Union Electric Co SEC filings UEPEN
Union Electric Co has 561 filings in SEC EDGAR's recent list, going back to Jan 14, 1994. Its latest annual report, Form 10-K, was filed on Feb 18, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 3, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 28, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| S-3ASR | Automatic shelf registration | Aug 4, 2026 | — |
| 424B2 | Prospectus | Jun 16, 2026 | — |
| FWP | Free writing prospectus | Jun 15, 2026 | — |
| 424B3 | Prospectus | Jun 15, 2026 | — |
| 424B2 | Prospectus | Feb 24, 2026 | — |
| FWP | Free writing prospectus | Feb 23, 2026 | — |
| 424B3 | Prospectus | Feb 23, 2026 | — |
| 424B2 | Prospectus | Mar 27, 2025 | — |
| FWP | Free writing prospectus | Mar 26, 2025 | — |
| 424B3 | Prospectus | Mar 26, 2025 | — |
| 424B1 | Filing | Dec 12, 2024 | — |
| FWP | Free writing prospectus | Dec 11, 2024 | — |
| FWP | Free writing prospectus | Dec 4, 2024 | — |
| 424B2 | Prospectus | Oct 1, 2024 | — |
| FWP | Free writing prospectus | Sep 30, 2024 | — |
| 424B3 | Prospectus | Sep 30, 2024 | — |
| 424B2 | Prospectus | Mar 26, 2024 | — |
| FWP | Free writing prospectus | Mar 25, 2024 | — |
| 424B3 | Prospectus | Mar 25, 2024 | — |
| 424B2 | Prospectus | Jan 4, 2024 | — |
| FWP | Free writing prospectus | Jan 3, 2024 | — |
| 424B3 | Prospectus | Jan 3, 2024 | — |
| S-3ASR | Automatic shelf registration | Oct 13, 2023 | — |
| 424B2 | Prospectus | Feb 28, 2023 | — |
| FWP | Free writing prospectus | Feb 27, 2023 | — |
| 424B3 | Prospectus | Feb 27, 2023 | — |
| 424B2 | Prospectus | Mar 22, 2022 | — |
| FWP | Free writing prospectus | Mar 21, 2022 | — |
| 424B3 | Prospectus | Mar 21, 2022 | — |
| 424B2 | Prospectus | Jun 10, 2021 | — |
| FWP | Free writing prospectus | Jun 9, 2021 | — |
| 424B3 | Prospectus | Jun 9, 2021 | — |
| S-3ASR | Automatic shelf registration | Oct 14, 2020 | — |
| 424B2 | Prospectus | Oct 2, 2020 | — |
| FWP | Free writing prospectus | Oct 1, 2020 | — |
| 424B3 | Prospectus | Oct 1, 2020 | — |
| 424B2 | Prospectus | Mar 18, 2020 | — |
| FWP | Free writing prospectus | Mar 17, 2020 | — |
| 424B3 | Prospectus | Mar 17, 2020 | — |
| 424B2 | Prospectus | Sep 24, 2019 | — |
| FWP | Free writing prospectus | Sep 23, 2019 | — |
| 424B3 | Prospectus | Sep 23, 2019 | — |
| 424B2 | Prospectus | Mar 5, 2019 | — |
| FWP | Free writing prospectus | Mar 4, 2019 | — |
| 424B3 | Prospectus | Mar 4, 2019 | — |
| 424B2 | Prospectus | Apr 4, 2018 | — |
| FWP | Free writing prospectus | Apr 3, 2018 | — |
| 424B3 | Prospectus | Apr 3, 2018 | — |
| S-3ASR | Automatic shelf registration | Dec 15, 2017 | — |
| 424B2 | Prospectus | Jun 8, 2017 | — |
| FWP | Free writing prospectus | Jun 6, 2017 | — |
| 424B3 | Prospectus | Jun 6, 2017 | — |
| 424B2 | Prospectus | Jun 21, 2016 | — |
| FWP | Free writing prospectus | Jun 20, 2016 | — |
| 424B3 | Prospectus | Jun 20, 2016 | — |
| S-3ASR | Automatic shelf registration | Jun 22, 2015 | — |
