Based on data from the past 90 days ending February 19, 2026, Ameren's three largest insider shareholders are Chairman And President & Ceo Martin J Lyons (292.96K shares), Executive Chairman Warner L Baxter (247.48K shares), Group President And Utilities Michael L Moehn (208.26K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Martin J Lyons | Chairman And President & Ceo | 292,962 | 09 Feb, 2026 |
| Warner L Baxter | Executive Chairman | 247,482 | 02 Mar, 2023 |
| Michael L Moehn | Group President And Utilities | 208,261 | 09 Feb, 2026 |
| Richard J Mark | 177,143 | 14 Feb, 2022 | |
| Mark C Birk | 109,360 | 04 Mar, 2025 | |
| Mary P Heger | 80,910 | 14 Feb, 2022 | |
| Fadi M Diya | 64,676 | 10 Feb, 2025 | |
| Shawn E Schukar | 62,342 | 09 Feb, 2026 | |
| James C Johnson | 60,196 | 07 Jan, 2025 | |
| Ellen M Fitzsimmons | 53,026 | 07 Jan, 2026 | |
| Chonda J Nwamu | Executive Vice President | 49,217 | 04 Mar, 2025 |
| Mark C Lindgren | 46,387 | 09 Feb, 2026 | |
| Steven H Lipstein | 37,862 | 07 Jan, 2026 | |
| Bhavani Amirthalingam | 37,842 | 12 Feb, 2024 | |
| Theresa A Shaw | Svp And Cato | 33,738 | 09 Feb, 2026 |
| Ryan J Martin | Svp Finance | 28,499 | 09 Feb, 2026 |
| Leonard P Singh | 28,411 | 09 Feb, 2026 | |
| Catherine S Brune | 27,078 | 07 Jan, 2026 | |
| Ajay K Arora | Svp Of Subsidiary | 24,037 | 09 Feb, 2026 |
| J Edward Coleman | 23,252 | 05 Jan, 2024 | |
| Richard J Harshman | 22,135 | 07 Jan, 2026 | |
| Ward H. Dickson | 18,946 | 07 Jan, 2026 | |
| Noelle K Eder | 16,609 | 07 Jan, 2025 | |
| Craig S Ivey | 16,597 | 07 Jan, 2026 | |
| Rafael Flores | 15,553 | 07 Jan, 2026 | |
| Eric V Seidler | Svp Of Subsidiary | 14,390 | 09 Feb, 2026 |
| Cynthia J Brinkley | 13,494 | 07 Jan, 2026 | |
| Leo S. Jr. Mackay | 11,834 | 07 Jan, 2026 | |
| Gwendolyn G Mizell | 10,917 | 09 Feb, 2026 | |
| Kimberly J Harris | 3,939 | 07 Jan, 2025 | |
| David Matthew Feinberg | Evp And Gc & Secretary | 3,793 | 17 Nov, 2025 |
| Steven O Vondran | 3,597 | 07 Jan, 2026 | |
| Jamie L Engstrom | 1,686 | 07 Jan, 2026 | |
| Patrick E Smith | Chairman & President Of Sub | 1,090 | 09 Feb, 2026 |
| Stephen C Lee | Vp And Interim Gc & Secretary | 254 | 04 Mar, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 05 Feb, 2026 | Martin J Lyons | Common Stock, $.01 Par Value | A | 23,170 | $0.00 | 2,109 | I | A |
| 05 Feb, 2026 | Martin J Lyons | Common Stock, $.01 Par Value | A | 44,840 | $0.00 | 290,853 | D | A |
| 05 Feb, 2026 | Michael L Moehn | Common Stock, $.01 Par Value | A | 22,849 | $0.00 | 203,031 | D | A |
| 05 Feb, 2026 | Michael L Moehn | Common Stock, $.01 Par Value | A | 9,955 | $0.00 | 5,230 | I | A |
| 05 Feb, 2026 | Shawn E Schukar | Common Stock, $.01 Par Value | A | 5,699 | $0.00 | 59,191 | D | A |
| 05 Feb, 2026 | Shawn E Schukar | Common Stock, $.01 Par Value | A | 2,824 | $0.00 | 3,151 | I | A |
| 05 Feb, 2026 | David Matthew Feinberg | Common Stock, $.01 Par Value | A | 4,449 | $0.00 | 9 | I | A |
| 05 Feb, 2026 | Mark C Lindgren | Common Stock, $.01 Par Value | A | 4,349 | $0.00 | 44,656 | D | A |
| 05 Feb, 2026 | Mark C Lindgren | Common Stock, $.01 Par Value | A | 2,082 | $0.00 | 1,731 | I | A |
| 05 Feb, 2026 | Gwendolyn G Mizell | Common Stock, $.01 Par Value | A | 2,276 | $0.00 | 8,494 | D | A |
| 05 Feb, 2026 | Gwendolyn G Mizell | Common Stock, $.01 Par Value | A | 865 | $0.00 | 2,423 | I | A |
| 05 Feb, 2026 | Theresa A Shaw | Common Stock, $.01 Par Value | A | 1,333 | $0.00 | 895 | I | A |
| 05 Feb, 2026 | Theresa A Shaw | Common Stock, $.01 Par Value | A | 3,126 | $0.00 | 32,843 | D | A |
| 05 Feb, 2026 | Leonard P Singh | Common Stock, $.01 Par Value | A | 9,515 | $0.00 | 28,321 | D | A |
| 05 Feb, 2026 | Leonard P Singh | Common Stock, $.01 Par Value | A | 5,508 | $0.00 | 90 | I | A |
| 05 Feb, 2026 | Ajay K Arora | Common Stock, $.01 Par Value | A | 2,498 | $0.00 | 24,037 | I | A |
| 05 Feb, 2026 | Ajay K Arora | Common Stock, $.01 Par Value | A | 1,467 | $0.00 | 1,716 | I | A |
| 05 Feb, 2026 | Ryan J Martin | Common Stock, $.01 Par Value | A | 1,294 | $0.00 | 1,788 | I | A |
| 05 Feb, 2026 | Ryan J Martin | Common Stock, $.01 Par Value | A | 1,752 | $0.00 | 26,711 | D | A |
| 05 Feb, 2026 | Eric V Seidler | Common Stock, $.01 Par Value | A | 2,364 | $0.00 | 12,601 | D | A |