Summary
Updated Aug 30, 2026
Margaret M. Fitzpatrick files SEC Form 4 reports at AN2 Therapeutics, Inc. (ANTX). 3 SEC Form 4 filings on record going back to 2025, most recently on 23 March 2026.
Trading Pattern
InsiderAlpha's records for Margaret M. Fitzpatrick go back to 2025: 3 primary Form 4 filings, an average of 1.5 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Margaret M. Fitzpatrick 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.
- Robin Shane Readnour - $213K of ANTX open-market activity in the last 12 months
- Joshua M. Eizen - $53K of ANTX open-market activity in the last 12 months
- Sanjay Chanda - $9K of ANTX open-market activity in the last 12 months
- Lucy Day - $9K of ANTX open-market activity in the last 12 months
- Stephen David Prior - $7K of ANTX open-market activity in the last 12 months
- Sarah Joanne Williams - $2K of ANTX 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 Margaret M. Fitzpatrick?
Margaret M. Fitzpatrick is a corporate insider of AN2 Therapeutics, Inc. (ANTX). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Margaret M. Fitzpatrick 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.
Where can I see all of Margaret M. Fitzpatrick'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 Margaret M. Fitzpatrick 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