| 424B2 | Prospectus | Apr 1, 2015 | — |
| FWP | Free writing prospectus | Mar 31, 2015 | — |
| 424B3 | Prospectus | Mar 31, 2015 | — |
| 424B2 | Prospectus | Apr 2, 2014 | — |
| FWP | Free writing prospectus | Apr 1, 2014 | — |
| 424B3 | Prospectus | Apr 1, 2014 | — |
| 424B2 | Prospectus | Sep 10, 2012 | — |
| FWP | Free writing prospectus | Sep 6, 2012 | — |
| 424B3 | Prospectus | Sep 6, 2012 | — |
| S-3ASR | Automatic shelf registration | Jun 21, 2012 | — |
| 424B2 | Prospectus | Mar 17, 2009 | — |
| FWP | Free writing prospectus | Mar 13, 2009 | — |
| 424B3 | Prospectus | Mar 13, 2009 | — |
| 424B5 | Prospectus supplement | Jun 13, 2008 | — |
| FWP | Free writing prospectus | Jun 12, 2008 | — |
| 424B3 | Prospectus | Jun 12, 2008 | — |
| S-3ASR | Automatic shelf registration | Jun 5, 2008 | — |
| 424B2 | Prospectus | Apr 2, 2008 | — |
| FWP | Free writing prospectus | Apr 1, 2008 | — |
| 424B5 | Prospectus supplement | Apr 1, 2008 | — |
| 424B2 | Prospectus | Jun 13, 2007 | — |
| FWP | Free writing prospectus | Jun 12, 2007 | — |
| 424B5 | Prospectus supplement | Jun 12, 2007 | — |
| 424B2 | Prospectus | Dec 6, 2005 | — |
| FWP | Free writing prospectus | Dec 6, 2005 | — |
| FWP | Free writing prospectus | Dec 6, 2005 | — |
| 424B3 | Prospectus | Dec 5, 2005 | — |
| S-3/A | Amendment no. 1 to form s-3 | Oct 12, 2005 | — |
| S-3 | Shelf registration | Sep 23, 2005 | — |
| 424B5 | Prospectus supplement | Jul 20, 2005 | — |
| 424B5 | Prospectus supplement | Jan 25, 2005 | — |
| 424B5 | Prospectus supplement | Sep 21, 2004 | — |
| 424B5 | Prospectus supplement | May 17, 2004 | — |
| 424B5 | Prospectus supplement | Oct 3, 2003 | — |
| S-3/A | Filing | Sep 3, 2003 | — |
| S-3 | Shelf registration | Aug 15, 2003 | — |
| 424B5 | Prospectus supplement | Jul 25, 2003 | — |
| 424B5 | Prospectus supplement | Apr 7, 2003 | — |
| 424B5 | Prospectus supplement | Mar 6, 2003 | — |
| 424B4 | Prospectus | Aug 19, 2002 | — |
| 424B3 | Prospectus | Aug 19, 2002 | — |
| S-3/A | Form s-3/a#3 | Aug 6, 2002 | — |
| S-3/A | Form s-3/a | Jul 19, 2002 | — |
| S-3/A | Form s-3/a | Jun 19, 2002 | — |
| S-3 | Shelf registration | May 3, 2002 | — |
| 424B5 | Prospectus supplement | Dec 12, 1996 | — |
| 424B5 | Prospectus supplement | Dec 9, 1996 | — |
| S-3/A | Post effective amendment no. 1 to form s-3 | Nov 22, 1996 | — |
| S-8 | Employee stock plan registration | Nov 17, 1995 | — |
| S-3 | Shelf registration | Mar 4, 1994 | — |
| 424B5 | Prospectus supplement | Jan 14, 1994 | — |
Showing 107 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.
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Company profile
- Industry
- Electric Services (SIC 4911)
- Listed as
- UELMO (OTC), UEPCN (OTC), UEPEO (OTC), UEPEP (OTC), UEPCP (OTC), UEPEN (OTC), UEPCO (OTC), UEPEM (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- MO
- Headquarters
- St Louis, MO
- SEC CIK
- 100826
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.