# UNION ELECTRIC CO — DEF 14C

UNION ELECTRIC CO of ST LOUIS, MO filed a DEF 14C with the SEC on 2026-03-31. Industry: Electric Services.

## Filing

- Filed: 2026-03-31
- Form: DEF 14C
- Accession: 0001104659-26-037796
- Registrant: UNION ELECTRIC CO
- CIK: 0000100826
- Industry (SIC): Electric Services (4911)
- State of incorporation: MO
- Location: ST LOUIS, MO

## Documents (17)

_Showing 15 of 17 documents._

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEF 14C | FORM DEF 14C |
| 2 | EX-101.SCH | XBRL TAXONOMY EXTENSION SCHEMA |
| 3 | EX-101.DEF | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE |
| 4 | EX-101.LAB | XBRL TAXONOMY EXTENSION LABEL LINKBASE |
| 5 | EX-101.PRE | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE |
| 6 | GRAPHIC | GRAPHIC |
| 7 | GRAPHIC | GRAPHIC |
| 8 | GRAPHIC | GRAPHIC |
| 9 | GRAPHIC | GRAPHIC |
| 10 | GRAPHIC | GRAPHIC |
| 11 | GRAPHIC | GRAPHIC |
| 12 | GRAPHIC | GRAPHIC |
| 13 | GRAPHIC | GRAPHIC |
| 14 | GRAPHIC | GRAPHIC |
| 15 | GRAPHIC | GRAPHIC |

## Filing timeline for this registrant (34)

_Showing 12 of 34 filings._

| Filed | Form |
| --- | --- |
| 2026-03-31 | DEF 14C |
| [2025-03-25](https://search.stillhousedata.com/proxy/0001104659-25-027831) | DEF 14C |
| [2024-04-05](https://search.stillhousedata.com/proxy/0001104659-24-044314) | DEF 14C |
| [2023-03-28](https://search.stillhousedata.com/proxy/0001104659-23-037758) | DEF 14C |
| [2022-03-29](https://search.stillhousedata.com/proxy/0001104659-22-039489) | DEF 14C |
| [2021-03-23](https://search.stillhousedata.com/proxy/0001104659-21-039959) | DEF 14C |
| [2020-03-26](https://search.stillhousedata.com/proxy/0001206774-20-000933) | DEF 14C |
| [2019-03-19](https://search.stillhousedata.com/proxy/0001206774-19-000916) | DEF 14C |
| [2018-03-19](https://search.stillhousedata.com/proxy/0001193125-18-087825) | DEF 14C |
| [2017-03-15](https://search.stillhousedata.com/proxy/0001193125-17-083815) | DEF 14C |
| [2016-03-18](https://search.stillhousedata.com/proxy/0001193125-16-510384) | DEF 14C |
| [2015-03-12](https://search.stillhousedata.com/proxy/0001193125-15-089302) | DEF 14C |

## More

- [CIK 100826 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=100826&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0001104659-26-037796.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.