Northfield Bancorp Inc (NFBK)

The most recent insider trading activity at Northfield Bancorp Inc. occurred in March 2026, featuring two buy transactions by executives David Fasanella and Paul Stahlin. These purchases totaled 17,500 shares. Prior to these acquisitions, insider activity consisted primarily of sales throughout 2024 and 2025. No insider transactions have been reported in the last three months.
Ticker: NFBK Exchange: NSM


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Insider trades have triggered activity signals for Northfield Bancorp Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.6
Fasanella David EVP Officer
Transaction date
Purchase
Price
144.03
Quantity 1,558 -3.7%
Value US$3,207,039
3.1
Stahlin Paul Non-Executive Director
Transaction date
Purchase
Price
60.11
Quantity 37,261 -25.6%
Value US$4,293,749
3.1
Stahlin Paul Director Non-Executive Director
Transaction date
Proposed sale
Price
201.96
Quantity 95,517
Value US$4,350,923
3.1
Stahlin Paul Non-Executive Director
Transaction date
Sale
Price
11.66
Quantity 4,769 -9.7%
Value US$55,607
3.1
Stahlin Paul Non-Executive Director
Transaction date
Sale
Price
11.66
Quantity 3,231 -6.2%
Value US$37,673
3.1
Stahlin Paul Director Non-Executive Director
Transaction date
Proposed sale
Price
11.66
Quantity 3,231
Value US$37,673
3.0
Patafio Frank P. Non-Executive Director
Transaction date
Sale
Price
10.13
Quantity 5,000 -3.3%
Value US$50,664
3.4
Chapman Gil Non-Executive Director
Transaction date
Sale
Price
11.89
Quantity 11,000 -18.6%
Value US$130,790
3.4
Chapman Gil Director Non-Executive Director
Transaction date
Proposed sale
Price
11.89
Quantity 11,000
Value US$130,804
3.3
CATINO ANNETTE Non-Executive Director
Transaction date
Sale
Price
13.21
Quantity 296 -0.1%
Value US$3,910
3.3
CATINO ANNETTE Non-Executive Director
Transaction date
Sale
Price
13.12
Quantity 22,000 -8.9%
Value US$288,640
3.6
Fasanella David EVP Officer
Transaction date
Purchase
Price
7.79
Quantity 1,000 +33.3%
Value US$7,790
3.3
Kulkarni Rachana A Non-Executive Director
Transaction date
Purchase
Price
7.92
Quantity 10,000 +246.5%
Value US$79,221
3.6
Harrison Timothy C Non-Executive Director
Transaction date
Purchase
Price
8.16
Quantity 10,000 +14.8%
Value US$81,564
3.3
CATINO ANNETTE Non-Executive Director
Transaction date
Purchase
Price
8.10
Quantity 15,000 +250.0%
Value US$121,490
3.0
Patafio Frank P. Non-Executive Director
Transaction date
Purchase
Price
8.14
Quantity 10,000 +7.2%
Value US$81,400
3.2
Klein Steven M Chairman, President & CEO Executive Director
Transaction date
Purchase
Price
7.56
Quantity 11,061 +2.4%
Value US$83,621
3.1
Connors John P Jr Non-Executive Director
Transaction date
Purchase
Price
7.52
Quantity 6,500 +4.1%
Value US$48,896
3.0
Jacobs William R. EVP & PAO Officer
Transaction date
Purchase
Price
7.55
Quantity 1,000 +1.5%
Value US$7,550
3.3
Ryan Patrick Louis Non-Executive Director
Transaction date
Purchase
Price
7.53
Quantity 10,000 +50.0%
Value US$75,330
3.6
Harrison Timothy C Non-Executive Director
Transaction date
