Martin Ryan J 4

What Happened

• Ryan J. Martin, Senior Vice President, Finance at Ameren Corporation, reported a sale of 1,300 shares on March 4, 2026. The shares were disposed at $113.31 each, for a total transaction value of about $147,303. The Form 4 describes the disposal as an "open market or private sale" (transaction code S).

Key Details

• Transaction date and price: 2026-03-04 at $113.31 per share.
• Total value: approximately $147,303.
• Filing date: Form 4 filed with the SEC on 2026-03-06 (two days after the transaction).
• Shares owned after transaction: not specified in the filing.
• Footnote: F1 indicates an estimated number of share equivalents held by the reporting person in the Ameren Savings Investment Plan as of February 28, 2026.
• No 10b5-1 plan, tax withholding, or late-filing indication is noted in this report.

Context

• This was a sale (a disposal), which is a routine insider transaction and does not by itself indicate management’s view of the company’s future. No additional details (e.g., 10b5-1 plan or exercise-and-sell) were provided in the filing.