Ameren Corp. is a public utility holding company, which engages in the provision of electric and natural gas services. It operates through the following segments: Ameren Missouri, Ameren Illinois Electric Distribution, Ameren Illinois Natural Gas, Ameren Transmission, and Other. The Ameren Transmission segment consists of the aggregated electric transmission businesses of Ameren Illinois and Ameren Transmission Company of Illinois (ATXI). The company was founded in 1902 and is headquartered in St. Louis, MO. |  |
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| Insider Trading |
Relationship |
Date |
Transaction |
Cost |
#Shares |
Value ($) |
#Shares Total |
SEC Form 4 |
| Flores Rafael | Director | Nov 17 '25 | Sale | 105.21 | 225 | 23,672 | 14,173 | Nov 18 04:19 PM | | Smith Patrick E | SVP of Subsidiary | Nov 14 '25 | Sale | 104.80 | 2,404 | 251,939 | 15,077 | Nov 18 04:18 PM | | Shaw Theresa A | SVP, Finance and CAO | Nov 14 '25 | Sale | 104.77 | 325 | 34,050 | 32,942 | Nov 18 04:17 PM | | HARSHMAN RICHARD J | Director | Nov 14 '25 | Sale | 104.90 | 2,500 | 262,250 | 20,378 | Nov 18 04:17 PM | | Flores Rafael | Director | Nov 17 '25 | Proposed Sale | 105.21 | 225 | 23,672 | | Nov 17 03:33 PM | | HARSHMAN RICHARD J | Director | Nov 14 '25 | Proposed Sale | 104.90 | 2,500 | 262,250 | | Nov 14 01:38 PM | | MOEHN MICHAEL L | Sr Executive VP & CFO | Nov 03 '25 | Sale | 101.44 | 6,500 | 659,360 | 198,973 | Nov 04 04:24 PM | | MOEHN MICHAEL L | Officer | Nov 03 '25 | Proposed Sale | 101.44 | 6,500 | 659,360 | | Nov 03 11:00 AM | | Lindgren Mark C | EVP & Chief HR Officer of Sub | Sep 12 '25 | Sale | 100.89 | 3,500 | 353,115 | 42,574 | Sep 15 04:30 PM | | Mizell Gwendolyn G | SVP & CSO of Subsidiary | Sep 03 '25 | Sale | 99.50 | 1,500 | 149,250 | 7,629 | Sep 04 04:18 PM | | Mizell Gwendolyn G | SVP & CSO of Subsidiary | Aug 22 '25 | Sale | 101.79 | 1,000 | 101,790 | 9,129 | Aug 26 08:24 PM | | MOEHN MICHAEL L | Sr Executive VP & CFO | Aug 01 '25 | Sale | 102.54 | 6,500 | 666,510 | 204,879 | Aug 05 04:17 PM | | MOEHN MICHAEL L | Officer | Aug 01 '25 | Proposed Sale | 102.54 | 6,500 | 666,510 | | Aug 01 11:26 AM | | MOEHN MICHAEL L | Sr Executive VP & CFO | May 20 '25 | Sale | 98.62 | 6,500 | 641,030 | 210,768 | May 21 04:23 PM | | MOEHN MICHAEL L | Officer | May 20 '25 | Proposed Sale | 98.62 | 6,500 | 641,030 | | May 20 09:54 AM | | Schukar Shawn E | Chmn & President of Subsidiary | Mar 04 '25 | Sale | 103.79 | 4,743 | 492,276 | 57,486 | Mar 04 08:13 PM | | Nwamu Chonda J | Executive Vice President | Mar 04 '25 | Sale | 101.37 | 5,500 | 557,535 | 43,344 | Mar 04 08:12 PM | | Lindgren Mark C | EVP & Chief HR Officer of Sub | Mar 04 '25 | Sale | 103.79 | 1,870 | 194,087 | 46,480 | Mar 04 08:12 PM | | LYONS MARTIN J | Chairman, President & CEO | Mar 04 '25 | Sale | 103.79 | 14,833 | 1,539,517 | 269,683 | Mar 04 08:12 PM | | Nwamu Chonda J | Officer | Mar 04 '25 | Proposed Sale | 101.37 | 5,500 | 557,525 | | Mar 04 04:10 PM | | LYONS MARTIN J | Officer | Mar 04 '25 | Proposed Sale | 103.79 | 14,833 | 1,539,517 | | Mar 04 11:27 AM | | Shaw Theresa A | SVP, Finance and CAO | Feb 26 '25 | Sale | 99.53 | 1,000 | 99,530 | 31,993 | Feb 27 04:52 PM | | MOEHN MICHAEL L | Sr Executive VP & CFO | Feb 20 '25 | Sale | 97.54 | 6,500 | 634,010 | 230,016 | Feb 24 04:20 PM | | Ivey Craig S | Director | Feb 19 '25 | Sale | 98.27 | 2,716 | 266,901 | 14,495 | Feb 21 04:36 PM | | Flores Rafael | Director | Feb 19 '25 | Sale | 97.93 | 1,900 | 186,067 | 14,107 | Feb 21 04:36 PM | | MOEHN MICHAEL L | Officer | Feb 20 '25 | Proposed Sale | 97.54 | 6,500 | 634,010 | | Feb 20 10:52 AM | | Flores Rafael | Director | Feb 19 '25 | Proposed Sale | 97.93 | 1,900 | 186,059 | | Feb 19 12:08 PM |
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