| $75M | ||
| $50M | ||
| $23M | ||
| $3M | ||
| $2M | ||
| $1M |
Buys | $0 | 0 | 0 |
Sells | $7,155,148 | 18 | 100 |
| Shaw Theresa A | SVP, Finance and CAO | 0 | $0 | 2 | $133,580 | $-133,580 |
| Mizell Gwendolyn G | SVP & CSO of Subsidiary | 0 | $0 | 2 | $251,040 | $-251,040 |
| Smith Patrick E | SVP of Subsidiary | 0 | $0 | 1 | $251,939 | $-251,939 |
| Flores Rafael | director | 0 | $0 | 2 | $251,997 | $-251,997 |
| HARSHMAN RICHARD J | director | 0 | $0 | 1 | $262,250 | $-262,250 |
| Ivey Craig S | director | 0 | $0 | 1 | $266,901 | $-266,901 |
| Schukar Shawn E | Chmn & President of Subsidiary | 0 | $0 | 1 | $492,276 | $-492,276 |
| Lindgren Mark C | EVP & Chief HR Officer of Sub | 0 | $0 | 2 | $547,202 | $-547,202 |
| Nwamu Chonda J | Executive Vice President | 0 | $0 | 1 | $557,535 | $-557,535 |
| LYONS MARTIN J | Chairman, President & CEO | 0 | $0 | 1 | $1.54M | $-1.54M |
| MOEHN MICHAEL L | Sr Executive VP & CFO | 0 | $0 | 4 | $2.6M | $-2.6M |
Ameren Corporation, together with its subsidiaries, operates as a public utility holding company in the United States. It operates through four segments: Ameren Missouri, Ameren Illinois Electric Distribution, Ameren Illinois Natural Gas, and Ameren Transmission. The company engages in the rate-regulated electric generation, transmission, and distribution activities; and rate-regulated natural gas distribution and transmission businesses. It primarily generates electricity through coal, nuclear, and natural gas, as well as renewable sources, such as hydroelectric, wind, methane gas, and solar. The company serves residential, commercial, and industrial customers. Ameren Corporation was founded in 1881 and is headquartered in St. Louis, Missouri.
Over the last 12 months, insiders at Ameren Corporation have bought $0 and sold $7.16M worth of Ameren Corporation stock.
On average, over the past 5 years, insiders at Ameren Corporation have bought $0 and sold $10.01M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 18,376 shares for transaction amount of $719,972 was made by GALVIN WALTER J (director) on 2014‑05‑30.
| 2025-11-17 | Sale | Flores Rafael | director | 626 0.0002% | $105.32 | $65,930 | -4.17% | |
| 2025-11-14 | Sale | Shaw Theresa A | SVP, Finance and CAO | 325 0.0001% | $104.77 | $34,050 | -3.65% | |
| 2025-11-14 | Sale | HARSHMAN RICHARD J | director | 2,500 0.0009% | $104.90 | $262,250 | -3.65% | |
| 2025-11-14 | Sale | Smith Patrick E | SVP of Subsidiary | 2,404 0.0009% | $104.80 | $251,939 | -3.65% | |
| 2025-11-03 | Sale | MOEHN MICHAEL L | Sr Executive VP & CFO | 6,500 0.0024% | $101.44 | $659,360 | -0.06% | |
| 2025-09-12 | Sale | Lindgren Mark C | EVP & Chief HR Officer of Sub | 3,500 0.0013% | $100.89 | $353,115 | +1.85% | |
| 2025-09-03 | Sale | Mizell Gwendolyn G | SVP & CSO of Subsidiary | 1,500 0.0006% | $99.50 | $149,250 | +2.83% | |
| 2025-08-22 | Sale | Mizell Gwendolyn G | SVP & CSO of Subsidiary | 1,000 0.0004% | $101.79 | $101,790 | +0.31% | |
| 2025-08-01 | Sale | MOEHN MICHAEL L | Sr Executive VP & CFO | 6,500 0.0024% | $102.54 | $666,510 | +0.04% | |
| 2025-05-20 | Sale | MOEHN MICHAEL L | Sr Executive VP & CFO | 6,500 0.0024% | $98.62 | $641,030 | +3.45% | |
