Form 4: Ameren SVP Theresa Shaw Executes Stock Sale

Ameren Corporation SVP and CATO Theresa A. Shaw sold 1,825 shares of common stock across two transactions in May 2026.

Summary

• Theresa A. Shaw, SVP and CATO of Ameren Corporation, sold a total of 1,825 shares of common stock.
• On May 12, 2026, 1,500 shares were sold at a price of $109.35 per share.
• On May 14, 2026, an additional 325 shares were sold at a price of $109.08 per share.
• The transactions were executed pursuant to a pre-established Rule 10b5-1 trading plan.
• Following these transactions, the reporting person maintains direct ownership of 32,618 shares.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event, as the sale was executed through a pre-planned 10b5-1 arrangement, which is standard practice for executive financial planning.

Positives

• The sale was conducted under a pre-arranged Rule 10b5-1 trading plan, which is a standard mechanism for corporate insiders to sell shares without triggering concerns regarding non-public information.

Negatives

• The filing reflects a reduction in the direct equity stake held by a senior executive.

Risks

• None identified in this filing.

Future Outlook

No forward-looking guidance provided in this filing.

Industry Context

StockSavvy.ai notes that insider selling via Rule 10b5-1 plans is a routine corporate governance practice in the utility sector, typically indicating scheduled liquidity events rather than a change in sentiment regarding company performance.

Comparison to Industry Standards

• The use of Rule 10b5-1 plans is consistent with standard executive compensation and liquidity management practices at major utilities like Duke Energy or Southern Company.

Stakeholder Impact

• Minimal impact expected as the transaction was pre-planned and represents a small portion of the executive's total holdings.

Next Steps

• No future actions or milestones mentioned.

Key Dates

Keywords

Ameren, AEE, Insider Trading, Form 4, Rule 10b5-1, Stock Sale