Ameren Illinois Co — All Filings
463 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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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 |
|---|---|---|---|---|
| 424B2 | 424B2 | 0001104659-22-116419 | Nov 9, 2022 | — |
| 424B3 | 424B3 | 0001104659-22-115716 | Nov 8, 2022 | — |
| FWP | FWP | 0001104659-22-115958 | Nov 8, 2022 | — |
| 10-Q | 10-Q | 0001002910-22-000087 | Nov 4, 2022 | Sep 30, 2022 |
| 8-K | FORM 8-K | 0001104659-22-095574 | Aug 29, 2022 | — |
| 424B2 | 424B2 | 0001104659-22-091715 | Aug 16, 2022 | — |
| 424B3 | 424B3 | 0001104659-22-090705 | Aug 15, 2022 | — |
| FWP | FWP | 0001104659-22-091276 | Aug 15, 2022 | — |
| 3 | FORM 3 | 0000018654-22-000002 | Aug 12, 2022 | Jul 1, 2022 |
| 10-Q | 10-Q | 0001002910-22-000072 | Aug 8, 2022 | Jun 30, 2022 |
| 8-K | FORM 8-K | 0001104659-22-060492 | May 13, 2022 | May 12, 2022 |
| 10-Q | 10-Q | 0001002910-22-000061 | May 6, 2022 | Mar 31, 2022 |
| DEFA14C | DEFA14C | 0001104659-22-039478 | Mar 29, 2022 | — |
| DEF 14C | DEF 14C | 0001104659-22-039472 | Mar 29, 2022 | May 12, 2022 |
| 10-K | 10-K | 0001002910-22-000038 | Feb 23, 2022 | Dec 31, 2021 |
| 10-Q | 10-Q | 0001002910-21-000113 | Nov 4, 2021 | Sep 30, 2021 |
| 8-K | 8-K | 0001193125-21-271647 | Sep 13, 2021 | — |
| 10-Q | 10-Q | 0001002910-21-000103 | Aug 6, 2021 | Jun 30, 2021 |
| 8-K | FORM 8-K | 0001104659-21-086615 | Jun 29, 2021 | — |
| 424B2 | 424B2 | 0001104659-21-084623 | Jun 23, 2021 | — |
| 424B2 | 424B2 | 0001104659-21-084628 | Jun 23, 2021 | — |
| FWP | FWP | 0001104659-21-084158 | Jun 22, 2021 | — |
| FWP | FWP | 0001104659-21-084160 | Jun 22, 2021 | — |
| 424B3 | 424B3 | 0001104659-21-083807 | Jun 22, 2021 | — |
| 424B3 | 424B3 | 0001104659-21-083809 | Jun 22, 2021 | — |
| 10-Q | 10-Q | 0001002910-21-000094 | May 10, 2021 | Mar 31, 2021 |
| 8-K | 8-K | 0001193125-21-155146 | May 10, 2021 | May 6, 2021 |
| DEF 14C | DEF 14C | 0001104659-21-039954 | Mar 23, 2021 | May 6, 2021 |
| DEFA14C | DEFA14C | 0001104659-21-039970 | Mar 23, 2021 | — |
| 10-K | 10-K | 0001002910-21-000065 | Feb 22, 2021 | Dec 31, 2020 |
| 8-K | 8-K | 0001193125-20-300710 | Nov 23, 2020 | — |
| 424B2 | 424B2 | 0001104659-20-123496 | Nov 10, 2020 | — |
| FWP | FWP | 0001104659-20-123093 | Nov 9, 2020 | — |
| 424B3 | 424B3 | 0001104659-20-122797 | Nov 9, 2020 | — |
| 10-Q | 10-Q | 0001002910-20-000138 | Nov 5, 2020 | Sep 30, 2020 |
| S-3ASR | S-3ASR | 0001104659-20-114908 | Oct 14, 2020 | — |
| 10-Q | 10-Q | 0001002910-20-000128 | Aug 7, 2020 | Jun 30, 2020 |
| 10-Q | 10-Q | 0001002910-20-000115 | May 11, 2020 | Mar 31, 2020 |
| 8-K | 8-K | 0001193125-20-139066 | May 11, 2020 | May 7, 2020 |
| DEF 14C | DEFINITIVE INFORMATION STATEMENTS | 0001206774-20-000932 | Mar 26, 2020 | May 7, 2020 |
| DEFA14C | DEFINITIVE ADDITIONAL INFORMATION STATEMENT MATERIALS INCLUDING RULE 14(A)(12) | 0001206774-20-000935 | Mar 26, 2020 | — |
| 10-K | 10-K | 0001002910-20-000077 | Feb 28, 2020 | Dec 31, 2019 |
| 8-K | 8-K | 0001193125-19-311670 | Dec 11, 2019 | Dec 9, 2019 |
| 8-K | 8-K | 0001193125-19-301176 | Nov 26, 2019 | — |
| 424B2 | 424B2 | 0001047469-19-006390 | Nov 19, 2019 | — |
| 424B3 | 424B3 | 0001047469-19-006352 | Nov 18, 2019 | — |
| FWP | FWP | 0001104659-19-065102 | Nov 18, 2019 | — |
| 10-Q | 10-Q | 0001002910-19-000148 | Nov 8, 2019 | Sep 30, 2019 |
| 10-Q | 10-Q | 0001002910-19-000144 | Aug 2, 2019 | Jun 30, 2019 |
| 10-Q | 10-Q | 0001002910-19-000139 | May 10, 2019 | Mar 31, 2019 |