| 2025-03-04 | Sale | LYONS MARTIN J | Chairman, President & CEO | 14,833 0.0057% | $103.79 | $1.54M | +1.41% | |
| 2025-03-04 | Sale | Schukar Shawn E | Chmn & President of Subsidiary | 4,743 0.0018% | $103.79 | $492,276 | +1.41% | |
| 2025-03-04 | Sale | Lindgren Mark C | EVP & Chief HR Officer of Sub | 1,870 0.0007% | $103.79 | $194,087 | +1.41% | |
| 2025-03-04 | Sale | Nwamu Chonda J | Executive Vice President | 5,500 0.0021% | $101.37 | $557,535 | +1.41% | |
| 2025-02-26 | Sale | Shaw Theresa A | SVP, Finance and CAO | 1,000 0.0004% | $99.53 | $99,530 | +2.09% | |
| 2025-02-20 | Sale | MOEHN MICHAEL L | Sr Executive VP & CFO | 6,500 0.0024% | $97.54 | $634,010 | +4.30% | |
| 2025-02-19 | Sale | Ivey Craig S | director | 2,716 0.001% | $98.27 | $266,901 | +3.56% | |
| 2025-02-19 | Sale | Flores Rafael | director | 1,900 0.0007% | $97.93 | $186,067 | +3.56% | |
| 2024-11-20 | Sale | MOEHN MICHAEL L | Sr Executive VP & CFO | 6,500 0.0024% | $92.15 | $598,975 | +8.26% | |
| 2024-08-28 | Sale | Nwamu Chonda J | EVP, GC & Secretary | 1,610 0.0006% | $81.94 | $131,923 | +19.21% |
| LYONS MARTIN J | Chairman, President & CEO | 269683 0.0997% | $27.59M | 0 | 11 | |
| MOEHN MICHAEL L | Sr Executive VP & CFO | 198973 0.0736% | $20.35M | 0 | 23 | |
| Schukar Shawn E | Chmn & President of Subsidiary | 57486 0.0213% | $5.88M | 0 | 9 | |
| Nwamu Chonda J | Executive Vice President | 43344 0.016% | $4.43M | 0 | 6 | |
| Lindgren Mark C | EVP & Chief HR Officer of Sub | 42574 0.0157% | $4.36M | 0 | 16 | |
| Shaw Theresa A | SVP, Finance and CAO | 32942 0.0122% | $3.37M | 0 | 2 | |
| HARSHMAN RICHARD J | director | 20378 0.0075% | $2.08M | 0 | 1 | |
| Smith Patrick E | SVP of Subsidiary | 15077 0.0056% | $1.54M | 0 | 1 | |
| Ivey Craig S | director | 14495 0.0054% | $1.48M | 0 | 1 | |
| Flores Rafael | director | 13772 0.0051% | $1.41M | 0 | 7 | |
| Mizell Gwendolyn G | SVP & CSO of Subsidiary | 7629 0.0028% | $780,446.70 | 0 | 2 | |
| BAXTER WARNER L | Executive Chairman | 207272 0.0766% | $21.2M | 0 | 13 | |
| MARK RICHARD J | 144165 0.0533% | $14.75M | 1 | 8 | <0.0001% | |
| BIRK MARK C | 80541 0.0298% | $8.24M | 0 | 4 | ||
| RAINWATER GARY L | Exec. Chmn | 70964 0.0262% | $7.26M | 0 | 2 | |
| Diya Fadi M | SVP & CNO of Subsidiary | 56781 0.021% | $5.81M | 0 | 7 | |
| Steinke Bruce A | SVP, Finance & CAO | 54617 0.0202% | $5.59M | 0 | 7 | |
| Heger Mary P | 54468 0.0201% | $5.57M | 0 | 1 | ||
| MUELLER CHARLES W | director | 53243 0.0197% | $5.45M | 0 | 5 | |
| NELSON GREGORY L | SVP, GC & Secretary | 42759 0.0158% | $4.37M | 0 | 9 | |
| NASLUND CHARLES D | 37333 0.0138% | $3.82M | 0 | 4 | ||
| Borkowski Maureen A | 30972 0.0115% | $3.17M | 0 | 1 | ||
| VOSS THOMAS R | Chairman & CEO | 29397 0.0109% | $3.01M | 0 | 4 | |
| Woodard Jackie D | director | 23162 0.0086% | $2.37M | 3 | 0 | <0.0001% |
| GALVIN WALTER J | director | 22477 0.0083% | $2.3M | 1 | 1 | +8.2% |
| COLE DANIEL F | Chmn & President of Subsidiary | 22366 0.0083% | $2.29M | 0 | 5 | |
| BREMER CHARLES A | Vice President of Subsidiary | 17850 0.0066% | $1.83M | 0 | 2 | |
| SULLIVAN STEVEN R | Former Pres. & CEO of Sub | 16433 0.0061% | $1.68M | 0 | 2 | |
| WHITELEY DAVID A | Resigned 1/31/2007 | 16106 0.006% | $1.65M | 0 | 3 | |
