Summary
Latest filing:
Joseph J. Hartnett files SEC Form 4 reports at GARMIN LTD (GRMN). 2 SEC Form 4 filings on record going back to 2025, most recently on 9 June 2026. Most recent open-market trade: sold $169K of GRMN on 9 June 2026. Lifetime open-market sales: $169K.
Recent Transactions
5Every recent SEC Form 4 transaction Joseph J. Hartnett has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Joseph J. Hartnett 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.
- Clifton A. Pemble - $8.37M of GRMN open-market activity in the last 12 months
- Cheng-Wei Wang - $2.98M of GRMN open-market activity in the last 12 months
- Patrick Desbois - $2.46M of GRMN open-market activity in the last 12 months
- Douglas G. Boessen - $1.97M of GRMN open-market activity in the last 12 months
- Matthew Munn - $1.32M of GRMN open-market activity in the last 12 months
- Susan Lyman - $956K of GRMN 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 Joseph J. Hartnett?
Joseph J. Hartnett is a corporate insider of GARMIN LTD (GRMN). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Joseph J. Hartnett last file a Form 4?
The most recent primary Form 4 on record is dated 9 June 2026, one of 2 filings going back to 2025.
Has Joseph J. Hartnett been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($169K) across all tracked filings.
Where can I see all of Joseph J. Hartnett'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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