Purchase
Price
8.89
Quantity 1,290 +1.9%
Value US$11,468
3.3
Ryan Patrick Louis Non-Executive Director
Transaction date
Purchase
Price
9.92
Quantity 10,000 +21.6%
Value US$99,207
3.0
Jacobs William R. EVP & PAO Officer
Transaction date
Sale
Price
14.66
Quantity 233 -0.4%
Value US$3,417
3.6
Fasanella David EVP Officer
Transaction date
Sale
Price
14.66
Quantity 219 -0.6%
Value US$3,211
3.2
Klein Steven M Chairman, President & CEO Executive Director
Transaction date
Sale
Price
14.67
Quantity 486 -0.1%
Value US$7,128
3.0
Lefkowitz Robin EVP Officer
Transaction date
Sale
Price
14.66
Quantity 194 -1.3%
Value US$2,844
3.0
Patafio Frank P. Non-Executive Director
Transaction date
Sale
Price
14.60
Quantity 3,400 -1.7%
Value US$49,632
3.2
Klein Steven M Chairman, President & CEO Executive Director
Transaction date
Sale
Price
14.55
Quantity 2,158 -0.5%
Value US$31,389
3.6
Fasanella David EVP Officer
Transaction date
Sale
Price
14.55
Quantity 883 -2.2%
Value US$12,844
3.0
Lefkowitz Robin EVP Officer
Transaction date
Sale
Price
14.55
Quantity 907 -5.8%
Value US$13,194
3.0
Jacobs William R. EVP & PAO Officer
Transaction date
Sale
Price
14.55
Quantity 940 -1.6%
Value US$13,676
3.4
Chapman Gil Non-Executive Director
Transaction date
Sale
Price
14.52
Quantity 4,800 -8.7%
Value US$69,689
3.1
Connors John P Jr Non-Executive Director
Transaction date
Sale
Price
16.03
Quantity 6,324 -4.1%
Value US$101,346
3.0
Patafio Frank P. Non-Executive Director
Transaction date
Sale
Price
15.86
Quantity 40,516 -16.8%
Value US$642,782
3.1
Connors John P Jr Non-Executive Director
Transaction date
Purchase
Price
14.88
Quantity 4,000 +2.8%
Value US$59,517
3.3
Ryan Patrick Louis Non-Executive Director
Transaction date
Sale
Price
14.91
Quantity 8,765 -30.5%
Value US$130,688
3.3
Ryan Patrick Louis Non-Executive Director
Transaction date
Sale
Price
14.83
Quantity 3,500 -7.2%
Value US$51,899
3.2
Klein Steven M Chairman, President & CEO Executive Director
Transaction date
Purchase
Price
14.88
Quantity 3,751 +0.9%
Value US$55,800
3.4
Chapman Gil Non-Executive Director
Transaction date
Sale
Price
15.03
Quantity 3,100 -5.7%
Value US$46,584
3.0
Lefkowitz Robin EVP Officer
Transaction date
Sale
Price
15.70
Quantity 191 -1.7%
Value US$2,999
3.0
Jacobs William R. EVP & PAO Officer
Transaction date
Sale
Price
15.70
Quantity 230 -0.4%
Value US$3,612
3.0
Lefkowitz Robin EVP Officer
Transaction date
Sale
Price
15.55
Quantity 382 -3.3%
Value US$5,940
3.0
Jacobs William R. EVP & PAO Officer
Transaction date
Sale
Price
15.55
Quantity 396 -0.7%
Value US$6,158
3.6
Fasanella David EVP Officer
Transaction date
Purchase
Price
15.49
Quantity 1,000 +50.0%
Value US$15,486
3.0
Lefkowitz Robin EVP Officer
Transaction date
Sale
Price
17.44
Quantity 1,743 -17.2%
Value US$30,399
3.0
Lefkowitz Robin EVP Officer
Transaction date
Sale
Price
16.90
Quantity 9,000 -40.7%
Value US$152,090
3.6
Fasanella David EVP Officer
Transaction date
Purchase
Price
16.54
Quantity 1,000 +inf%
Value US$16,538
3.0
Patafio Frank P. Non-Executive Director
Transaction date
Sale
Price
16.80
