Soligenix, Inc. SEC filings SNGX
Soligenix, Inc. has 1,001 filings in SEC EDGAR's recent list, going back to Dec 3, 2008. Its latest annual report, Form ARS, was filed on Aug 3, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 7, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 21, 2026 (bylaw or fiscal year change, shareholder vote results, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B3 | Prospectus | Aug 7, 2026 | — |
| 424B3 | Prospectus | Aug 7, 2026 | — |
| 424B3 | Prospectus | Aug 7, 2026 | — |
| 424B3 | Prospectus | Aug 7, 2026 | — |
| 424B5 | Prospectus supplement | Jun 26, 2026 | — |
| 424B5 | Prospectus supplement | May 28, 2026 | — |
| 424B3 | Prospectus | May 8, 2026 | — |
| 424B3 | Prospectus | May 8, 2026 | — |
| 424B3 | Prospectus | May 8, 2026 | — |
| 424B3 | Prospectus | May 8, 2026 | — |
| POS AM | Filing | Mar 31, 2026 | — |
| POS AM | Filing | Mar 31, 2026 | — |
| POS AM | Filing | Mar 31, 2026 | — |
| POS AM | Filing | Mar 31, 2026 | — |
| 424B5 | Prospectus supplement | Jan 23, 2026 | — |
| 424B3 | Prospectus | Nov 7, 2025 | — |
| 424B3 | Prospectus | Nov 7, 2025 | — |
| 424B3 | Prospectus | Nov 7, 2025 | — |
| 424B4 | Prospectus | Sep 26, 2025 | — |
| S-1 | Registration statement | Sep 19, 2025 | — |
| 424B3 | Prospectus | Aug 15, 2025 | — |
| 424B3 | Prospectus | Aug 15, 2025 | — |
| 424B3 | Prospectus | Aug 15, 2025 | — |
| S-8 | Employee stock plan registration | Jun 20, 2025 | — |
| POS AM | Filing | Mar 21, 2025 | — |
| POS AM | Filing | Mar 21, 2025 | — |
| POS AM | Filing | Mar 21, 2025 | — |
| 424B3 | Prospectus | Nov 8, 2024 | — |
| 424B3 | Prospectus | Nov 8, 2024 | — |
| 424B3 | Prospectus | Nov 8, 2024 | — |
| 424B5 | Prospectus supplement | Aug 16, 2024 | — |
| 424B3 | Prospectus | Aug 9, 2024 | — |
| 424B3 | Prospectus | Aug 9, 2024 | — |
| S-1 | Registration statement | Jul 24, 2024 | — |
| 424B3 | Prospectus | May 10, 2024 | — |
| 424B4 | Prospectus | Apr 19, 2024 | — |
| S-1/A | Amended registration statement | Apr 2, 2024 | — |
| S-1/A | Amended registration statement | Mar 15, 2024 | — |
| S-1 | Registration statement | Jan 16, 2024 | — |
| S-3/A | Filing | Dec 8, 2023 | — |
| S-3 | Shelf registration | Aug 30, 2023 | — |
| 424B4 | Prospectus | May 8, 2023 | — |
| S-1/A | Amended registration statement | May 4, 2023 | — |
| S-1/A | Amended registration statement | Apr 20, 2023 | — |
| S-1 | Registration statement | Mar 31, 2023 | — |
| S-8 | Employee stock plan registration | Oct 28, 2022 | — |
| 424B5 | Prospectus supplement | Aug 13, 2021 | — |
| S-3 | Shelf registration | Jan 15, 2021 | — |
| 424B5 | Prospectus supplement | Aug 28, 2020 | — |
| S-3/A | Amendment no. 2 to registration statement | Aug 14, 2020 | — |
| S-3/A | Amendment no.1 to form s-3 | Jul 31, 2020 | — |
| S-3 | Shelf registration | Jul 17, 2020 | — |
| 424B5 | Prospectus supplement | Apr 10, 2020 | — |
| 424B5 | Prospectus supplement | Mar 20, 2020 | — |
| 424B5 | Prospectus supplement | Oct 3, 2018 | — |
| 424B4 | Prospectus | Jun 29, 2018 | — |
| S-1/A | Amended registration statement | Jun 20, 2018 | — |
| S-1/A | Amended registration statement | Jun 18, 2018 | — |
| S-1 | Registration statement | May 25, 2018 | — |
| 424B3 | Prospectus | Nov 30, 2017 | — |
| S-1 | Registration statement | Nov 20, 2017 | — |
| 424B5 | Prospectus supplement | Oct 31, 2017 | — |
| 424B5 | Prospectus supplement | Aug 11, 2017 | — |
| S-3/A | Amendment no. 1 to registration statement | Aug 8, 2017 | — |
| S-3 | Shelf registration | May 5, 2017 | — |
| POS AM | Post-effective amendment no. 1 to registration statement | Apr 26, 2017 | — |
