Summary
Updated Aug 31, 2026
Mark C. Lindgren files SEC Form 4 reports at AMEREN CORP (AEE). 4 SEC Form 4 filings on record going back to 2025, most recently on 3 March 2026. Most recent open-market trade: sold $232K of AEE on 3 March 2026. Lifetime open-market sales: $585K.
Recent Transactions
6Every recent SEC Form 4 transaction Mark C. Lindgren has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Mark C. Lindgren go back to 2025: 4 primary Form 4 filings, an average of 2.0 per year. 2 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 Mark C. Lindgren 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
- 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
- Theresa A. Shaw - $305K 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 Mark C. Lindgren?
Mark C. Lindgren is a corporate insider of AMEREN CORP (AEE). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Mark C. Lindgren last file a Form 4?
The most recent primary Form 4 on record is dated 3 March 2026, one of 4 filings going back to 2025.
Has Mark C. Lindgren been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($585K) across all tracked filings.
Where can I see all of Mark C. Lindgren'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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