Ameren Illinois Co — 424B3 Filings
24 424B3 filings on record
This page lists all 424B3 filings submitted to the SEC by Ameren Illinois Co (AILIP), sorted by most recent first. Each row links to the full filing on EdgarLookup. Ameren Illinois Co has filed 24 424B3 documents with the SEC since 1994. To view all SEC filings by Ameren Illinois Co, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
11-K
3
424B2
424B3
424B5
425
5
8-A12G
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEF 14C
DEFA14C
EFFECT
FWP
PRE 14A
RW
S-3
S-3/A
S-3ASR
S-3DPOS
S-4
S-4/A
SC 13G
SC 13G/A
U-3A-2
U-6B-2
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 424B3 | 424B3 | 0001104659-25-089789 | Sep 15, 2025 | — |
| 424B3 | 424B3 | 0001104659-25-016379 | Feb 24, 2025 | — |
| 424B3 | 424B3 | 0001104659-24-072075 | Jun 17, 2024 | — |
| 424B3 | 424B3 | 0001104659-23-063446 | May 23, 2023 | — |
| 424B3 | 424B3 | 0001104659-22-115716 | Nov 8, 2022 | — |
| 424B3 | 424B3 | 0001104659-22-090705 | Aug 15, 2022 | — |
| 424B3 | 424B3 | 0001104659-21-083809 | Jun 22, 2021 | — |
| 424B3 | 424B3 | 0001104659-21-083807 | Jun 22, 2021 | — |
| 424B3 | 424B3 | 0001104659-20-122797 | Nov 9, 2020 | — |
| 424B3 | 424B3 | 0001047469-19-006352 | Nov 18, 2019 | — |
| 424B3 | 424B3 | 0001047469-18-007040 | Nov 5, 2018 | — |
| 424B3 | 424B3 | 0001047469-18-003742 | May 14, 2018 | — |
| 424B3 | 424B3 | 0001047469-17-007109 | Nov 16, 2017 | — |
| 424B3 | 424B3 | 0001047469-16-016976 | Nov 29, 2016 | — |
| 424B3 | 424B3 | 0001047469-15-009071 | Dec 7, 2015 | — |
| 424B3 | 424B3 | 0001193125-14-431768 | Dec 3, 2014 | — |
| 424B3 | 424B3 | 0001193125-14-244582 | Jun 23, 2014 | — |
| 424B3 | 424B3 | 0001193125-13-462949 | Dec 5, 2013 | — |
| 424B3 | PROSPECTUS SUPPLEMENT | 0001193125-12-351629 | Aug 13, 2012 | — |
| 424B3 | 424B3 | 0001047469-10-006309 | Jul 8, 2010 | — |
| 424B3 | 424B3 | 0001047469-06-008124 | Jun 7, 2006 | — |
| 424B3 | 424(B)(3) | 0001047469-98-044135 | Dec 16, 1998 | — |
| 424B3 | PRICING SUPPLEMENT NO. 1 | 0000950124-95-001677 | Jun 6, 1995 | — |
| 424B3 | FIRST MORTGAGE BONDS - MEDIUM TERM NOTES | 0000950124-95-001626 | Jun 1, 1995 | — |