Form 4: Ameren Corp CEO Martin J. Lyons Jr. Reports Stock Transactions

Martin J. Lyons Jr., Chairman, President & CEO of Ameren Corp, reports stock sales and tax-related share withholding.

Summary

• On February 28, 2025, Martin J. Lyons Jr. held 2,034 shares of Ameren Corp common stock indirectly through a 401(k).
• On the same date, 23,357 shares were withheld by Ameren Corp to cover tax obligations related to vesting performance share units and restricted stock units at a price of $101.56.
• On March 4, 2025, Lyons sold 14,833 shares of common stock at $103.79 per share.
• Following these transactions, Lyons directly owns 269,683 shares of Ameren Corp common stock.
• The sale on March 4, 2025, was executed under a pre-arranged Rule 10b5-1 trading plan.

Sentiment

Score: 5

Explanation: The document is a neutral report of stock transactions. There is no inherent positive or negative sentiment.

Industry Context

This filing is a routine disclosure of insider trading activity, which is common for executives of publicly traded companies. The use of a 10b5-1 plan suggests a pre-arranged strategy for selling shares.

Stakeholder Impact

• The stock sale could have a minor impact on shareholders, potentially creating downward pressure on the stock price, although the 10b5-1 plan mitigates concerns about opportunistic trading.
• The tax withholding impacts Lyons' personal finances.

Key Dates