Summary
Updated Aug 31, 2026
Matthew Paul Duffy is President Chief Risk Officer of Neptune Insurance Holdings Inc. (NP). 1 SEC Form 4 filing on record, dated 2 October 2025.
Recent Transactions
3Every recent SEC Form 4 transaction Matthew Paul Duffy has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Matthew Paul Duffy go back to 2025: 1 primary Form 4 filing, an average of 0.5 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 Matthew Paul Duffy 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.
- FTV VII, L.P. - $234.21M of NP open-market activity in the last 12 months
- BSIV Hold 101, LP - $208.93M of NP open-market activity in the last 12 months
- James Steiner - $5.52M of NP open-market activity in the last 12 months
- Trevor R. Burgess - $1.94M of NP open-market activity in the last 12 months
- Michael Warren Vostrizansky - $494K of NP open-market activity in the last 12 months
- Jonathan Winant Carlon - $100K of NP 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 Paul Duffy?
Matthew Paul Duffy is a corporate insider, tracked as President Chief Risk Officer of Neptune Insurance Holdings Inc. (NP). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Matthew Paul Duffy last file a Form 4?
The only primary Form 4 on record is dated 2 October 2025.
Where can I see all of Matthew Paul Duffy'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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