NWPX Infrastructure, Inc. SEC filings NWPX
NWPX Infrastructure, Inc. has 1,000 filings in SEC EDGAR's recent list, going back to Feb 16, 2010. Its latest annual report, Form 10-K, was filed on Feb 26, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 29, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 28, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SD | Specialized disclosure (conflict minerals) | May 29, 2026 | — |
| SD | Specialized disclosure (conflict minerals) | May 30, 2025 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2024 | — |
| UPLOAD | Letter from the SEC | May 20, 2024 | — |
| CORRESP | Letter to the SEC | May 16, 2024 | — |
| UPLOAD | Letter from the SEC | May 7, 2024 | — |
| EFFECT | Filing | Dec 4, 2023 | — |
| CORRESP | Letter to the SEC | Nov 29, 2023 | — |
| UPLOAD | Letter from the SEC | Nov 28, 2023 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2023 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2022 | — |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2021 | — |
| EFFECT | Filing | Nov 3, 2020 | — |
| CORRESP | Letter to the SEC | Oct 29, 2020 | — |
| UPLOAD | Letter from the SEC | Oct 27, 2020 | — |
| SD | Specialized disclosure (conflict minerals) | May 22, 2020 | — |
| 15-12G | Deregistration | Aug 1, 2019 | — |
| 25 | Form 25 | Jul 22, 2019 | — |
| 8-A12G/A | Form 8-a12g/a | Jul 3, 2019 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2019 | — |
| SD | Specialized disclosure (conflict minerals) | May 22, 2018 | — |
| UPLOAD | Letter from the SEC | Dec 8, 2017 | — |
| CORRESP | Letter to the SEC | Dec 6, 2017 | — |
| UPLOAD | Letter from the SEC | Dec 4, 2017 | — |
| EFFECT | Filing | Sep 15, 2017 | — |
| CORRESP | Letter to the SEC | Sep 12, 2017 | — |
| CORRESP | Letter to the SEC | Aug 18, 2017 | — |
| SD | Specialized disclosure (conflict minerals) | May 25, 2017 | — |
| UPLOAD | Letter from the SEC | Mar 23, 2017 | — |
| SD | Specialized disclosure (conflict minerals) | May 20, 2016 | — |
| UPLOAD | Letter from the SEC | Sep 10, 2015 | — |
| CORRESP | Letter to the SEC | Sep 1, 2015 | — |
| UPLOAD | Letter from the SEC | Aug 25, 2015 | — |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2015 | — |
| NT 10-Q | Filing | Aug 12, 2014 | Jun 30, 2014 |
| SD | Specialized disclosure (conflict minerals) | Jun 2, 2014 | — |
| UPLOAD | Letter from the SEC | Sep 7, 2012 | — |
| CORRESP | Letter to the SEC | Sep 5, 2012 | — |
| UPLOAD | Letter from the SEC | Aug 30, 2012 | — |
| UPLOAD | Letter from the SEC | Aug 1, 2012 | — |
| CORRESP | Letter to the SEC | Jul 16, 2012 | — |
| UPLOAD | Letter from the SEC | Jun 29, 2012 | — |
| NT 10-Q | Notification of late filing | May 11, 2012 | Mar 31, 2012 |
| NT 10-K | Notification of late filing | Mar 15, 2012 | Dec 31, 2011 |
| UPLOAD | Letter from the SEC | Jan 20, 2012 | — |
| CORRESP | Letter to the SEC | Jan 9, 2012 | — |
| UPLOAD | Letter from the SEC | Dec 29, 2011 | — |
| NT 10-Q | Notification of late filing | Nov 10, 2011 | Sep 30, 2011 |
| NT 10-K | Notification of late filing | Mar 17, 2011 | Dec 31, 2010 |
| RW | Registration withdrawal | Mar 4, 2011 | — |
| UPLOAD | Letter from the SEC | Feb 23, 2011 | — |
| CORRESP | Letter to the SEC | Jan 26, 2011 | — |
| UPLOAD | Letter from the SEC | Dec 21, 2010 | — |
| NT 10-Q | Notification of late filing | Nov 10, 2010 | Sep 30, 2010 |
| NT 10-Q | Form 12b-25 | Aug 10, 2010 | Jun 30, 2010 |
| NT 10-Q | Notification of late filing | May 11, 2010 | Mar 31, 2010 |
| NT 10-K | Notification of late filing | Mar 16, 2010 | Dec 31, 2009 |
Showing 57 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
- Steel Pipe & Tubes (SIC 3317)
- Listed as
- NWPX (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- OR
- Headquarters
- Vancouver, WA
- SEC filer status
- Accelerated filer
- SEC CIK
- 1001385
- Former names
- NORTHWEST PIPE CO (until Jun 12, 2025)
Other Steel Pipe & Tubes companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.