Insiders who reported open-market trades in the last 12 months at the companies Mark Jeffery Penn 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.
Bradley J. Gross - $13.07M in STGW purchases and sales in the last 12 months
Frank P. Lanuto - $525K in STGW purchases and sales in the last 12 months
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Mark Jeffery Penn is a corporate insider, tracked as Chief Executive Officer, Director, 10% Owner of Stagwell Inc (STGW). InsiderAlpha holds 8 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 Mark Jeffery Penn submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Mark Jeffery Penn been buying or selling stock?
Recorded transactions: 1 open-market purchase ($118K) and 0 open-market sales across all tracked filings.
Mark Jeffery Penn is Chief Executive Officer, Director, 10% Owner of Stagwell Inc (STGW). 8 SEC Form 4 filings on record going back to 2025, most recently on 12 August 2026. Most recent open-market trade: bought $118K of STGW on 13 May 2026. Lifetime open-market purchases: $118K.
Recent transactions
11
The latest 11 SEC Form 4 transactions reported by Mark Jeffery Penn.
InsiderAlpha's records for Mark Jeffery Penn go back to 2025: 8 primary Form 4 filings, an average of 4.0 per year. The typical open-market purchase is $118K (1 buy totaling $118K). The largest single buy on record is $118K of STGW 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.
