No other insider has filed at Mark Keith Holdsworth's companies, so these are insiders reporting open-market trades at other companies in the same sector.
SPT Holding Sarl - $206.64M in FLNC purchases and sales in the last 12 months
Alexis Le-Quoc - $196.42M in DDOG purchases and sales in the last 12 months
Gang Ye - $194.54M in SE purchases and sales in the last 12 months
Sean Lie - $193.79M in CBRS purchases and sales in the last 12 months
John Colgrove - $193.25M in P purchases and sales in the last 12 months
Peter A. Feld - $192.29M in QRVO purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Mark Keith Holdsworth is a corporate insider, tracked as Director of R F INDUSTRIES LTD (RFIL). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Mark Keith Holdsworth submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Mark Keith Holdsworth been buying or selling stock?
Recorded transactions: 9 open-market purchases ($672K) and 0 open-market sales across all tracked filings.
Mark Keith Holdsworth is Director of R F INDUSTRIES LTD (RFIL). 8 SEC Form 4 filings on record going back to 2024, most recently on 15 September 2026. Most recent open-market trade: bought $348K of PSN on 13 May 2026. Lifetime open-market purchases: $672K.
Recent transactions
13
The latest 13 SEC Form 4 transactions reported by Mark Keith Holdsworth.
InsiderAlpha's records for Mark Keith Holdsworth go back to 2024: 8 primary Form 4 filings, an average of 2.7 per year. The typical open-market purchase is $75K (9 buys totaling $672K). The largest single buy on record is $348K of PSN in 2026. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
