Summary
Updated Aug 31, 2026
Matthew S. Mazza is Chief Trust Officer of APPFOLIO INC (APPF). 5 SEC Form 4 filings on record going back to 2024, most recently on 15 September 2025. Most recent open-market trade: sold $453K of APPF on 15 September 2025. Lifetime open-market sales: $3.47M.
Recent Transactions
20Every recent SEC Form 4 transaction Matthew S. Mazza has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Matthew S. Mazza go back to 2024: 5 primary Form 4 filings, an average of 1.7 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 Matthew S. Mazza 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.
- Maurice J. Duca - $28.04M of APPF open-market activity in the last 12 months
- William Shane Trigg - $4.21M of APPF open-market activity in the last 12 months
- Janet Kerr - $713K of APPF open-market activity in the last 12 months
- Timothy Mathias Eaton - $607K of APPF open-market activity in the last 12 months
- Evan Pickering - $409K of APPF open-market activity in the last 12 months
- Elizabeth Erin Barat - $313K of APPF 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 Matthew S. Mazza?
Matthew S. Mazza is a corporate insider, tracked as Chief Trust Officer of APPFOLIO INC (APPF). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Matthew S. Mazza last file a Form 4?
The most recent primary Form 4 on record is dated 15 September 2025, one of 5 filings going back to 2024.
Has Matthew S. Mazza been buying or selling stock?
Recorded transactions: 0 open-market purchases and 12 open-market sales ($3.47M) across all tracked filings.
Where can I see all of Matthew S. Mazza'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 Matthew S. Mazza 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