Summary
Updated Aug 30, 2026
Katherine S. Zanotti files SEC Form 4 reports at EXACT SCIENCES CORP (EXAS). 3 SEC Form 4 filings on record going back to 2025, most recently on 23 March 2026. Most recent open-market trade: sold $780K of EXAS on 27 October 2025. Lifetime open-market sales: $951K.
Recent Transactions
5Every recent SEC Form 4 transaction Katherine S. Zanotti 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 Katherine S. Zanotti 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.
- Jacob A. Orville - $375K of EXAS open-market activity in the last 12 months
- James Herriott - $265K of EXAS open-market activity in the last 12 months
- Brian Baranick - $200K of EXAS open-market activity in the last 12 months
- James Edward Doyle - $120K of EXAS 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 Katherine S. Zanotti?
Katherine S. Zanotti is a corporate insider of EXACT SCIENCES CORP (EXAS). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Katherine S. Zanotti last file a Form 4?
The most recent primary Form 4 on record is dated 23 March 2026, one of 3 filings going back to 2025.
Has Katherine S. Zanotti been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($951K) across all tracked filings.
Where can I see all of Katherine S. Zanotti'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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