AMEREN CORP — 4/A Filings
12 4/A filings on record
This page lists all 4/A filings submitted to the SEC by AMEREN CORP (AEE), sorted by most recent first. Each row links to the full filing on EdgarLookup. AMEREN CORP has filed 12 4/A documents with the SEC since 2015. To view all SEC filings by AMEREN CORP, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
11-K
11-K/A
144
144/A
15-15D
25
25-NSE
3
3/A
35-CERT
35-CERT/A
4
4/A
424B2
424B3
424B5
5
5/A
8-A12B
8-A12B/A
8-K
8-K/A
ARS
CERTNYS
CORRESP
DEF 14A
DEFA14A
EFFECT
FWP
NO ACT
POS AM
POS AMC
POS EX
POSASR
PRE 14A
PX14A6G
RW
S-3
S-3/A
S-3ASR
S-3D
S-4
S-8
S-8 POS
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
SE
U-1
U-1/A
U-12-IB
U-13-60
U-6B-2
U-9C-3
U5A
U5B
U5S
U5S/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4/A | FORM 4/A | 0001656999-26-000003 | Jan 7, 2026 | Nov 17, 2025 |
| 4/A | PRIMARY DOCUMENT | 0001002910-19-000134 | Mar 8, 2019 | Jan 2, 2019 |
| 4/A | PRIMARY DOCUMENT | 0001002910-08-000028 | Feb 8, 2008 | Jan 11, 2008 |
| 4/A | PRIMARY DOCUMENT | 0001002910-06-000122 | May 25, 2006 | Mar 1, 2006 |
| 4/A | PRIMARY DOCUMENT | 0001002910-05-000199 | May 17, 2005 | May 12, 2005 |
| 4/A | PRIMARY DOCUMENT | 0001002910-04-000182 | May 12, 2004 | May 6, 2004 |
| 4/A | PRIMARY DOCUMENT | 0001002910-04-000043 | Feb 11, 2004 | May 20, 2002 |
| 4/A | PRIMARY DOCUMENT | 0001002910-04-000033 | Jan 13, 2004 | Feb 14, 2003 |
| 4/A | PRIMARY DOCUMENT | 0001002910-04-000031 | Jan 8, 2004 | Jan 2, 2004 |
| 4/A | PRIMARY DOCUMENT | 0001002910-04-000003 | Jan 6, 2004 | Nov 6, 2003 |
| 4/A | 4/A | 0001002910-03-000219 | Mar 17, 2003 | — |
| 4/A | 4/A | 0001002910-03-000026 | Jan 13, 2003 | — |