Union Electric Co SEC filings UELMO
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 |
|---|---|---|---|
| 8-K |
Current report
Other events
|
Sep 28, 2026 | Sep 28, 2026 |
| S-3ASR | Automatic shelf registration | Aug 4, 2026 | — |
| 10-Q | Quarterly report | Aug 3, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Other events
|
Jun 29, 2026 | Jun 29, 2026 |
| 8-K |
Current report
Other events
|
Jun 26, 2026 | Jun 26, 2026 |
| 424B2 | Prospectus | Jun 16, 2026 | — |
| FWP | Free writing prospectus | Jun 15, 2026 | — |
| 424B3 | Prospectus | Jun 15, 2026 | — |
| 8-K |
Current report
Shareholder vote results
|
May 18, 2026 | May 14, 2026 |
| 10-Q | Quarterly report | May 8, 2026 | Mar 31, 2026 |
| DEFA14C | Filing | Mar 31, 2026 | — |
| DEF 14C | Information statement | Mar 31, 2026 | May 14, 2026 |
| 8-K |
Current report
Other events
|
Feb 27, 2026 | Feb 27, 2026 |
| 424B2 | Prospectus | Feb 24, 2026 | — |
| FWP | Free writing prospectus | Feb 23, 2026 | — |
| 424B3 | Prospectus | Feb 23, 2026 | — |
| 10-K | Annual report | Feb 18, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 10, 2025 | Dec 10, 2025 |
| 8-K |
Current report
Other events
|
Nov 24, 2025 | Nov 24, 2025 |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| 10-Q | Quarterly report | Aug 4, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 12, 2025 | May 8, 2025 |
| 10-Q | Quarterly report | May 5, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Other events
|
Apr 4, 2025 | Apr 4, 2025 |
| 424B2 | Prospectus | Mar 27, 2025 | — |
| FWP | Free writing prospectus | Mar 26, 2025 | — |
| 424B3 | Prospectus | Mar 26, 2025 | — |
| DEFA14C | Filing | Mar 25, 2025 | — |
| DEF 14C | Information statement | Mar 25, 2025 | May 8, 2025 |
| 8-K |
Current report
Other events
|
Mar 3, 2025 | Feb 26, 2025 |
| 10-K | Annual report | Feb 18, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Other events
|
Dec 20, 2024 | Dec 20, 2024 |
| 424B1 | Filing | Dec 12, 2024 | — |
| 8-K |
Current report
Other events
|
Dec 12, 2024 | Dec 10, 2024 |
| FWP | Free writing prospectus | Dec 11, 2024 | — |
| EFFECT | Filing | Dec 6, 2024 | — |
| FWP | Free writing prospectus | Dec 4, 2024 | — |
| CORRESP | Letter to the SEC | Dec 4, 2024 | — |
| CORRESP | Letter to the SEC | Dec 4, 2024 | — |
| CORRESP | Letter to the SEC | Nov 15, 2024 | — |
| SF-1/A | Filing | Nov 15, 2024 | — |
| UPLOAD | Letter from the SEC | Nov 7, 2024 | — |
| 10-Q | Quarterly report | Nov 7, 2024 | Sep 30, 2024 |
| SF-1/A | Filing | Oct 28, 2024 | — |
| SF-1 | Filing | Oct 11, 2024 | — |
| 8-K |
Current report
Other events
|
Oct 7, 2024 | Oct 7, 2024 |
| 424B2 | Prospectus | Oct 1, 2024 | — |
| FWP | Free writing prospectus | Sep 30, 2024 | — |
| 424B3 | Prospectus | Sep 30, 2024 | — |
| 10-Q | Quarterly report | Aug 5, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Other events
|
Jul 1, 2024 | Jun 28, 2024 |
| 8-K |
Current report
Other events
|
Jun 21, 2024 | Jun 20, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 13, 2024 | May 9, 2024 |
| 10-Q | Quarterly report | May 6, 2024 | Mar 31, 2024 |
| UPLOAD | Letter from the SEC | Apr 18, 2024 | — |
| DEFA14C | Filing | Apr 5, 2024 | — |
| DEF 14C | Information statement | Apr 5, 2024 | May 9, 2024 |
| 8-K |
Current report
Other events
|
Apr 4, 2024 | Apr 4, 2024 |
| UPLOAD | Letter from the SEC | Mar 27, 2024 | — |
| 424B2 | Prospectus | Mar 26, 2024 | — |
| FWP | Free writing prospectus | Mar 25, 2024 | — |
| 424B3 | Prospectus | Mar 25, 2024 | — |
| 10-K | Annual report | Feb 29, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Other events
|
Jan 9, 2024 | Jan 9, 2024 |
| 424B2 | Prospectus | Jan 4, 2024 | — |
| FWP | Free writing prospectus | Jan 3, 2024 | — |
| 424B3 | Prospectus | Jan 3, 2024 | — |
| 10-Q | Quarterly report | Nov 9, 2023 | Sep 30, 2023 |
| S-3ASR | Automatic shelf registration | Oct 13, 2023 | — |
| 8-K |
Current report
