Northwest Biotherapeutics Inc SEC filings NWBO
Northwest Biotherapeutics Inc has 803 filings in SEC EDGAR's recent list, going back to Aug 13, 2001. Its latest annual report, Form 10-K, was filed on Apr 15, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 14, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 30, 2026 (material agreement, new debt). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B5 | Prospectus supplement | Jul 31, 2026 | — |
| POS AM | Filing | Apr 16, 2026 | — |
| 424B5 | Prospectus supplement | Nov 25, 2025 | — |
| S-3 | Shelf registration | Oct 24, 2025 | — |
| 424B5 | Prospectus supplement | Jul 1, 2025 | — |
| 424B5 | Prospectus supplement | Dec 26, 2024 | — |
| S-3 | Shelf registration | Oct 18, 2022 | — |
| 424B5 | Prospectus supplement | Oct 13, 2020 | — |
| 424B5 | Prospectus supplement | Aug 7, 2020 | — |
| 424B5 | Prospectus supplement | Jun 26, 2020 | — |
| 424B5 | Prospectus supplement | Jun 12, 2020 | — |
| 424B5 | Prospectus supplement | May 29, 2020 | — |
| 424B5 | Prospectus supplement | Apr 9, 2020 | — |
| 424B5 | Prospectus supplement | Feb 24, 2020 | — |
| 424B5 | Prospectus supplement | Jan 15, 2020 | — |
| 424B5 | Prospectus supplement | Jan 3, 2020 | — |
| 424B5 | Prospectus supplement | Oct 28, 2019 | — |
| 424B5 | Prospectus supplement | Oct 18, 2019 | — |
| S-3 | Shelf registration | Oct 18, 2019 | — |
| 424B5 | Prospectus supplement | Jul 18, 2019 | — |
| 424B5 | Prospectus supplement | Jul 17, 2019 | — |
| 424B5 | Prospectus supplement | Jun 28, 2018 | — |
| 424B5 | Prospectus supplement | Mar 26, 2018 | — |
| 424B5 | Prospectus supplement | Dec 5, 2017 | — |
| 424B5 | Prospectus supplement | Oct 24, 2017 | — |
| 424B5 | Prospectus supplement | Sep 22, 2017 | — |
| 424B5 | Prospectus supplement | Aug 7, 2017 | — |
| 424B5 | Prospectus supplement | Apr 17, 2017 | — |
| 424B5 | Prospectus supplement | Mar 22, 2017 | — |
| 424B5 | Prospectus supplement | Dec 29, 2016 | — |
| 424B5 | Prospectus supplement | Dec 28, 2016 | — |
| 424B5 | Prospectus supplement | Dec 20, 2016 | — |
| 424B5 | Prospectus supplement | Oct 25, 2016 | — |
| S-3/A | Filing | Oct 14, 2016 | — |
| S-3/A | Filing | Oct 7, 2016 | — |
| S-3/A | Amendment no. 1 to form s-3 | Oct 3, 2016 | — |
| S-3 | Shelf registration | Sep 23, 2016 | — |
| 424B5 | Prospectus supplement | Sep 19, 2016 | — |
| 424B5 | Prospectus supplement | Sep 19, 2016 | — |
| 424B5 | Prospectus supplement | Sep 12, 2016 | — |
| 424B5 | Prospectus supplement | Aug 26, 2016 | — |
| 424B5 | Prospectus supplement | Aug 26, 2016 | — |
| 424B5 | Prospectus supplement | Aug 26, 2016 | — |
| 424B5 | Prospectus supplement | Jul 5, 2016 | — |
| 424B5 | Prospectus supplement | May 19, 2016 | — |
| 424B5 | Prospectus supplement | May 3, 2016 | — |
| 424B5 | Prospectus supplement | Mar 3, 2016 | — |
| S-3MEF | Filing | Mar 2, 2016 | — |
| 424B3 | Prospectus | Jan 12, 2016 | — |
| 424B3 | Prospectus | Dec 30, 2015 | — |
| 424B5 | Prospectus supplement | Dec 24, 2015 | — |
| S-3/A | Form s-3/a | Dec 14, 2015 | — |
| S-3 | Shelf registration | Nov 13, 2015 | — |
| 424B5 | Prospectus supplement | Oct 8, 2014 | — |
| 424B5 | Prospectus supplement | Apr 11, 2014 | — |
| 424B5 | Prospectus supplement | Nov 21, 2013 | — |
| 424B5 | Prospectus supplement | Nov 19, 2013 | — |
| 424B5 | Prospectus supplement | Aug 9, 2013 | — |
| 424B5 | Prospectus supplement | Apr 22, 2013 | — |
| POS AM | Post-effective amendment no. 1 | Feb 6, 2013 | — |
| S-3/A | Filing | Feb 1, 2013 | — |
| S-3/A | Amendment no.1 to s-3 | Jan 25, 2013 | — |
| S-3 | Shelf registration | Jan 7, 2013 | — |
| 424B4 | Prospectus | Dec 10, 2012 | — |
| S-1/A | Amended registration statement | Dec 4, 2012 | — |
| S-1/A | Amended registration statement | Nov 15, 2012 | — |
| S-1/A | Amended registration statement | Nov 15, 2012 | — |
| FWP | Free writing prospectus | Nov 2, 2012 | — |
| S-1/A | Amended registration statement | Nov 1, 2012 | — |
| S-1 | Registration statement | Jun 29, 2012 | — |
| 424B3 | Prospectus | Feb 28, 2012 | — |
| S-1/A | Amended registration statement | Feb 3, 2012 | — |
| S-1 | Registration statement | Jan 10, 2012 | — |
| S-1 | Registration statement | Dec 23, 2011 | — |
| S-8 | Employee stock plan registration | May 14, 2010 | — |
| S-8 | Employee stock plan registration | Jun 24, 2008 | — |
| POS AM | Filing | Apr 29, 2008 | — |
| POS AM | Post-effective amendment to form s-1 | Jan 28, 2008 | — |
| POS AM | Post-effective amendment | Dec 18, 2007 | — |
| S-8 | Employee stock plan registration | Nov 21, 2007 | — |
| S-1/A | Amended registration statement | Sep 29, 2006 | — |
| S-1/A | Amended registration statement | Jul 17, 2006 | — |
| S-1 | Registration statement | May 19, 2006 | — |
| S-8 | Employee stock plan registration | Feb 4, 2002 | — |
| S-1/A | Amended registration statement | Dec 14, 2001 | — |
| 424B1 | Filed persuant to rule 424(b)(1). | Dec 14, 2001 | — |
| S-1/A | Amended registration statement | Dec 13, 2001 | — |
| S-1/A | Amended registration statement | Dec 7, 2001 | — |
| S-1/A | Amended registration statement | Nov 30, 2001 | — |
| S-1/A | Amended registration statement | Nov 14, 2001 | — |
| S-1/A | Amended registration statement | Oct 24, 2001 | — |
| S-1/A | Amended registration statement | Oct 10, 2001 | — |
| S-1 | Registration statement | Aug 13, 2001 | — |
Showing 93 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
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- NWBO (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Bethesda, MD
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1072379
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.