Summary
Updated Aug 31, 2026
Richard G. Thornberry is Chief Executive Officer, Director of RADIAN GROUP INC (RDN). 8 SEC Form 4 filings on record going back to 2024, most recently on 26 May 2026. Most recent open-market trade: sold $665K of RDN on 29 October 2025. Lifetime open-market sales: $4.13M.
Recent Transactions
12Every recent SEC Form 4 transaction Richard G. Thornberry has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Richard G. Thornberry go back to 2024: 8 primary Form 4 filings, an average of 2.7 per year. 3 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 Richard G. Thornberry 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.
- Michael S. Weinbach - $5.77M of RDN open-market activity in the last 12 months
- Edward J. Hoffman - $2.79M of RDN open-market activity in the last 12 months
- Eric Ray - $497K of RDN open-market activity in the last 12 months
- Howard Bernard Culang - $311K of RDN open-market activity in the last 12 months
- Noel Joseph Spiegel - $175K of RDN open-market activity in the last 12 months
- Margaret Anne Leyden - $72K of RDN 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 Richard G. Thornberry?
Richard G. Thornberry is a corporate insider, tracked as Chief Executive Officer, Director of RADIAN GROUP INC (RDN). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Richard G. Thornberry last file a Form 4?
The most recent primary Form 4 on record is dated 26 May 2026, one of 8 filings going back to 2024.
Has Richard G. Thornberry been buying or selling stock?
Recorded transactions: 0 open-market purchases and 6 open-market sales ($4.13M) across all tracked filings.
Where can I see all of Richard G. Thornberry'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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