Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Glenn Grindstaff 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.
- Deepak Chopra - $21.29M of OSIS open-market activity in the last 12 months
- Paul Keith Morben - $512K of OSIS open-market activity in the last 12 months
- James B. Hawkins - $425K of OSIS open-market activity in the last 12 months
- William Francis Ballhaus Jr. - $134K of OSIS 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 Glenn Grindstaff?
Glenn Grindstaff is a corporate insider, tracked as CHIEF HUMAN RESOURCES OFFICER of OSI SYSTEMS INC (OSIS). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Glenn Grindstaff submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has Glenn Grindstaff been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($155K) across all tracked filings.
Where can I see all of Glenn Grindstaff'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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