Company · CIK 1002910 # AMEREN CORP | CIK | [1002910](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001002910) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 4931 — Electric & Other Services Combined | | Incorporated in | MO | | Business address | MO | | Listed | AEE (NYSE) | | First annual or quarterly report | 1998-03-30 | ## Offerings 16 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-297949 | Shelf Effective | 2026-08-04 | 2026-08-04 | 2 | | 333-295940 | Shelf Effective | 2026-05-15 | 2026-05-15 | 1 | | 333-274977 | Shelf Effective | 2023-10-13 | 2025-08-07 | 3 | | 333-272053 | Shelf Effective | 2023-05-18 | 2023-05-18 | 1 | | 333-249475 | Shelf Effective | 2020-10-14 | 2022-11-10 | 3 | | 333-238568 | Shelf Effective | 2020-05-21 | 2020-05-21 | 1 | | 333-222108 | Shelf Effective | 2017-12-15 | 2017-12-15 | 1 | | 333-218296 | Shelf Effective | 2017-05-26 | 2017-05-26 | 1 | | 333-205139 | Shelf Effective | 2015-06-22 | 2015-06-22 | 1 | | 333-196298 | Shelf Effective | 2014-05-28 | 2014-05-28 | 1 | | 333-182258 | Shelf Effective | 2012-06-21 | 2012-06-21 | 1 | | 333-175151 | Shelf Effective | 2011-06-27 | 2011-06-27 | 1 | | 333-112823 | Shelf Effective | 2004-02-13 | 2009-01-22 | 2 | | 333-155416 | Shelf Effective | 2008-11-17 | 2008-11-17 | 1 | | 333-152046 | Shelf Effective | 2008-07-01 | 2008-07-01 | 1 | | 333-114274 | Shelf Effective | 2004-04-07 | 2004-07-02 | 2 | ## Filings 28 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-08-04 | [424B5](https://www.sec.gov/Archives/edgar/data/1002910/000110465926090479/0001104659-26-090479-index.htm) Shelf takedown | 333-297949 | 0001104659-26-090479 | | 2026-08-04 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1002910/000110465926090283/0001104659-26-090283-index.htm) Shelf registered | 333-297949 | 0001104659-26-090283 | | 2026-05-15 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1002910/000110465926062417/0001104659-26-062417-index.htm) Shelf registered | 333-295940 | 0001104659-26-062417 | | 2025-08-07 | [424B5](https://www.sec.gov/Archives/edgar/data/1002910/000110465925075219/0001104659-25-075219-index.htm) Shelf takedown | 333-274977 | 0001104659-25-075219 | | 2023-11-13 | [424B5](https://www.sec.gov/Archives/edgar/data/1002910/000110465923117310/0001104659-23-117310-index.htm) Shelf takedown | 333-274977 | 0001104659-23-117310 | | 2023-10-13 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1002910/000110465923109165/0001104659-23-109165-index.htm) Shelf registered | 333-274977 | 0001104659-23-109165 | | 2023-05-18 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1002910/000110465923062317/0001104659-23-062317-index.htm) Shelf registered | 333-272053 | 0001104659-23-062317 | | 2022-11-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1002910/000110465922117233/0001104659-22-117233-index.htm) Shelf takedown | 333-249475 | 0001104659-22-117233 | | 2021-05-12 | [424B5](https://www.sec.gov/Archives/edgar/data/1002910/000110465921065147/0001104659-21-065147-index.htm) Shelf takedown | 333-249475 | 0001104659-21-065147 | | 2020-10-14 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1002910/000110465920114908/0001104659-20-114908-index.htm) Shelf registered | 333-249475 | 0001104659-20-114908 | | 2020-05-21 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1002910/000104746920003166/0001047469-20-003166-index.htm) Shelf registered | 333-238568 | 0001047469-20-003166 | | 2017-12-15 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1002910/000104746917007702/0001047469-17-007702-index.htm) Shelf registered | 333-222108 | 0001047469-17-007702 | | 2017-05-26 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1002910/000104746917003687/0001047469-17-003687-index.htm) Shelf registered | 333-218296 | 0001047469-17-003687 | | 2015-06-22 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1002910/000104746915005639/0001047469-15-005639-index.htm) Shelf registered | 333-205139 | 0001047469-15-005639 | | 2014-05-28 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1002910/000104746914005195/0001047469-14-005195-index.htm) Shelf registered | 333-196298 | 0001047469-14-005195 | | 2012-06-21 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1002910/000119312512278674/0001193125-12-278674-index.htm) Shelf registered | 333-182258 | 0001193125-12-278674 | | 2011-06-27 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1002910/000104746911006053/0001047469-11-006053-index.htm) Shelf registered | 333-175151 | 0001047469-11-006053 | | 2009-01-22 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1002910/999999999509000152/9999999995-09-000152-index.htm) Declared effective | 333-112823 | 9999999995-09-000152 | | 2008-11-17 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1002910/000110465908071345/0001104659-08-071345-index.htm) Shelf registered | 333-155416 | 0001104659-08-071345 | | 2008-07-01 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1002910/000104746908007910/0001047469-08-007910-index.htm) Shelf registered | 333-152046 | 0001047469-08-007910 | | 2005-02-11 | [424B5](https://www.sec.gov/Archives/edgar/data/1002910/000104746905003317/0001047469-05-003317-index.htm) Shelf takedown | 333-81774 | 0001047469-05-003317 | | 2005-02-09 | [424B5](https://www.sec.gov/Archives/edgar/data/1002910/000104746905002926/0001047469-05-002926-index.htm) Shelf takedown | 333-81774 | 0001047469-05-002926 | | 2004-07-02 | [424B5](https://www.sec.gov/Archives/edgar/data/1002910/000104746904022495/0001047469-04-022495-index.htm) Shelf takedown | 333-114274 | 0001047469-04-022495 | | 2004-05-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1002910/000104746904017394/0001047469-04-017394-index.htm) Shelf takedown | 333-81774 | 0001047469-04-017394 | | 2004-04-07 | [S-3](https://www.sec.gov/Archives/edgar/data/1002910/000104746904011218/0001047469-04-011218-index.htm) Shelf registered | 333-114274 | 0001047469-04-011218 | | 2004-02-13 | [S-3](https://www.sec.gov/Archives/edgar/data/1002910/000095012004000119/0000950120-04-000119-index.htm) Shelf registered | 333-112823 | 0000950120-04-000119 | | 2004-02-05 | [424B5](https://www.sec.gov/Archives/edgar/data/1002910/000104746904003326/0001047469-04-003326-index.htm) Shelf takedown | 333-89970 | 0001047469-04-003326 | | 2003-01-16 | [424B5](https://www.sec.gov/Archives/edgar/data/1002910/000104746903001556/0001047469-03-001556-index.htm) Shelf takedown | 333-89970 | 0001047469-03-001556 | [All filings of this company](https://equitycapital.markets/filings?cik=1002910) · [CSV](https://equitycapital.markets/filings.csv?cik=1002910) --- Source page: https://equitycapital.markets/company/1002910 · Data: U.S. SEC EDGAR · CC BY 4.0