| 424B4 | Prospectus | Dec 14, 2016 | — |
| S-1MEF | A new registration statement | Dec 13, 2016 | — |
| S-1/A | Amended registration statement | Nov 22, 2016 | — |
| S-1/A | Amended registration statement | Nov 21, 2016 | — |
| S-1/A | Amended registration statement | Nov 15, 2016 | — |
| 424B3 | Prospectus | Nov 14, 2016 | — |
| 424B3 | Prospectus | Nov 14, 2016 | — |
| 424B3 | Prospectus | Nov 14, 2016 | — |
| 424B3 | Prospectus | Nov 14, 2016 | — |
| 424B3 | Prospectus | Nov 14, 2016 | — |
| S-1/A | Amended registration statement | Nov 14, 2016 | — |
| S-1 | Registration statement | Oct 7, 2016 | — |
| 424B3 | Prospectus | May 13, 2016 | — |
| 424B3 | Prospectus | May 13, 2016 | — |
| 424B3 | Prospectus | May 13, 2016 | — |
| 424B3 | Prospectus | May 13, 2016 | — |
| 424B3 | Prospectus | May 13, 2016 | — |
| 424B3 | Prospectus | Apr 29, 2016 | — |
| POS AM | Amendment no. 4 to registration statement | Apr 13, 2016 | — |
| S-1 | Registration statement | Apr 8, 2016 | — |
| POS AM | Post-effective amendment no.4 to registration statement | Mar 31, 2016 | — |
| POS AM | Post-effective amendment no.3 to registration statement | Mar 31, 2016 | — |
| POS AM | Post-effective amendment no.2 to registration statement | Mar 31, 2016 | — |
| POS AM | Post-effective amendment no.1 to registration statement | Mar 31, 2016 | — |
| S-8 | Employee stock plan registration | Dec 14, 2015 | — |
| 424B3 | Prospectus | Nov 12, 2015 | — |
| 424B3 | Prospectus | Nov 12, 2015 | — |
| 424B3 | Prospectus | Nov 12, 2015 | — |
| 424B3 | Prospectus | Nov 12, 2015 | — |
| S-1/A | Amended registration statement | Aug 21, 2015 | — |
| 424B3 | Prospectus | Aug 12, 2015 | — |
| 424B3 | Prospectus | Aug 12, 2015 | — |
| 424B3 | Prospectus | Aug 12, 2015 | — |
| S-1 | Registration statement | Aug 3, 2015 | — |
| 424B3 | Prospectus | May 15, 2015 | — |
| 424B3 | Prospectus | May 15, 2015 | — |
| 424B3 | Prospectus | May 15, 2015 | — |
| POS AM | Post-effective amendment to registration statement | Mar 27, 2015 | — |
| POS AM | Post-effective amendment to registration statement | Mar 27, 2015 | — |
| POS AM | Post-effective amendment no. 3 to registration statement | Mar 27, 2015 | — |
| 424B3 | Prospectus | Dec 29, 2014 | — |
| 424B3 | Prospectus | Dec 29, 2014 | — |
| 424B3 | Prospectus | Dec 29, 2014 | — |
| POS AM | Post-effective amendment to form s-1 | Dec 29, 2014 | — |
| 424B4 | Prospectus | Dec 19, 2014 | — |
| S-1/A | Amended registration statement | Dec 17, 2014 | — |
| S-1/A | Amended registration statement | Nov 17, 2014 | — |
| 424B3 | Prospectus | Nov 10, 2014 | — |
| 424B3 | Prospectus | Nov 10, 2014 | — |
| 424B3 | Prospectus | Nov 10, 2014 | — |
| S-1/A | Amended registration statement | Nov 4, 2014 | — |
| S-1 | Registration statement | Oct 31, 2014 | — |
| S-1 | Registration statement | Sep 30, 2014 | — |
| 424B3 | Prospectus | Aug 11, 2014 | — |
| 424B3 | Prospectus | Aug 11, 2014 | — |
| S-8 | Employee stock plan registration | Jun 20, 2014 | — |
| 424B3 | Prospectus | May 15, 2014 | — |
| 424B3 | Prospectus | May 15, 2014 | — |
| 424B3 | Prospectus | May 14, 2014 | — |
| POS AM | Post-effective amendment no. 2 | May 5, 2014 | — |
| 424B3 | Prospectus | Apr 21, 2014 | — |
| POS AM | Post-effective amendment | Apr 8, 2014 | — |
| 424B3 | Prospectus | Jan 22, 2014 | — |
| 424B3 | Prospectus | Jan 16, 2014 | — |
| S-1/A | Amended registration statement | Jan 13, 2014 | — |
| S-1/A | Amended registration statement | Dec 30, 2013 | — |
| S-1 | Registration statement | Dec 17, 2013 | — |
| 424B3 | Prospectus | Sep 30, 2013 | — |
