Summary
Updated Aug 31, 2026
Keith Conan Costello is EVP & Chief Operating Officer of Rimini Street, Inc. (RMNI). 1 SEC Form 4 filing on record, dated 17 August 2026.
Trading Pattern
InsiderAlpha's records for Keith Conan Costello go back to 2026: 1 primary Form 4 filing, an average of 1.0 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 Keith Conan Costello 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 L. Perica - $932K of RMNI open-market activity in the last 12 months
- Seth A. Ravin - $799K of RMNI open-market activity in the last 12 months
- David W. Rowe - $123K of RMNI open-market activity in the last 12 months
- Steven Hershkowitz - $115K of RMNI open-market activity in the last 12 months
- Kevin Maddock - $101K of RMNI open-market activity in the last 12 months
- Nancy Lyskawa - $80K of RMNI 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 Keith Conan Costello?
Keith Conan Costello is a corporate insider, tracked as EVP & Chief Operating Officer of Rimini Street, Inc. (RMNI). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Keith Conan Costello submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Keith Conan Costello'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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