Insiders who reported open-market trades in the last 12 months at the companies Genderen Mark van 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.
Jon J. Sisulak - $42K in PLOW purchases and sales in the last 12 months
Genderen Mark van is a corporate insider, tracked as President & CEO of DOUGLAS DYNAMICS, INC (PLOW). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Genderen Mark van last file a Form 4?
The most recent primary Form 4 on record is dated 11 March 2026, one of 3 filings going back to 2024.
Has Genderen Mark van been buying or selling stock?
Recorded transactions: 1 open-market purchase ($115K) and 0 open-market sales across all tracked filings.
Genderen Mark van is President & CEO of DOUGLAS DYNAMICS, INC (PLOW). 3 SEC Form 4 filings on record going back to 2024, most recently on 11 March 2026. Most recent open-market trade: bought $115K of PLOW on 5 November 2024. Lifetime open-market purchases: $115K.
Recent transactions
3
The latest 3 SEC Form 4 transactions reported by Genderen Mark van.
InsiderAlpha's records for Genderen Mark van go back to 2024: 3 primary Form 4 filings, an average of 1.0 per year. The typical open-market purchase is $115K (1 buy totaling $115K). The largest single buy on record is $115K of PLOW in 2024. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
