Form 4: Ameren Corp Executive Mark C. Birk Reports Changes in Beneficial Ownership

Mark C. Birk, Chmn & President of Subsidiary at Ameren Corp, reports transactions involving common stock, including shares withheld for tax obligations and shares acquired from a family trust liquidation.

Summary

• On February 28, 2025, Mark C. Birk held 1,557 shares of Ameren Corp common stock indirectly through a 401(k) plan.
• On February 28, 2025, 5,030 shares were withheld by Ameren Corp at a price of $101.56 to cover tax obligations related to vesting performance share units and restricted stock units.
• On March 4, 2025, Mr. Birk acquired 536 shares at $0 as a beneficiary from the liquidation of his parents' family trust.
• Following these transactions, Mr. Birk directly owns 108,339 shares of Ameren Corp common stock.

Sentiment

Score: 5

Explanation: The document is a standard regulatory filing detailing stock transactions. It doesn't inherently convey positive or negative sentiment, but rather provides factual information about changes in ownership.

Positives

• The acquisition of 536 shares from the family trust liquidation increases Mr. Birk's direct ownership in Ameren Corp.

Negatives

• The withholding of 5,030 shares to cover tax obligations reduces Mr. Birk's holdings.

Industry Context

This filing is a routine disclosure of insider transactions, which are common in publicly traded companies. It provides transparency into the trading activities of company executives.

Stakeholder Impact

• The transactions may have a minor impact on shareholders by slightly altering the ownership structure of the company.
• The withholding of shares for tax obligations affects Mr. Birk's personal holdings.

Key Dates