Ameren Illinois Co — 8-K Filings
133 8-K filings on record
This page lists all 8-K 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 133 8-K 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 |
|---|---|---|---|---|
| 8-K | FORM 8-K | 0001104659-25-119977 | Dec 10, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-093779 | Sep 26, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-046956 | May 12, 2025 | May 8, 2025 |
| 8-K | FORM 8-K | 0001104659-25-019676 | Mar 3, 2025 | — |
| 8-K | FORM 8-K | 0001104659-24-130545 | Dec 20, 2024 | Dec 19, 2024 |
| 8-K | FORM 8-K | 0001104659-24-075482 | Jun 27, 2024 | — |
| 8-K | FORM 8-K | 0001104659-24-073784 | Jun 21, 2024 | Jun 20, 2024 |
| 8-K | FORM 8-K | 0001104659-24-060607 | May 13, 2024 | May 9, 2024 |
| 8-K | FORM 8-K | 0001104659-23-126540 | Dec 18, 2023 | Dec 14, 2023 |
| 8-K | FORM 8-K | 0001104659-23-120035 | Nov 21, 2023 | Nov 16, 2023 |
| 8-K | FORM 8-K | 0001104659-23-066428 | May 31, 2023 | — |
| 8-K | FORM 8-K | 0001104659-23-059889 | May 12, 2023 | May 11, 2023 |
| 8-K | FORM 8-K | 0001104659-23-005601 | Jan 23, 2023 | Jan 20, 2023 |
| 8-K | FORM 8-K | 0001104659-23-002326 | Jan 9, 2023 | Jan 6, 2023 |
| 8-K | FORM 8-K | 0001104659-22-124929 | Dec 6, 2022 | — |
| 8-K | FORM 8-K | 0001104659-22-121129 | Nov 22, 2022 | — |
| 8-K | FORM 8-K | 0001104659-22-095574 | Aug 29, 2022 | — |
| 8-K | FORM 8-K | 0001104659-22-060492 | May 13, 2022 | May 12, 2022 |
| 8-K | 8-K | 0001193125-21-271647 | Sep 13, 2021 | — |
| 8-K | FORM 8-K | 0001104659-21-086615 | Jun 29, 2021 | — |
| 8-K | 8-K | 0001193125-21-155146 | May 10, 2021 | May 6, 2021 |
| 8-K | 8-K | 0001193125-20-300710 | Nov 23, 2020 | — |
| 8-K | 8-K | 0001193125-20-139066 | May 11, 2020 | May 7, 2020 |
| 8-K | 8-K | 0001193125-19-311670 | Dec 11, 2019 | Dec 9, 2019 |
| 8-K | 8-K | 0001193125-19-301176 | Nov 26, 2019 | — |
| 8-K | 8-K | 0001193125-19-138034 | May 6, 2019 | May 2, 2019 |
| 8-K | 8-K | 0001193125-18-342191 | Dec 4, 2018 | Dec 3, 2018 |
| 8-K | 8-K | 0001193125-18-328046 | Nov 15, 2018 | — |
| 8-K | FORM 8-K | 0001193125-18-170367 | May 22, 2018 | — |
| 8-K | FORM 8-K | 0001193125-17-353891 | Nov 28, 2017 | — |
| 8-K | 8-K | 0001193125-17-151905 | May 1, 2017 | Apr 27, 2017 |
| 8-K | 8-K | 0001193125-16-787928 | Dec 8, 2016 | Dec 7, 2016 |
| 8-K | FORM 8-K | 0001193125-16-786319 | Dec 6, 2016 | — |
| 8-K | 8-K | 0001193125-16-569447 | Apr 29, 2016 | Apr 28, 2016 |
| 8-K | 8-K | 0001193125-15-402229 | Dec 14, 2015 | — |
| 8-K | FORM 8-K | 0001193125-15-146622 | Apr 24, 2015 | Apr 23, 2015 |
| 8-K | 8-K | 0001193125-15-018376 | Jan 23, 2015 | — |
| 8-K | 8-K | 0001193125-14-446648 | Dec 18, 2014 | Dec 12, 2014 |
| 8-K | 8-K | 0001193125-14-440217 | Dec 11, 2014 | — |
| 8-K | 8-K | 0001193125-14-438639 | Dec 10, 2014 | — |
| 8-K | 8-K | 0001193125-14-255953 | Jun 30, 2014 | — |
| 8-K | 8-K | 0001193125-14-159290 | Apr 25, 2014 | Apr 24, 2014 |
| 8-K | 8-K | 0001193125-13-468530 | Dec 10, 2013 | — |
| 8-K | FORM 8-K | 0001193125-13-167613 | Apr 23, 2013 | Apr 22, 2013 |
| 8-K | FORM 8-K | 0001193125-13-023520 | Jan 25, 2013 | — |
| 8-K | FORM 8-K | 0001193125-12-471248 | Nov 15, 2012 | Nov 14, 2012 |
| 8-K | FORM 8-K | 0001193125-12-361837 | Aug 20, 2012 | — |
| 8-K | FORM 8-K | 0001193125-12-269265 | Jun 13, 2012 | — |
| 8-K | FORM 8-K | 0001193125-12-181611 | Apr 25, 2012 | Apr 24, 2012 |
| 8-K | FORM 8-K | 0001193125-12-011767 | Jan 13, 2012 | Jan 10, 2012 |