Ameren Corp Officer Patrick E. Smith Receives Restricted Stock Units

This Form 4 filing reports that Patrick E. Smith, Chairman & President of a subsidiary at Ameren Corporation, received 280 restricted stock units (RSUs) on July 1, 2026. The RSUs were granted at $0 per share under Ameren's 2022 Omnibus Incentive Compensation Plan and are scheduled to vest by March 15, 2029. Following this transaction, Smith directly owns 20,275 shares of common stock. Additionally, he holds 3,113 shares indirectly through the company's 401(k) plan and 968 shares through his spouse. The filing includes footnotes explaining that the 401(k) holdings represent estimated share equivalents in a unitized stock fund as of June 30, 2026, and that 84 dividend equivalents were acquired during the first two quarters of 2026 through a dividend reinvestment feature of the RSUs.