Summary
Updated Aug 31, 2026
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
3Every recent SEC Form 4 transaction Genderen Mark van has reported, most recent first.
Other Insiders Active in the Same Stocks
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 of PLOW open-market activity in the last 12 months
- Christopher E. Bernauer - $37K of PLOW 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 Genderen Mark van?
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.
Where can I see all of Genderen Mark van'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 Genderen Mark van 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
