John Jefferies
Chief Medical Officer · DAXOR CORP
IndividualBuying only
- 2025
- Sep 1, 2026
- 3
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies John Jefferies 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.
- Robert J. Michel - $10K in DXR purchases and sales in the last 12 months
- Michael Richard Feldschuh - $9K in DXR purchases and sales in the last 12 months
- Jonathan Adam Feldschuh - DXR
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Frequently asked questions
Who is John Jefferies?
John Jefferies is a corporate insider, tracked as Chief Medical Officer of DAXOR CORP (DXR). InsiderAlpha holds 3 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 John Jefferies submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has John Jefferies been buying or selling stock?
Recorded transactions: 3 open-market purchases and 0 open-market sales across all tracked filings.
