Summary
Updated Aug 31, 2026
Theresa A. Shaw is SVP and CATO of AMEREN CORP (AEE). 7 SEC Form 4 filings on record going back to 2025, most recently on 17 August 2026. Most recent open-market trade: sold $35K of AEE on 17 August 2026. Lifetime open-market sales: $305K.
Recent Transactions
10Every recent SEC Form 4 transaction Theresa A. Shaw has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Theresa A. Shaw go back to 2025: 7 primary Form 4 filings, an average of 3.5 per year. 6 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Theresa A. Shaw files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Martin J. Lyons - $3.00M of AEE open-market activity in the last 12 months
- Michael L. Moehn - $2.78M of AEE open-market activity in the last 12 months
- Mark C. Lindgren - $585K of AEE open-market activity in the last 12 months
- Shawn E. Schukar - $556K of AEE open-market activity in the last 12 months
- Gwendolyn G. Mizell - $543K of AEE open-market activity in the last 12 months
- Ajay K. Arora - $334K of AEE open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Theresa A. Shaw?
Theresa A. Shaw is a corporate insider, tracked as SVP and CATO of AMEREN CORP (AEE). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Theresa A. Shaw submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Theresa A. Shaw been buying or selling stock?
Recorded transactions: 0 open-market purchases and 5 open-market sales ($305K) across all tracked filings.
Where can I see all of Theresa A. Shaw's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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