Summary
Updated Aug 30, 2026
Sheryl Lynn Cefali is Director of R F INDUSTRIES LTD (RFIL). 1 SEC Form 4 filing on record, dated 10 September 2025.
Recent Transactions
1Every recent SEC Form 4 transaction Sheryl Lynn Cefali has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who have reported open-market trades at the same companies as Sheryl Lynn Cefali. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Mark Keith Holdsworth - $160K of RFIL open-market activity on record
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Sheryl Lynn Cefali?
Sheryl Lynn Cefali is a corporate insider, tracked as Director of R F INDUSTRIES LTD (RFIL). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Sheryl Lynn Cefali last file a Form 4?
The only primary Form 4 on record is dated 10 September 2025.
Where can I see all of Sheryl Lynn Cefali'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 Sheryl Lynn Cefali 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