NFBK insider buying
2 cluster buysNorthfield Bancorp, Inc. · Financials
When two or more insiders at Northfield Bancorp, Inc. buy NFBK on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in NFBK plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Mar 17 – Mar 19, 2026Detected Mar 19, 2026High conviction2 insidersTotal bought$229.9KMarket cap$618.5M
- May 2 – Jun 13, 2024Detected Jun 13, 2024High conviction9 insidersTotal bought$598.3KMarket cap$618.5M
All notable open-market buys in NFBK
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Mar 19, 2026 | Fasanella Davidcluster EVP | 7,500 | $13.07 | $98.0K | SEC ↗ |
| Mar 17, 2026 | Stahlin Paulcluster Director | 10,000 | $13.19 | $131.9K | SEC ↗ |
| Jun 13, 2024 | Kulkarni Rachana Acluster Director | 10,000 | $7.92 | $79.2K | SEC ↗ |
| Jun 13, 2024 | Fasanella Davidcluster EVP | 1,000 | $7.79 | $7.8K | SEC ↗ |
| Jun 12, 2024 | CATINO ANNETTEcluster Director | 15,000 | $8.10 | $121.5K | SEC ↗ |
| Jun 12, 2024 | Harrison Timothy Ccluster Director | 10,000 | $8.16 | $81.6K | SEC ↗ |
| Jun 12, 2024 | Patafio Frank P.cluster Director | 10,000 | $8.14 | $81.4K | SEC ↗ |
| Jun 11, 2024 | Klein Steven Mcluster Director, Chairman, President & CEO | 11,061 | $7.56 | $83.6K | SEC ↗ |
| Jun 11, 2024 | Connors John P Jrcluster Director | 6,500 | $7.52 | $48.9K | SEC ↗ |
| Jun 11, 2024 | Jacobs William R.cluster EVP & PAO | 1,000 | $7.55 | $7.6K | SEC ↗ |
| Jun 10, 2024 | Ryan Patrick Louiscluster Director | 10,000 | $7.53 | $75.3K | SEC ↗ |
| May 2, 2024 | Harrison Timothy Ccluster Director | 1,290 | $8.89 | $11.5K | SEC ↗ |
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NFBK insider buying — FAQ
- Are insiders buying NFBK stock?
- Yes — 10 distinct insiders have bought NFBK (Northfield Bancorp, Inc.) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Mar 20, 2026.
- How much NFBK stock have insiders bought?
- Insiders have bought a combined $828.2K of NFBK across 12 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in NFBK?
- A cluster buy is two or more distinct Northfield Bancorp, Inc. insiders — officers, directors, or 10% owners — each buying NFBK on the open market within a rolling window. NFBK has 2 detected cluster buys to date.
- Where does this NFBK insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in NFBK
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy NFBK within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding NFBK.