Summary
Updated Aug 30, 2026
Den Born Simon van is President of Marex Group Ltd (MRX). 4 SEC Form 4 filings on record, most recently on 21 August 2026. Most recent open-market trade: sold $33K of MRX on 22 April 2026. Lifetime open-market sales: $1.25M.
Recent Transactions
6Every recent SEC Form 4 transaction Den Born Simon 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 Den Born Simon 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.
- Paolo Tonucci - $4.92M of MRX open-market activity in the last 12 months
- Ian T. Lowitt - $4.71M of MRX open-market activity in the last 12 months
- Thomas Texier - $1.48M of MRX open-market activity in the last 12 months
- Rob Irvin - $263K of MRX 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 Den Born Simon van?
Den Born Simon van is a corporate insider, tracked as President of Marex Group Ltd (MRX). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Den Born Simon van submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Den Born Simon van been buying or selling stock?
Recorded transactions: 0 open-market purchases and 4 open-market sales ($1.25M) across all tracked filings.
Where can I see all of Den Born Simon 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.
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