Net Power Inc. SEC filings NPWR
Net Power Inc. has 350 filings in SEC EDGAR's recent list, going back to Mar 10, 2021. Its latest annual report, Form ARS, was filed on Apr 23, 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 22, 2026 (material agreement). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| S-3 | Shelf registration | Nov 15, 2024 | — |
| 424B3 | Prospectus | Jul 8, 2024 | — |
| POS AM | Registration statement | Jul 1, 2024 | — |
| 424B3 | Prospectus | May 24, 2024 | — |
| POS AM | Post-effective registration statement | May 17, 2024 | — |
| 424B3 | Prospectus | May 13, 2024 | — |
| 424B3 | Prospectus | Apr 29, 2024 | — |
| 424B3 | Prospectus | Mar 13, 2024 | — |
| 424B3 | Prospectus | Nov 14, 2023 | — |
| 424B3 | Prospectus | Sep 25, 2023 | — |
| S-1/A | Amended registration statement | Sep 15, 2023 | — |
| S-8 | Employee stock plan registration | Aug 22, 2023 | — |
| S-1 | Registration statement | Jul 7, 2023 | — |
| 424B3 | Prospectus | May 26, 2023 | — |
| 424B3 | Prospectus | May 10, 2023 | — |
| S-4/A | Registration statement | May 9, 2023 | — |
| S-4/A | Amendment no. 4 to form s-4 | May 4, 2023 | — |
| S-4/A | Registration statement | Apr 24, 2023 | — |
| S-4/A | Registration statement | Mar 7, 2023 | — |
| S-4/A | Registration statement | Feb 2, 2023 | — |
| S-4 | Registration for a merger or exchange | Dec 23, 2022 | — |
| 424B4 | Prospectus | Jun 17, 2021 | — |
| S-1MEF | Registration statement | Jun 15, 2021 | — |
| S-1/A | Amended registration statement | Jun 9, 2021 | — |
| S-1/A | Amended registration statement | Jun 3, 2021 | — |
| S-1/A | Amended registration statement | May 21, 2021 | — |
| S-1/A | Amended registration statement | May 6, 2021 | — |
| S-1 | Registration statement | Mar 10, 2021 | — |
Showing 28 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
- Electrical Industrial Apparatus (SIC 3620)
- Listed as
- NPWR (NYSE), NPWR-WT (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Houston, TX
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1845437
- Former names
- Rice Acquisition Corp. II (until Jun 7, 2023)
Other Electrical Industrial Apparatus companies
- Bloom Energy Corp BE
- Woodward, Inc. WWD
- Forgent Power Solutions, Inc. FPS
- Accelevation Holdings Corp. ACCV
- Plug Power Inc PLUG
- Fuelcell Energy Inc FCEL
- Ballard Power Systems Inc. BLDP
- ERock, Inc. EROC
Source: SEC EDGAR filings. This is company-reported data, not investment advice.