MOEHN MICHAEL L 4

What Happened
Michael L. Moehn, Group President, Utilities at Ameren Corporation (AEE), sold 6,500 shares in an open-market transaction on May 1, 2026, at $113.63 per share, for a total of approximately $738,595. This was a sale (not a purchase); sales can be routine and — in this case — were executed under a prearranged plan (see key details).

Key Details

• Transaction date and price: May 1, 2026 — 6,500 shares sold at $113.63 per share. Total proceeds ≈ $738,595.
• Transaction type: Open-market sale reported as "S" on the Form 4.
• Plan: Sale executed pursuant to a Rule 10b5-1 trading plan (Footnote F2). 10b5-1 plans are prearranged and typically limit inference about current insider views.
• Additional footnotes: F1 refers to estimated share equivalents held in the Ameren Savings Investment Plan as of April 30, 2026; F3 notes 573 accrued dividend equivalents from Q1 2026 were acquired via dividend reinvestment of restricted stock units.
• Shares owned after transaction: Not specified in the provided filing.
• Filing timeliness: Transaction date May 1, 2026; Form 4 filed May 5, 2026 — this meets the typical 2-business-day SEC filing requirement (timely).

Context

• Sales under a 10b5-1 plan are pre-scheduled and do not necessarily reflect an insider’s current view of the company.
• For retail investors, purchases by insiders are often viewed as stronger signals than routine sales; this report documents a routine, planned sale.