Summary
Latest filing:
Mark Lawrence Vorsatz is Chairman and Chief Executive Officer of Andersen Group Inc. (ANDG). 1 SEC Form 4 filing on record, dated 4 February 2026.
Trading Pattern
InsiderAlpha's records for Mark Lawrence Vorsatz go back to 2026: 1 primary Form 4 filing, an average of 1.0 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Mark Lawrence Vorsatz 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.
- Durable Capital Partners LP - $20.93M of ANDG open-market activity in the last 12 months
- Robert V. Gunderson Jr. - $287K of ANDG open-market activity in the last 12 months
- John R. Joyce - $167K of ANDG open-market activity in the last 12 months
- John Nicolai - $152K of ANDG open-market activity in the last 12 months
- Ronald L. Olson - $126K of ANDG 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 Mark Lawrence Vorsatz?
Mark Lawrence Vorsatz is a corporate insider, tracked as Chairman and Chief Executive Officer of Andersen Group Inc. (ANDG). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Mark Lawrence Vorsatz last file a Form 4?
The only primary Form 4 on record is dated 4 February 2026.
Where can I see all of Mark Lawrence Vorsatz'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 Mark Lawrence Vorsatz 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