Oncotelic Therapeutics, Inc. SEC filings OTLC
Oncotelic Therapeutics, Inc. has 1,007 filings in SEC EDGAR's recent list, going back to Jul 19, 2005. 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 13, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 26, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B3 | Prospectus | Dec 23, 2025 | — |
| S-1/A | Amended registration statement | Dec 22, 2025 | — |
| S-1 | Registration statement | Nov 21, 2025 | — |
| 424B3 | Prospectus | Apr 29, 2025 | — |
| POS AM | Filing | Apr 15, 2025 | — |
| 424B3 | Prospectus | Apr 26, 2024 | — |
| POS AM | Filing | Apr 18, 2024 | — |
| POS AM | Filing | Apr 12, 2024 | — |
| 424B3 | Prospectus | May 2, 2023 | — |
| POS AM | Filing | Apr 20, 2023 | — |
| POS AM | Filing | Apr 17, 2023 | — |
| 424B3 | Prospectus | May 11, 2022 | — |
| POS AM | Filing | Apr 26, 2022 | — |
| 424B3 | Prospectus | Sep 27, 2021 | — |
| S-3/A | Filing | Sep 8, 2021 | — |
| S-3 | Shelf registration | Aug 20, 2021 | — |
| 424B3 | Prospectus | Jun 3, 2021 | — |
| S-1 | Registration statement | May 24, 2021 | — |
| S-8 | Employee stock plan registration | Apr 19, 2021 | — |
| S-8 | Employee stock plan registration | Aug 14, 2018 | — |
| 424B5 | Prospectus supplement | Jun 27, 2018 | — |
| S-1 | Registration statement | Jun 13, 2018 | — |
| S-1/A | Amended registration statement | Nov 16, 2017 | — |
| S-1/A | Amended registration statement | Sep 29, 2017 | — |
| FWP | Free writing prospectus | Sep 11, 2017 | — |
| S-1/A | Amended registration statement | Aug 2, 2017 | — |
| FWP | Free writing prospectus | Jun 19, 2017 | — |
| S-1/A | Amended registration statement | Jun 13, 2017 | — |
| S-1 | Registration statement | May 11, 2017 | — |
| S-8 | Employee stock plan registration | Mar 30, 2017 | — |
| S-8 | Employee stock plan registration | May 28, 2015 | — |
| S-3 | Shelf registration | May 20, 2015 | — |
| 424B5 | Prospectus supplement | Mar 20, 2015 | — |
| 424B3 | Prospectus | Jun 16, 2014 | — |
| S-3 | Shelf registration | Jun 6, 2014 | — |
| 424B5 | Prospectus supplement | May 27, 2014 | — |
| 424B4 | Prospectus | Feb 13, 2014 | — |
| S-1MEF | Filing | Feb 12, 2014 | — |
| S-1/A | Amended registration statement | Feb 10, 2014 | — |
| FWP | Free writing prospectus | Feb 3, 2014 | — |
| S-1/A | Amended registration statement | Jan 31, 2014 | — |
| S-1/A | Amended registration statement | Jan 24, 2014 | — |
| 424B3 | Prospectus | Nov 14, 2013 | — |
| S-3 | Shelf registration | Oct 2, 2013 | — |
| FWP | Free writing prospectus | Sep 9, 2013 | — |
| S-1/A | Amended registration statement | Aug 29, 2013 | — |
| S-1 | Registration statement | Aug 8, 2013 | — |
| S-8 | Employee stock plan registration | Aug 6, 2013 | — |
| 424B3 | Prospectus | May 2, 2013 | — |
| S-3 | Shelf registration | Apr 24, 2013 | — |
| 424B5 | Prospectus supplement | Feb 22, 2013 | — |
| 424B3 | Prospectus | Nov 27, 2012 | — |
| 424B5 | Prospectus supplement | Sep 5, 2012 | — |
| 424B3 | Prospectus | Sep 5, 2012 | — |
| 424B2 | Prospectus | Jun 14, 2012 | — |
| 424B2 | Prospectus | Jun 14, 2012 | — |
| 424B3 | Prospectus | Jun 8, 2012 | — |
| S-3 | Shelf registration | May 31, 2012 | — |
| S-8 | Employee stock plan registration | May 31, 2012 | — |
| 424B3 | Prospectus | Apr 18, 2012 | — |
| POS AM | Post-effective amendment no. 1 to form s-1 | Apr 3, 2012 | — |
| 424B3 | Prospectus | Jan 12, 2012 | — |
| S-1 | Registration statement | Dec 22, 2011 | — |
| S-8 | Employee stock plan registration | Oct 31, 2011 | — |
| 424B5 | Prospectus supplement | Jul 8, 2011 | — |
| 424B5 | Prospectus supplement | Jun 29, 2011 | — |
| 424B5 | Prospectus supplement | Jun 1, 2011 | — |
| POS AM | Post effective amendment no.3 to form s-1 | May 25, 2011 | — |
| 424B5 | Prospectus supplement | Jan 31, 2011 | — |
| 424B3 | Prospectus | Sep 23, 2010 | — |
| 424B3 | Prospectus | Aug 17, 2010 | — |
| 424B5 | Prospectus supplement | Jul 22, 2010 | — |
| 424B3 | Prospectus | Jun 10, 2010 | — |
| POS AM | Oxigene, inc. | Jun 4, 2010 | — |
| 424B3 | Prospectus | Apr 29, 2010 | — |
| S-3/A | Oxigene, inc. | Apr 16, 2010 | — |
| S-3 | Shelf registration | Mar 31, 2010 | — |
| 424B3 | Prospectus | Dec 23, 2009 | — |
| 424B3 | Prospectus | Dec 9, 2009 | — |
| S-4 | Registration for a merger or exchange | Nov 30, 2009 | — |
| POS AM | Oxigene, inc. | Aug 14, 2009 | — |
| 424B3 | Prospectus | Aug 14, 2009 | — |
| S-3 | Shelf registration | Aug 3, 2009 | — |
| 424B5 | Prospectus supplement | Jul 15, 2009 | — |
| 424B5 | Prospectus supplement | Jul 15, 2009 | — |
| S-8 | Employee stock plan registration | May 29, 2009 | — |
| 424B3 | Prospectus | Dec 2, 2008 | — |
| S-3 | Shelf registration | Nov 14, 2008 | — |
| S-3 | Shelf registration | Nov 14, 2008 | — |
| 424B3 | Prospectus | Nov 7, 2008 | — |
| 424B3 | Prospectus | Aug 8, 2008 | — |
| 424B3 | Prospectus | Jun 9, 2008 | — |
| S-1 | Registration statement | May 2, 2008 | — |
| S-3 | Shelf registration | Mar 18, 2008 | — |
| 424B5 | Prospectus supplement | Dec 15, 2005 | — |
| 424B5 | Prospectus supplement | Dec 1, 2005 | — |
| S-3 | Shelf registration | Sep 23, 2005 | — |
Showing 97 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
- OTLC (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Aguora Hills, CA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 908259
- Former names
- MATEON THERAPEUTICS INC (until Mar 26, 2021); OXIGENE INC (until Jun 3, 2016)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.