Summary
Updated Aug 31, 2026
Mark A. Weiss is Sr. VP & General Counsel of AMERICAN FINANCIAL GROUP INC (AFG). 5 SEC Form 4 filings on record going back to 2025, most recently on 7 August 2026. Most recent open-market trade: sold $407K of AFG on 7 August 2026. Lifetime open-market sales: $407K.
Recent Transactions
5Every recent SEC Form 4 transaction Mark A. Weiss has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Mark A. Weiss 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.
- Carl H. Lindner III - $12.99M of AFG open-market activity in the last 12 months
- 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
- 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 Mark A. Weiss?
Mark A. Weiss is a corporate insider, tracked as Sr. VP & General Counsel of AMERICAN FINANCIAL GROUP INC (AFG). InsiderAlpha holds 5 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 Mark A. Weiss submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Mark A. Weiss been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($407K) across all tracked filings.
Where can I see all of Mark A. Weiss'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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