Summary
Updated Aug 31, 2026
Carl H. Lindner III is Co-CEO, Director of AMERICAN FINANCIAL GROUP INC (AFG). 8 SEC Form 4 filings on record going back to 2024, most recently on 26 August 2026. Most recent open-market trade: sold $11.74M of AFG on 26 August 2026. Lifetime open-market sales: $12.99M.
Recent Transactions
9Every recent SEC Form 4 transaction Carl H. Lindner III has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Carl H. Lindner III go back to 2024: 8 primary Form 4 filings, an average of 2.7 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Carl H. Lindner III 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.
- David Lawrence Thompson Jr. - $1.54M of AFG open-market activity in the last 12 months
- Brian S. Hertzman - $476K of AFG open-market activity in the last 12 months
- Mark A. Weiss - $407K of AFG open-market activity in the last 12 months
- Michelle A. Gillis - $312K of AFG open-market activity in the last 12 months
- Amy Y. Murray - $126K of AFG 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 Carl H. Lindner III?
Carl H. Lindner III is a corporate insider, tracked as Co-CEO, Director of AMERICAN FINANCIAL GROUP INC (AFG). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Carl H. Lindner III submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Carl H. Lindner III been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($12.99M) across all tracked filings.
Where can I see all of Carl H. Lindner III'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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