Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies John B. Williamson 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.
- Robert B. Johnston - $17K of RGCO open-market activity in the last 12 months
- Thomas Patrick Furcron - $3K of RGCO open-market activity in the last 12 months
- Lawrence T. Oliver - $2K of RGCO open-market activity in the last 12 months
- Christen Brooke Miles - $1K of RGCO 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 John B. Williamson III?
John B. Williamson III is a corporate insider, tracked as Director of RGC RESOURCES INC (RGCO). InsiderAlpha holds 11 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did John B. Williamson III last file a Form 4?
The most recent primary Form 4 on record is dated 5 November 2025, one of 11 filings going back to 2024.
Where can I see all of John B. Williamson 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.
Learn More
Follow John B. Williamson III and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial
