Summary
Updated Aug 30, 2026
Nathaniel H. Colson is Officer EVP, CFO & CRO of MGIC INVESTMENT CORP (MTG). 5 SEC Form 4 filings on record, most recently on 26 June 2026. Most recent open-market trade: sold $542K of MTG on 26 June 2026. Lifetime open-market sales: $542K.
Recent Transactions
5Every recent SEC Form 4 transaction Nathaniel H. Colson has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Nathaniel H. Colson go back to 2026: 5 primary Form 4 filings, an average of 5.0 per year. 1 recorded transaction carries a Rule 10b5-1 flag, meaning it was 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 Nathaniel H. Colson 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.
- Timothy J. Mattke - $15.33M of MTG open-market activity in the last 12 months
- Salvatore A. Miosi - $7.77M of MTG open-market activity in the last 12 months
- Paula C. Maggio - $2.24M of MTG 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 Nathaniel H. Colson?
Nathaniel H. Colson is a corporate insider, tracked as Officer EVP, CFO & CRO of MGIC INVESTMENT CORP (MTG). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Nathaniel H. Colson submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Nathaniel H. Colson been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($542K) across all tracked filings.
Where can I see all of Nathaniel H. Colson'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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