UNION ELECTRIC CO — 424B3 Filings
22 424B3 filings on record
This page lists all 424B3 filings submitted to the SEC by UNION ELECTRIC CO (UEPCO), sorted by most recent first. Each row links to the full filing on EdgarLookup. UNION ELECTRIC CO has filed 22 424B3 documents with the SEC since 1994. To view all SEC filings by UNION ELECTRIC CO, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
11-K
25
3
35-CERT
4
424B1
424B2
424B3
424B4
424B5
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEF 14C
DEFA14A
DEFA14C
EFFECT
FWP
RW
S-3
S-3/A
S-3ASR
S-8
SC 13D
SC 13G
SC 13G/A
SF-1
SF-1/A
U-1
U-1/A
U-6B-2
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 424B3 | 424B3 | 0001104659-26-018383 | Feb 23, 2026 | — |
| 424B3 | 424B3 | 0001104659-25-028054 | Mar 26, 2025 | — |
| 424B3 | 424B3 | 0001104659-24-104009 | Sep 30, 2024 | — |
| 424B3 | 424B3 | 0001104659-24-038197 | Mar 25, 2024 | — |
| 424B3 | 424B3 | 0001104659-24-000588 | Jan 3, 2024 | — |
| 424B3 | 424B3 | 0001104659-23-025691 | Feb 27, 2023 | — |
| 424B3 | 424B3 | 0001104659-22-035922 | Mar 21, 2022 | — |
| 424B3 | 424B3 | 0001104659-21-078556 | Jun 9, 2021 | — |
| 424B3 | 424B3 | 0001104659-20-110739 | Oct 1, 2020 | — |
| 424B3 | 424B3 | 0001047469-20-001547 | Mar 17, 2020 | — |
| 424B3 | 424B3 | 0001047469-19-005379 | Sep 23, 2019 | — |
| 424B3 | 424B3 | 0001047469-19-000867 | Mar 4, 2019 | — |
| 424B3 | 424B3 | 0001047469-18-002466 | Apr 3, 2018 | — |
| 424B3 | 424B3 | 0001047469-17-003832 | Jun 6, 2017 | — |
| 424B3 | 424B3 | 0001047469-16-013893 | Jun 20, 2016 | — |
| 424B3 | 424B3 | 0001193125-15-113251 | Mar 31, 2015 | — |
| 424B3 | 424B3 | 0001193125-14-125169 | Apr 1, 2014 | — |
| 424B3 | PROSPECTUS SUPPLEMENT | 0001193125-12-382748 | Sep 6, 2012 | — |
| 424B3 | 424B3 | 0001047469-09-002639 | Mar 13, 2009 | — |
| 424B3 | 424B3 | 0001047469-08-007404 | Jun 12, 2008 | — |
| 424B3 | 424B3 | 0001047469-05-027721 | Dec 5, 2005 | — |
| 424B3 | 424B3 | 0000912057-02-032730 | Aug 19, 2002 | — |