08/07/2025
3:43 PM | Ameren (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/04/2025
1:48 PM | Ameren (Filer)
Ameren Illinois Co (Filer)
UNION ELECTRIC CO (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
08/01/2025
10:26 AM | Ameren (Subject)
MOEHN MICHAEL L (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
07/31/2025
3:33 PM | Ameren (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/25/2025
3:33 PM | Ameren (Filer)
| Form 11-K
Annual reports of employee stock purchase, savings and similar plans pursuant to Section 15(d) | |
05/21/2025
3:23 PM | Ameren (Issuer)
MOEHN MICHAEL L (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/20/2025
8:54 AM | Ameren (Subject)
MOEHN MICHAEL L (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
05/14/2025
4:07 PM | Ameren (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/14/2025
3:39 PM | Ameren (Issuer)
Mizell Gwendolyn G (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/14/2025
9:47 AM | Ameren (Subject)
T. Rowe Price Investment Management, Inc. (Filed by)
| Form SCHEDULE 13G/A | |
05/13/2025
4:04 PM | Ameren (Filer)
| Form 424B2
Transaction specifc information for a delayed shelf offering | |
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05/12/2025
5:15 AM | Ameren (Filer)
Ameren Illinois Co (Filer)
UNION ELECTRIC CO (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/08/2025
5:44 PM | Ameren (Issuer)
Lindgren Mark C (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/05/2025
2:40 PM | Ameren (Filer)
Ameren Illinois Co (Filer)
UNION ELECTRIC CO (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
04/30/2025
2:02 PM | Ameren (Subject)
New York City Comptroller's Office on behalf of the New York City Pension Funds (Filed by)
| Form PX14A6G | |
04/28/2025
4:25 PM | Ameren (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
04/28/2025
4:26 PM | Ameren (Filer)
| Form DEFA14A | |
04/04/2025
12:21 PM | Ameren (Filer)
UNION ELECTRIC CO (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
03/25/2025
4:12 PM | Ameren (Filer)
| Form DEF 14A | |
03/25/2025
4:14 PM | Ameren (Filer)
| Form DEFA14A | |
03/25/2025
4:15 PM | Ameren (Filer)
| Form ARS | |
03/14/2025
3:17 PM | Ameren (Issuer)
BRUNE CATHERINE S (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/07/2025
3:25 PM | Ameren (Issuer)
LYONS MARTIN J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/07/2025
12:10 PM | Ameren (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
03/04/2025
7:11 PM | Ameren (Issuer)
BIRK MARK C (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/04/2025
7:11 PM | Ameren (Issuer)
Mizell Gwendolyn G (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/04/2025
7:11 PM | Ameren (Issuer)
Singh Leonard P (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/04/2025
7:11 PM | Ameren (Issuer)
Lee Stephen C (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/04/2025
7:11 PM | Ameren (Issuer)
MOEHN MICHAEL L (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/04/2025
7:12 PM | Ameren (Issuer)
Shaw Theresa A (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/04/2025
7:12 PM | Ameren (Issuer)
Diya Fadi M (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/04/2025
7:12 PM | Ameren (Issuer)
LYONS MARTIN J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/04/2025
7:12 PM | Ameren (Issuer)
Lindgren Mark C (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/04/2025
7:12 PM | Ameren (Issuer)
Nwamu Chonda J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/04/2025
7:13 PM | Ameren (Issuer)
Schukar Shawn E (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/04/2025
10:27 AM | Ameren (Subject)
LYONS MARTIN J (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
03/03/2025
11:53 AM | Ameren (Filer)
Ameren Illinois Co (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
03/03/2025
5:06 AM | Ameren (Filer)
UNION ELECTRIC CO (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
02/27/2025
3:52 PM | Ameren (Issuer)
Shaw Theresa A (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/27/2025
7:57 AM | Ameren (Filer)
| Form 424B3 | |
02/24/2025
3:20 PM | Ameren (Issuer)
MOEHN MICHAEL L (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
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02/21/2025
3:36 PM | Ameren (Issuer)
Flores Rafael (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/21/2025
3:36 PM | Ameren (Issuer)
Ivey Craig S (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/21/2025
3:40 PM | Ameren (Issuer)
Lee Stephen C (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
02/20/2025
9:52 AM | Ameren (Subject)
MOEHN MICHAEL L (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
02/19/2025
11:08 AM | Ameren (Subject)
Flores Rafael (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
02/13/2025
3:37 PM | Ameren (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
01/07/2025
3:34 PM | Ameren (Issuer)
BRUNE CATHERINE S (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/07/2025
3:34 PM | Ameren (Issuer)
HARRIS KIMBERLY J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/07/2025
3:34 PM | Ameren (Issuer)
Ivey Craig S (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/07/2025
3:34 PM | Ameren (Issuer)
Dickson Ward H. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/07/2025
3:34 PM | Ameren (Issuer)
FITZSIMMONS ELLEN M (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/07/2025
3:35 PM | Ameren (Issuer)
Lipstein Steven H (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/07/2025
3:35 PM | Ameren (Issuer)
HARSHMAN RICHARD J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/07/2025
3:35 PM | Ameren (Issuer)
Mackay Leo S. Jr. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/07/2025
3:35 PM | Ameren (Issuer)
Johnson James C (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/07/2025
3:35 PM | Ameren (Issuer)
BRINKLEY CYNTHIA J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/07/2025
3:36 PM | Ameren (Issuer)
Flores Rafael (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/07/2025
3:36 PM | Ameren (Issuer)
Eder Noelle K (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/07/2025
3:38 PM | Ameren (Issuer)
Vondran Steven O (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/07/2025
3:30 PM | Ameren (Issuer)
Vondran Steven O (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
12/20/2024
8:50 AM | Ameren (Filer)
Ameren Illinois Co (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
12/16/2024
4:01 PM | Ameren (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
11/20/2024
9:18 AM | Ameren (Subject)
MOEHN MICHAEL L (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
11/15/2024
3:20 PM | Ameren (Issuer)
Lipstein Steven H (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
10/17/2024
10:19 AM | Ameren (Subject)
STATE STREET CORP (Filed by)
| Form SC 13G/A | |
10/07/2024
12:03 PM | Ameren (Subject)
PRICE T ROWE ASSOCIATES INC /MD/ (Filed by)
| Form SC 13G/A | |
10/07/2024
10:38 AM | Ameren (Filer)
UNION ELECTRIC CO (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/30/2024
3:25 PM | Ameren (Issuer)
Nwamu Chonda J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
08/28/2024
8:52 AM | Ameren (Subject)
Nwamu Chonda J (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
08/20/2024
10:22 AM | Ameren (Subject)
MOEHN MICHAEL L (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
08/09/2024
3:28 PM | Ameren (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
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