Summary
Updated Aug 31, 2026
Catherine Corrigan is Chief Executive Officer, Director of EXPONENT INC (EXPO). 18 SEC Form 4 filings on record going back to 2024, most recently on 19 August 2026. Most recent open-market trade: sold $113K of EXPO on 19 August 2026. Lifetime open-market sales: $3.19M.
Recent Transactions
20Every recent SEC Form 4 transaction Catherine Corrigan has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Catherine Corrigan go back to 2024: 18 primary Form 4 filings, an average of 6.0 per year. 54 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 Catherine Corrigan 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.
- John Pye - $304K of EXPO open-market activity in the last 12 months
- Joseph Rakow - $161K of EXPO open-market activity in the last 12 months
- Joseph Sala - $117K of EXPO open-market activity in the last 12 months
- Bradley A. James - $115K of EXPO open-market activity in the last 12 months
- Richard Reiss - $98K of EXPO 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 Catherine Corrigan?
Catherine Corrigan is a corporate insider, tracked as Chief Executive Officer, Director of EXPONENT INC (EXPO). InsiderAlpha holds 18 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Catherine Corrigan submitted recently?
5 primary Form 4 filings in the last 90 days, covering 1 company.
Has Catherine Corrigan been buying or selling stock?
Recorded transactions: 0 open-market purchases and 22 open-market sales ($3.19M) across all tracked filings.
Where can I see all of Catherine Corrigan'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 Catherine Corrigan 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