Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies James G. Dempsey 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.
- Group Holdings - Frontier LLC - $84.24M of ULCC open-market activity in the last 12 months
- Barry Biffle - $3.55M of ULCC open-market activity in the last 12 months
- Trevor J. Stedke - $1.79M of ULCC open-market activity in the last 12 months
- Mark Christopher Mitchell - $1.01M of ULCC open-market activity in the last 12 months
- Howard Diamond - $726K of ULCC open-market activity in the last 12 months
- Steve Schuller - $226K of ULCC 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 James G. Dempsey?
James G. Dempsey is a corporate insider, tracked as President & CEO of Frontier Group Holdings, Inc. (ULCC). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did James G. Dempsey last file a Form 4?
The most recent primary Form 4 on record is dated 10 February 2026, one of 6 filings going back to 2024.
Where can I see all of James G. Dempsey'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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