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 |
|---|---|---|---|
| POS EX | Post-effective amendment no. 1 to form s-4 | Oct 5, 2026 | — |
| EFFECT | Filing | Aug 12, 2026 | — |
| 425 | Current report | Apr 23, 2026 | — |
| 425 | Current report | Mar 25, 2026 | — |
| 425 | Current report | Jan 30, 2026 | — |
| NT 10-Q | Notification of late filing | Nov 13, 2025 | Sep 30, 2025 |
| NT 10-Q | Notification of late filing | Aug 14, 2025 | Jun 30, 2025 |
| 425 | Current report | May 19, 2025 | — |
| NT 10-Q | Notification of late filing | May 15, 2025 | Mar 31, 2025 |
| 25-NSE | Delisting notice | Dec 19, 2024 | — |
| 425 | Current report | Dec 12, 2024 | — |
| 425 | Current report | Dec 5, 2024 | — |
| UPLOAD | Letter from the SEC | Nov 22, 2024 | — |
| CORRESP | Letter to the SEC | Nov 20, 2024 | — |
| CORRESP | Letter to the SEC | Nov 18, 2024 | — |
| PRER14A | Proxy statement | Nov 18, 2024 | — |
| UPLOAD | Letter from the SEC | Nov 15, 2024 | — |
| NT 10-Q | Notification of late filing | Nov 14, 2024 | Sep 30, 2024 |
| NT 10-Q | Filing | Aug 14, 2024 | Jun 30, 2024 |
| 425 | Form 8-k | Jul 11, 2024 | — |
| 425 | Form 8-k | Jun 17, 2024 | — |
| NT 10-Q | Notification of late filing | May 16, 2024 | Mar 31, 2024 |
| 425 | Current report | May 14, 2024 | — |
| 425 | Current report | Apr 24, 2024 | — |
| 425 | Form 8-k | Apr 22, 2024 | — |
| NT 10-K | Notification of late filing | Apr 2, 2024 | Dec 31, 2023 |
| 425 | Current report | Mar 18, 2024 | — |
| 425 | Form 8-k | Feb 12, 2024 | — |
| 425 | Current report | Jan 9, 2024 | — |
| 425 | Current report | Dec 14, 2023 | — |
| 425 | Current report | Dec 11, 2023 | — |
| NT 10-Q | Notification of late filing | Nov 14, 2023 | Sep 30, 2023 |
| 425 | Current report | Nov 8, 2023 | — |
| 425 | Current report | Oct 6, 2023 | — |
| 425 | Current report | Oct 5, 2023 | — |
| 425 | Current report | Sep 8, 2023 | — |
| 425 | Current report | Aug 25, 2023 | — |
| NT 10-Q | Notification of late filing | Aug 14, 2023 | Jun 30, 2023 |
| 425 | Form 8-k | Aug 9, 2023 | — |
| 25 | Form 25 | Jul 27, 2023 | — |
| 425 | Current report | Jul 21, 2023 | — |
| CERT | Nyse american certification | Jul 18, 2023 | — |
| 8-A12B | For registration of certain classes | Jul 18, 2023 | — |
| 425 | Current report | Jul 17, 2023 | — |
| 425 | Current report | Jul 11, 2023 | — |
| 425 | Current report | Jun 27, 2023 | — |
| 425 | Current report | Jun 20, 2023 | — |
| 425 | Current report | Jun 14, 2023 | — |
| NT 10-Q | Notification of late filing | May 15, 2023 | Mar 31, 2023 |
| 425 | Form 425 | Apr 25, 2023 | — |
| 425 | Form 425 | Apr 24, 2023 | — |
| 425 | Form 425 | Apr 21, 2023 | — |
| 425 | Form 425 | Apr 20, 2023 | — |
| 425 | Form 425 | Apr 20, 2023 | — |
| 425 | Form 425 | Apr 20, 2023 | — |
| 425 | Current report | Apr 20, 2023 | — |
| EFFECT | Filing | Dec 9, 2021 | — |
| CERT | Nyse certification | Dec 9, 2021 | — |
| 8-A12B | For registration of certain classes | Dec 8, 2021 | — |
| CORRESP | Letter to the SEC | Dec 7, 2021 | — |
| CORRESP | Letter to the SEC | Dec 7, 2021 | — |
| UPLOAD | Letter from the SEC | Oct 26, 2021 | — |
| DRS | Filing | Oct 18, 2021 | — |
Showing 63 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.