| HAYS THOMAS A | Retired Director | 15217 0.0056% | $1.56M | 0 | 1 | |
| AGATHEN PAUL A | Retired Sr. VP & Dir. of Subsi | 12884 0.0048% | $1.32M | 0 | 5 | |
| ZDELLAR RONALD C | Vice President of Subsidiary | 12769 0.0047% | $1.31M | 0 | 4 | |
| WILLIS SAMUEL E | Retired VP of Subsidiary | 11897 0.0044% | $1.22M | 0 | 9 | |
| RANDOLPH GARRY L | Retired SVP of Subsidiary | 11688 0.0043% | $1.2M | 0 | 7 | |
| KELLEY R ALAN | Resigned August 1, 2008 | 10809 0.004% | $1.11M | 0 | 4 | |
| MACCARTHY JOHN PETERS | Retired Director | 9661 0.0036% | $988,320.30 | 0 | 1 | |
| BIRDSONG JERRE E | Vice President & Treasurer | 8879 0.0033% | $908,321.70 | 0 | 6 | |
| MUELLER MICHAEL G | Vice President of Subsidiary | 8397 0.0031% | $859,013.10 | 0 | 3 | |
| NELSON CRAIG D | Vice President of Subsidiary | 7915 0.0029% | $809,704.50 | 0 | 3 | |
| SIMPSON JERRY L | Vice President of Subsidiary | 7946 0.0029% | $812,875.80 | 0 | 4 | |
| AFFOLTER RONALD D | Former VP of Subsidiary | 7349 0.0027% | $751,802.70 | 0 | 2 | |
| CISEL SCOTT A | Chmn, Pres. & CEO of Subs | 6428 0.0024% | $657,584.40 | 1 | 0 | <0.0001% |
| MILLER PAUL L JR | Former Director (Deceased) | 4617 0.0017% | $472,319.10 | 0 | 17 | |
| Glaeser Scott A | Vice President of Subsidiary | 4161 0.0015% | $425,670.30 | 0 | 1 | |
| SMITH J KAY | Former VP of Subsidiary | 3727 0.0014% | $381,272.10 | 0 | 3 | |
| Schepers David J | Vice President of Subsidiary | 3819 0.0014% | $390,683.70 | 0 | 3 | |
| Weisenborn Dennis W | Vice President of Subsidiary | 3486 0.0013% | $356,617.80 | 0 | 1 | |
| SERRI ANDREW M | President & CEO of Subsidiary | 3080 0.0011% | $315,084.00 | 1 | 2 | <0.0001% |
| SHORES WILLIAM C | Retired VP of Subsidiary | 2191 0.0008% | $224,139.30 | 0 | 1 | |
| LIDDY RICHARD A | director | 1400 0.0005% | $143,220.00 | 0 | 1 | |
| MENNE MICHAEL L | Vice President of Subsidiary | 1424 0.0005% | $145,675.20 | 1 | 2 | <0.0001% |
| DAVIS JIMMY L | Vice President of Subsidiary | 973 0.0004% | $99,537.90 | 0 | 6 | |
| MONTANA MICHAEL J | Former VP of Subsidiary | 0 0% | $0 | 0 | 3 | |
| MOORMAN GILBERT W | Retired VP of Subsidiary | 0 0% | $0 | 0 | 1 | |
| POWERS ROBERT L | Vice President of Subsidiary | 0 0% | $0 | 0 | 1 |
| Increased Positions | 433 | +55.8% | 12M | +5.04% |
| Decreased Positions | 308 | -39.69% | 11M | -4.75% |
| New Positions | 96 | New | 2M | New |
| Sold Out Positions | 67 | Sold Out | 2M | Sold Out |
| Total Postitions | 901 | +16.11% | 233M | +0.29% |
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| Blackrock, Inc. | $2.19M | 8.06% | 21.76M | +323,669 | +1.51% | 2025-09-30 |
| T. Rowe Price Investment Management, Inc. | $1.57M | 5.75% | 15.52M | +1M | +8.08% | 2025-09-30 |
| State Street Corp | $1.42M | 5.2% | 14.05M | +328,401 | +2.39% | 2025-09-30 |
| Geode Capital Management, Llc | $739,155.00 | 2.71% | 7.33M | +86,132 | +1.19% | 2025-09-30 |
| Ameriprise Financial Inc | $633,757.00 | 2.33% | 6.28M | +60,519 | +0.97% | 2025-09-30 |
| Invesco Ltd. | $518,445.00 | 1.9% | 5.14M | +49,282 | +0.97% | 2025-09-30 |
| Fmr Llc | $488,257.00 | 1.79% | 4.84M | -278,627 | -5.44% | 2025-09-30 |
| Janus Henderson Group Plc | $476,495.00 | 1.75% | 4.72M | +40,354 | +0.86% | 2025-09-30 |