| POS AM | Amended registration statement | Jun 26, 2013 | — |
| 424B4 | Prospectus | Jun 21, 2013 | — |
| S-1/A | Amended registration statement | Jun 19, 2013 | — |
| S-1/A | Amended registration statement | Jun 13, 2013 | — |
| S-1/A | Amended registration statement | Jun 13, 2013 | — |
| S-1/A | Amended registration statement | May 8, 2013 | — |
| S-1/A | Amended registration statement | Mar 1, 2013 | — |
| S-1 | Registration statement | Nov 5, 2012 | — |
| 424B3 | Prospectus | Nov 21, 2011 | — |
| 424B3 | Prospectus | Nov 21, 2011 | — |
| 424B3 | Prospectus | Nov 21, 2011 | — |
| 424B3 | Prospectus | Nov 21, 2011 | — |
| 424B3 | Prospectus | Sep 16, 2011 | — |
| 424B3 | Prospectus | Sep 16, 2011 | — |
| 424B3 | Prospectus | Sep 15, 2011 | — |
| 424B3 | Prospectus | Sep 15, 2011 | — |
| 424B3 | Prospectus | Aug 19, 2011 | — |
| 424B3 | Prospectus | Aug 19, 2011 | — |
| 424B3 | Prospectus | Aug 19, 2011 | — |
| 424B3 | Prospectus | Aug 19, 2011 | — |
| 424B3 | Prospectus | May 17, 2011 | — |
| 424B3 | Prospectus | May 17, 2011 | — |
| 424B3 | Prospectus | May 17, 2011 | — |
| 424B3 | Prospectus | May 17, 2011 | — |
| POS AM | Post-effective amendment no. 1 to form s-1 | Apr 14, 2011 | — |
| POS AM | Post-effective amendment no. 2 to form s-1 | Apr 14, 2011 | — |
| POS AM | Post-effective amendment no. 2 to form s-1 | Apr 14, 2011 | — |
| POS AM | Post-effective amendment no. 3 to form s-1 | Apr 14, 2011 | — |
| 424B3 | Prospectus | Nov 16, 2010 | — |
| 424B3 | Prospectus | Nov 16, 2010 | — |
| 424B3 | Prospectus | Nov 16, 2010 | — |
| 424B3 | Prospectus | Nov 16, 2010 | — |
| 424B3 | Prospectus | Oct 1, 2010 | — |
| 424B3 | Prospectus | Oct 1, 2010 | — |
| 424B3 | Prospectus | Oct 1, 2010 | — |
| 424B3 | Prospectus | Oct 1, 2010 | — |
| 424B3 | Prospectus | Aug 20, 2010 | — |
| 424B3 | Prospectus | Aug 20, 2010 | — |
| 424B3 | Prospectus | Aug 20, 2010 | — |
| 424B3 | Prospectus | Aug 20, 2010 | — |
| 424B3 | Prospectus | Jul 13, 2010 | — |
| S-1/A | Amended registration statement | Jul 9, 2010 | — |
| S-1 | Registration statement | Jun 25, 2010 | — |
| 424B3 | Prospectus | May 18, 2010 | — |
| 424B3 | Prospectus | May 18, 2010 | — |
| 424B3 | Prospectus | May 18, 2010 | — |
| 424B3 | Prospectus | May 10, 2010 | — |
| 424B3 | Prospectus | Apr 30, 2010 | — |
| 424B3 | Prospectus | Apr 30, 2010 | — |
| POS AM | Post effective amendment | Apr 28, 2010 | — |
| POS AM | Post effective amendment | Apr 22, 2010 | — |
| POS AM | Post effective amendment | Apr 20, 2010 | — |
| 424B3 | Prospectus | Nov 23, 2009 | — |
| 424B3 | Prospectus | Nov 23, 2009 | — |
| 424B3 | Prospectus | Nov 23, 2009 | — |
| 424B3 | Prospectus | Oct 20, 2009 | — |
| S-1/A | Amended registration statement | Oct 19, 2009 | — |
| S-1 | Registration statement | Oct 7, 2009 | — |
| 424B3 | Prospectus | Aug 21, 2009 | — |
| 424B3 | Prospectus | Aug 21, 2009 | — |
| 424B3 | Prospectus | May 18, 2009 | — |
| 424B3 | Prospectus | May 18, 2009 | — |
| 424B3 | Prospectus | May 14, 2009 | — |
| POS AM | Pos am fusion line | Apr 27, 2009 | — |
| 424B3 | Prospectus | Apr 17, 2009 | — |
| S-1/A | Amended registration statement | Apr 14, 2009 | — |
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- SNGX (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Princeton, NJ
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 812796
- Former names
- SOLIGENIX, INC. (until Nov 2, 2026); DOR BIOPHARMA INC (until Sep 29, 2009); ENDOREX CORP (until Oct 24, 2001); IMMUNOTHERAPEUTICS INC (until Apr 30, 1996)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.