Other events
|
Sep 26, 2023 | Sep 26, 2023 |
| 10-Q | Quarterly report | Aug 3, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Shareholder vote results
|
May 12, 2023 | May 11, 2023 |
| 10-Q | Quarterly report | May 5, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Other events
|
Apr 7, 2023 | Apr 7, 2023 |
| DEFA14C | Filing | Mar 28, 2023 | — |
| DEF 14C | Information statement | Mar 28, 2023 | — |
| 8-K |
Current report
Other events
|
Mar 13, 2023 | Mar 13, 2023 |
| 424B2 | Prospectus | Feb 28, 2023 | — |
| FWP | Free writing prospectus | Feb 27, 2023 | — |
| 424B3 | Prospectus | Feb 27, 2023 | — |
| 10-K | Annual report | Feb 22, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 6, 2022 | Dec 6, 2022 |
| 10-Q | Quarterly report | Nov 4, 2022 | Sep 30, 2022 |
| 10-Q | Quarterly report | Aug 8, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Other events
|
Jun 23, 2022 | Jun 22, 2022 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 13, 2022 | May 12, 2022 |
| 10-Q | Quarterly report | May 6, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Other events
|
Apr 1, 2022 | Apr 1, 2022 |
| DEFA14C | Filing | Mar 29, 2022 | — |
| DEF 14C | Information statement | Mar 29, 2022 | May 12, 2022 |
| 424B2 | Prospectus | Mar 22, 2022 | — |
| FWP | Free writing prospectus | Mar 21, 2022 | — |
| 424B3 | Prospectus | Mar 21, 2022 | — |
| 10-K | Annual report | Feb 23, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Other events
|
Dec 14, 2021 | Nov 30, 2021 |
| 8-K |
Current report
Other events
|
Nov 26, 2021 | Nov 24, 2021 |
| 10-Q | Quarterly report | Nov 4, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Other events
|
Aug 25, 2021 | Aug 20, 2021 |
| 10-Q | Quarterly report | Aug 6, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Other events
|
Jun 22, 2021 | Jun 22, 2021 |
| 424B2 | Prospectus | Jun 10, 2021 | — |
| FWP | Free writing prospectus | Jun 9, 2021 | — |
| 424B3 | Prospectus | Jun 9, 2021 | — |
| 10-Q | Quarterly report | May 10, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Shareholder vote results
|
May 10, 2021 | May 6, 2021 |
| 8-K |
Current report
Other events
|
Mar 31, 2021 | Mar 31, 2021 |
| DEFA14C | Filing | Mar 23, 2021 | — |
| DEF 14C | Information statement | Mar 23, 2021 | May 6, 2021 |
| 10-K | Annual report | Feb 22, 2021 | Dec 31, 2020 |
| 10-Q | Quarterly report | Nov 5, 2020 | Sep 30, 2020 |
| S-3ASR | Automatic shelf registration | Oct 14, 2020 | — |
| 8-K |
Current report
Other events
|
Oct 9, 2020 | Oct 9, 2020 |
| 424B2 | Prospectus | Oct 2, 2020 | — |
| FWP | Free writing prospectus | Oct 1, 2020 | — |
| 424B3 | Prospectus | Oct 1, 2020 | — |
| 8-K |
Current report
Other events
|
Sep 28, 2020 | Sep 28, 2020 |
| 10-Q | Quarterly report | Aug 7, 2020 | Jun 30, 2020 |
| 10-Q | Quarterly report | May 11, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Shareholder vote results
|
May 11, 2020 | May 7, 2020 |
| DEFA14C | Definitive additional information statement materials including rule 14(a)(12) | Mar 26, 2020 | — |
| DEF 14C | Information statement | Mar 26, 2020 | May 7, 2020 |
| 8-K |
Current report
Other events
|
Mar 20, 2020 | Mar 20, 2020 |
| 424B2 | Prospectus | Mar 18, 2020 | — |
| FWP | Free writing prospectus | Mar 17, 2020 | — |
| 424B3 | Prospectus | Mar 17, 2020 | — |
| 10-K | Annual report | Feb 28, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 11, 2019 | Dec 9, 2019 |
| 10-Q | Quarterly report | Nov 8, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Other events
|
Oct 1, 2019 | Oct 1, 2019 |
| 424B2 | Prospectus | Sep 24, 2019 | — |
| FWP | Free writing prospectus | Sep 23, 2019 | — |
| 424B3 | Prospectus | Sep 23, 2019 | — |
| 10-Q | Quarterly report | Aug 2, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Other events
|
Jul 5, 2019 | Jul 3, 2019 |
| 10-Q | Quarterly report | May 10, 2019 | Mar 31, 2019 |
| 8-K |
Current report
