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 |
|---|---|---|---|
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| 3 | Initial insider ownership | Nov 5, 2024 | Oct 30, 2024 |
| 3 | Initial insider ownership | Oct 15, 2024 | Jul 24, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2024 | — |
| 4 | Insider transaction | Jun 23, 2023 | Jun 21, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2023 | — |
| 3 | Initial insider ownership | Dec 9, 2022 | Dec 8, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 18, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Mar 3, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2022 | — |
| 4 | Insider transaction | Jan 3, 2022 | Dec 28, 2021 |
| 4 | Insider transaction | Jan 3, 2022 | Dec 28, 2021 |
| 3 | Initial insider ownership | Jan 3, 2022 | Dec 9, 2021 |
| 3 | Initial insider ownership | Jan 3, 2022 | Dec 9, 2021 |
| SC 13D | Ownership over 5% (active) | Dec 22, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Dec 20, 2021 | — |
| 4 | Insider transaction | Dec 16, 2021 | Dec 9, 2021 |
| 4 | Insider transaction | Dec 16, 2021 | Dec 9, 2021 |
| 3 | Initial insider ownership | Dec 9, 2021 | Dec 9, 2021 |
| 3 | Initial insider ownership | Dec 9, 2021 | Dec 9, 2021 |
| 3 | Initial insider ownership | Dec 9, 2021 | Dec 9, 2021 |
| 3 | Initial insider ownership | Dec 9, 2021 | Dec 9, 2021 |
| 3 | Initial insider ownership | Dec 9, 2021 | Dec 9, 2021 |
Showing 29 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.