Martin J. Lyons
President & CEO at Ameren Corporation
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 2 boards, counting each seat separately. Longest: Ameren Corporation, 3 years.
Ameren Corporation
Director · Chairman, President & CEO
Martin Marietta Materials Inc.
Director
Chief executive roles
Ameren Corporation
· President & CEO
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| May 29, 2026 | Martin Marietta Materials Inc. | Grant or award | +61 | $581.64 | $35,480 |
| May 14, 2026 | Martin Marietta Materials Inc. | Grant or award | +313 | — | — |
| Mar 3, 2026 | Ameren Corporation | Open-market sale | −26,818 | $111.84 | $2,999,325 |
| Feb 27, 2026 | Ameren Corporation | Shares withheld for tax | −28,154 | $113.28 | $3,189,285 |
| Feb 5, 2026 | Ameren Corporation | Grant or award | +23,170 | — | — |
| Feb 5, 2026 | Ameren Corporation | Grant or award | +44,840 | — | — |
| Mar 6, 2025 | Ameren Corporation | Gift | −2,000 | — | — |
| Mar 4, 2025 | Ameren Corporation | Open-market sale | −14,833 | $103.79 | $1,539,517 |
| Feb 28, 2025 | Ameren Corporation | Shares withheld for tax | −23,357 | $101.56 | $2,372,137 |
| Feb 6, 2025 | Ameren Corporation | Grant or award | +21,869 | — | — |
| Feb 6, 2025 | Ameren Corporation | Grant or award | +37,546 | — | — |
| Mar 4, 2024 | Ameren Corporation | Open-market sale | −7,270 | $70.70 | $513,989 |
| Feb 29, 2024 | Ameren Corporation | Shares withheld for tax | −11,496 | $71.19 | $818,400 |
| Feb 8, 2024 | Ameren Corporation | Grant or award | +25,407 | — | — |
| Feb 8, 2024 | Ameren Corporation | Grant or award | +16,551 | — | — |
Reviews (0)
Sign in to write a review.
No reviews yet. Be the first to write one.