Summary
Updated Aug 30, 2026
William James Farrell III is Director of PRO DEX INC (PDEX). 2 SEC Form 4 filings on record going back to 2024, most recently on 21 November 2025.
Recent Transactions
2Every recent SEC Form 4 transaction William James Farrell III 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 William James Farrell III 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.
- Kirk Richard Lee van Jr. - $626K of PDEX open-market activity in the last 12 months
- Angelita Rebamontan Domingo - $47K of PDEX 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 William James Farrell III?
William James Farrell III is a corporate insider, tracked as Director of PRO DEX INC (PDEX). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did William James Farrell III last file a Form 4?
The most recent primary Form 4 on record is dated 21 November 2025, one of 2 filings going back to 2024.
Where can I see all of William James Farrell III'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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