🕵️ Northfield Bancorp, Inc. ($NFBK)
SEC insider & ownership activity, last 12 months · CIK 1493225 · every row links its SEC filing
Over the last 12 months insiders bought $230K with no open-market selling against it. Stahlin Paul bought $132K in discretionary trades (Mar). Blackrock, Inc. trimmed 11.6% → 7.3%. One red-flag 8-K in the window: Delisting notice (3.01), Jul 20, 2026.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
2 buyers, $230K (2 lots) · 0 sellers, $0 (0 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Stahlin Paul | 1 | $132K | 0 | – | Mar 17, 2026 |
| Fasanella David | 1 | $98K | 0 | – | Mar 19, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Blackrock, Inc. | 7.3% | 13G | Apr 17, 2025 | filing ↗ | |
| Blackrock Portfolio Management LLC | 6.2% | 13G | Apr 21, 2025 | filing ↗ | |
| Dimensional Fund Advisors LP | 6.1% | 13G | Jan 21, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Acquisition or disposition (2.01) | Jul 20, 2026 | filing ↗ |
| Delisting notice (3.01) | Jul 20, 2026 | filing ↗ |
| Material Modifications to Rights of Security Holders (3.03) | Jul 20, 2026 | filing ↗ |
| Change of control (5.01) | Jul 20, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jul 20, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Jul 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 20, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 25, 2026 | filing ↗ |
| Earnings (2.02) | Apr 20, 2026 | filing ↗ |
| Other events (8.01) | Apr 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 20, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 9, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 4, 2026 | filing ↗ |
| Earnings (2.02) | Feb 2, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 2, 2026 | filing ↗ |
| Material agreement (1.01) | Jan 31, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 31, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 31, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 31, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Nov 10, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 10, 2025 | filing ↗ |
| Earnings (2.02) | Oct 22, 2025 | filing ↗ |
| Other events (8.01) | Oct 22, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 22, 2025 | filing ↗ |