report
Officer or director change
|
Jul 24, 2024 | Jul 18, 2024 |
| 8-K |
Current report
Other events
|
Jul 11, 2024 | Jul 10, 2024 |
| 8-K |
Current report
Other events
|
Jun 17, 2024 | Jun 14, 2024 |
| 8-K |
Current report
Other events
|
May 14, 2024 | May 14, 2024 |
| 8-K |
Current report
Listing notice, Regulation FD disclosure
|
Apr 24, 2024 | Apr 17, 2024 |
| 8-K |
Current report
Other events
|
Apr 22, 2024 | Apr 16, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results, Other events
|
Mar 18, 2024 | Mar 12, 2024 |
| 8-K |
Current report
Other events
|
Feb 12, 2024 | Feb 9, 2024 |
| 8-K |
Current report
Other events
|
Jan 9, 2024 | Jan 8, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Dec 19, 2023 | Dec 19, 2023 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets
|
Dec 14, 2023 | Dec 13, 2023 |
| 8-K |
Current report
Other events
|
Dec 11, 2023 | Dec 8, 2023 |
| 8-K |
Current report
Other events
|
Nov 8, 2023 | Nov 7, 2023 |
| 8-K |
Current report
Other events
|
Oct 6, 2023 | Oct 6, 2023 |
| 8-K |
Current report
Material agreement
|
Oct 5, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Other events
|
Sep 8, 2023 | Sep 7, 2023 |
| 8-K |
Current report
Material agreement
|
Aug 25, 2023 | Aug 22, 2023 |
| 8-K |
Current report
Other events
|
Aug 9, 2023 | Aug 8, 2023 |
| 8-K |
Current report
Material agreement
|
Jul 21, 2023 | Jul 20, 2023 |
| 8-K |
Current report
Listing notice, Regulation FD disclosure
|
Jul 17, 2023 | Jul 17, 2023 |
| 8-K |
Current report
Other events
|
Jul 11, 2023 | Jul 7, 2023 |
| 8-K |
Current report
Unregistered share sale, Regulation FD disclosure
|
Jun 27, 2023 | Jun 21, 2023 |
| 8-K |
Current report
Material agreement, Bylaw or fiscal year change
|
Jun 20, 2023 | Jun 16, 2023 |
| 8-K |
Current report
Material agreement, Bylaw or fiscal year change, Shareholder vote results
|
Jun 14, 2023 | Jun 13, 2023 |
| 8-K |
Current report
Other events
|
Jun 2, 2023 | Jun 2, 2023 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Apr 20, 2023 | Apr 19, 2023 |
| 8-K |
Current report
Other events
|
Dec 21, 2022 | Dec 20, 2022 |
| 8-K |
Current report
Other events
|
Dec 15, 2022 | Dec 15, 2022 |
| 8-K |
Current report
Officer or director change
|
Dec 9, 2022 | Dec 8, 2022 |
| 8-K |
Current report
Other events
|
Jan 27, 2022 | Jan 26, 2022 |
| 8-K |
Current report
Unregistered share sale, Other events
|
Jan 4, 2022 | Dec 28, 2021 |
| 8-K |
Current report
Unregistered share sale, Other events
|
Dec 20, 2021 | Dec 14, 2021 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Bylaw or fiscal year change, Other events
|
Dec 15, 2021 | Dec 9, 2021 |
Showing 69 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Hazardous Waste Management (SIC 4955)
- Listed as
- ATEK (OTC), ATEKU (OTC), ATEKW (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- New York, NY
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1882198
Other Hazardous Waste Management companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.