Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Michael P. Garthwaite 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.
- Richard D. Kinder - $25.96M of KMI open-market activity in the last 12 months
- John W. Schlosser - $1.70M of KMI open-market activity in the last 12 months
- Kevin P. Grahmann - $659K of KMI open-market activity in the last 12 months
- David Patrick Michels - $600K of KMI open-market activity in the last 12 months
- Anthony B. Ashley - $256K of KMI open-market activity in the last 12 months
- Amy W. Chronis - $112K of KMI 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 P. Garthwaite?
Michael P. Garthwaite is a corporate insider, tracked as VP (Pres., Products Pipelines) of KINDER MORGAN, INC. (KMI). InsiderAlpha holds 7 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 Michael P. Garthwaite submitted recently?
4 primary Form 4 filings in the last 90 days, covering 1 company.
Has Michael P. Garthwaite been buying or selling stock?
Recorded transactions: 0 open-market purchases and 6 open-market sales ($303K) across all tracked filings.
Where can I see all of Michael P. Garthwaite'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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