Summary
Updated Aug 31, 2026
Judith Fran Marks is Director of CATERPILLAR INC (CAT). 3 SEC Form 4 filings on record, most recently on 11 June 2026. Most recent open-market trade: sold $5.10M of OTIS on 6 February 2026. Lifetime open-market sales: $9.29M.
Recent Transactions
13Every recent SEC Form 4 transaction Judith Fran Marks has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Judith Fran Marks go back to 2026: 3 primary Form 4 filings, an average of 3.0 per year. 11 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Judith Fran Marks 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.
- Lange Bob de - $69.14M of CAT open-market activity in the last 12 months
- Anthony D. Fassino - $45.82M of CAT open-market activity in the last 12 months
- Denise C. Johnson - $43.74M of CAT open-market activity in the last 12 months
- Iii Donald J. Umpleby - $23.70M of CAT open-market activity in the last 12 months
- Andrew R. J. Bonfield - $20.11M of CAT open-market activity in the last 12 months
- Jason Kaiser - $11.02M of CAT 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 Judith Fran Marks?
Judith Fran Marks is a corporate insider, tracked as Director of CATERPILLAR INC (CAT). InsiderAlpha holds 3 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 Judith Fran Marks submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Judith Fran Marks been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($9.29M) across all tracked filings.
Where can I see all of Judith Fran Marks'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 Judith Fran Marks 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