Shareholder vote results
|
May 6, 2019 | May 2, 2019 |
| DEFA14C | Definitive additional information statement materials including rule 14(a)(12) | Mar 19, 2019 | — |
| DEF 14C | Information statement | Mar 19, 2019 | May 2, 2019 |
| 8-K |
Current report
Other events
|
Mar 6, 2019 | Mar 6, 2019 |
| 424B2 | Prospectus | Mar 5, 2019 | — |
| FWP | Free writing prospectus | Mar 4, 2019 | — |
| 424B3 | Prospectus | Mar 4, 2019 | — |
| 10-K | Annual report | Feb 26, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 4, 2018 | Dec 3, 2018 |
| 10-Q | Quarterly report | Nov 2, 2018 | Sep 30, 2018 |
| 10-Q | Quarterly report | Aug 8, 2018 | Jun 30, 2018 |
| 8-K |
Current report
Other events
|
Jun 1, 2018 | Jun 1, 2018 |
| 8-K |
Current report
Other events
|
May 17, 2018 | May 16, 2018 |
| 10-Q | Quarterly report | May 9, 2018 | Mar 31, 2018 |
| 8-K |
Current report
Other events
|
Apr 6, 2018 | Apr 6, 2018 |
| 424B2 | Prospectus | Apr 4, 2018 | — |
| FWP | Free writing prospectus | Apr 3, 2018 | — |
| 424B3 | Prospectus | Apr 3, 2018 | — |
| DEFA14C | Filing | Mar 19, 2018 | — |
| DEF 14C | Information statement | Mar 19, 2018 | May 3, 2018 |
| 10-K | Annual report | Feb 28, 2018 | Dec 31, 2017 |
| S-3ASR | Automatic shelf registration | Dec 15, 2017 | — |
| 10-Q | Quarterly report | Nov 3, 2017 | Sep 30, 2017 |
| 10-Q | Quarterly report | Aug 4, 2017 | Jun 30, 2017 |
| 8-K |
Current report
Other events
|
Jun 15, 2017 | Jun 15, 2017 |
| 424B2 | Prospectus | Jun 8, 2017 | — |
| FWP | Free writing prospectus | Jun 6, 2017 | — |
| 424B3 | Prospectus | Jun 6, 2017 | — |
| 10-Q | Quarterly report | May 5, 2017 | Mar 31, 2017 |
| 8-K |
Current report
Shareholder vote results
|
May 1, 2017 | Apr 27, 2017 |
| DEFA14C | Filing | Mar 15, 2017 | — |
| DEF 14C | Information statement | Mar 15, 2017 | Apr 27, 2017 |
| 10-K | Annual report | Feb 28, 2017 | Dec 31, 2016 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 8, 2016 | Dec 7, 2016 |
| 10-Q | Quarterly report | Nov 4, 2016 | Sep 30, 2016 |
| 10-Q | Quarterly report | Aug 5, 2016 | Jun 30, 2016 |
| 8-K |
Current report
Other events
|
Jul 1, 2016 | Jul 1, 2016 |
| 8-K |
Current report
Other events
|
Jun 23, 2016 | Jun 23, 2016 |
| 424B2 | Prospectus | Jun 21, 2016 | — |
| UPLOAD | Letter from the SEC | Jun 20, 2016 | — |
| FWP | Free writing prospectus | Jun 20, 2016 | — |
| 424B3 | Prospectus | Jun 20, 2016 | — |
| UPLOAD | Letter from the SEC | Jun 8, 2016 | — |
| 10-Q | Quarterly report | May 10, 2016 | Mar 31, 2016 |
| 8-K |
Current report
Shareholder vote results
|
Apr 29, 2016 | Apr 28, 2016 |
| DEFA14C | Filing | Mar 18, 2016 | — |
| DEF 14C | Information statement | Mar 18, 2016 | Apr 28, 2016 |
| 10-K | Annual report | Feb 26, 2016 | Dec 31, 2015 |
| 8-K |
Current report
Other events
|
Jan 19, 2016 | Jan 8, 2016 |
| 10-Q | Quarterly report | Nov 6, 2015 | Sep 30, 2015 |
| 10-Q | Quarterly report | Aug 6, 2015 | Jun 30, 2015 |
| S-3ASR | Automatic shelf registration | Jun 22, 2015 | — |
| 10-Q | Quarterly report | May 11, 2015 | Mar 31, 2015 |
| 8-K |
Current report
Shareholder vote results
|
Apr 24, 2015 | Apr 23, 2015 |
| 8-K |
Current report
Other events
|
Apr 6, 2015 | Apr 6, 2015 |
| 424B2 | Prospectus | Apr 1, 2015 | — |
| FWP | Free writing prospectus | Mar 31, 2015 | — |
| 424B3 | Prospectus | Mar 31, 2015 | — |
| DEF 14C | Information statement | Mar 12, 2015 | Apr 23, 2015 |
| 10-K | Annual report | Mar 2, 2015 | Dec 31, 2014 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 20, 2015 | Feb 19, 2015 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Dec 18, 2014 | Dec 12, 2014 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 11, 2014 | Dec 11, 2014 |
| 10-Q | Quarterly report | Nov 10, 2014 | Sep 30, 2014 |
| 10-Q | Quarterly report | Aug 11, 2014 | Jun 30, 2014 |
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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.