Summary
Updated Aug 31, 2026
Michael C. Keller is Director of Guidewire Software, Inc. (GWRE). 4 SEC Form 4 filings on record going back to 2024, most recently on 16 December 2025. Most recent open-market trade: sold $239K of GWRE on 24 June 2025. Lifetime open-market sales: $695K.
Recent Transactions
5Every recent SEC Form 4 transaction Michael C. Keller has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Michael C. Keller go back to 2024: 4 primary Form 4 filings, an average of 1.3 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 Michael C. Keller 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 George Rosenbaum - $19.15M of GWRE open-market activity in the last 12 months
- John P. Mullen - $14.11M of GWRE open-market activity in the last 12 months
- Jeffrey Elliott Cooper - $6.86M of GWRE open-market activity in the last 12 months
- James Winston King - $4.39M of GWRE open-market activity in the last 12 months
- David Franklin Peterson - $1.26M of GWRE open-market activity in the last 12 months
- David S. Bauer - $115K of GWRE 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 Michael C. Keller?
Michael C. Keller is a corporate insider, tracked as Director of Guidewire Software, Inc. (GWRE). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Michael C. Keller last file a Form 4?
The most recent primary Form 4 on record is dated 16 December 2025, one of 4 filings going back to 2024.
Has Michael C. Keller been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($695K) across all tracked filings.
Where can I see all of Michael C. Keller'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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