Quantity 27,000 -12.0%
Value US$453,600
2.4
French Tara L EVP/Chief Risk Officer Officer
Transaction date
Purchase
Price
16.35
Quantity 1,843 +10.3%
Value US$30,133
3.6
Fasanella David EVP Officer
Transaction date
Purchase
Price
15.67
Quantity 1,000 +3.4%
Value US$15,665
3.4
Chapman Gil Non-Executive Director
Transaction date
Sale
Price
13.86
Quantity 2,846 -5.3%
Value US$39,432
3.0
Lefkowitz Robin EVP Officer
Transaction date
Sale
Price
13.34
Quantity 184 -0.8%
Value US$2,455
3.0
Jacobs William R. EVP & PAO Officer
Transaction date
Sale
Price
13.33
Quantity 241 -0.5%
Value US$3,213
2.4
French Tara L EVP/Chief Admin. Officer Officer
Transaction date
Sale
Price
13.33
Quantity 227 -1.3%
Value US$3,026
3.6
Fasanella David EVP Officer
Transaction date
Purchase
Price
12.60
Quantity 1,750 +7.6%
Value US$22,050
3.0
Patafio Frank P. Non-Executive Director
Transaction date
Sale
Price
12.15
Quantity 4,000 -2.1%
Value US$48,600
3.6
Fasanella David EVP Officer
Transaction date
Purchase
Price
11.72
Quantity 1,050 +4.8%
Value US$12,304
3.6
Fasanella David EVP Officer
Transaction date
Purchase
Price
9.94
Quantity 200 +1.0%
Value US$1,988
3.2
Klein Steven M President & CEO Executive Director
Transaction date
Purchase
Price
9.80
Quantity 7,500 +2.0%
Value US$73,500
3.3
Ryan Patrick Louis Non-Executive Director
Transaction date
Purchase
Price
9.87
Quantity 2,500 +100.0%
Value US$24,675
3.6
Fasanella David EVP Officer
Transaction date
Purchase
Price
9.75
Quantity 1,125 +5.7%
Value US$10,969
3.1
Connors John P Jr Non-Executive Director
Transaction date
Purchase
Price
9.63
Quantity 1,000 +3.1%
Value US$9,630
3.1
Stahlin Paul Non-Executive Director
Transaction date
Purchase
Price
9.50
Quantity 4,200 +14.7%
Value US$39,900
3.6
Fasanella David EVP Officer
Transaction date
Purchase
Price
9.50
Quantity 1,000 +5.3%
Value US$9,499
3.1
Stahlin Paul Non-Executive Director
Transaction date
Purchase
Price
9.38
Quantity 5,800 +25.4%
Value US$54,387
3.1
Stahlin Paul Non-Executive Director
Transaction date
Purchase
Price
10.27
Quantity 5,000 +28.0%
Value US$51,337
3.3
Ryan Patrick Louis Non-Executive Director
Transaction date
Purchase
Price
10.83
Quantity 2,500 +inf%
Value US$27,068
3.6
Fasanella David EVP Officer
Transaction date
Purchase
Price
10.88
Quantity 1,000 +5.6%
Value US$10,877
2.4
French Tara L EVP/Chief Admin. Officer Officer
Transaction date
Purchase
Price
10.83
Quantity 1,750 +15.0%
Value US$18,952
3.2
Klein Steven M President & CEO Executive Director
Transaction date
Purchase
Price
10.65
Quantity 10,000 +2.7%
Value US$106,500
3.1
Stahlin Paul Non-Executive Director
Transaction date
Purchase
Price
10.97
Quantity 2,000 +12.6%
Value US$21,934
3.1
Stahlin Paul Non-Executive Director
Transaction date
Purchase
Price
10.92
Quantity 8,000 +102.0%
Value US$87,326
3.2
Klein Steven M President & CEO Executive Director
Transaction date
Purchase
Price
11.00
Quantity 9,000 +2.5%
Value US$98,997
3.0
Widmer Michael J EVP Officer
Transaction date
Sale
Price
12.00
Quantity 10,000 -32.3%
Value US$120,000
3.0
Widmer Michael J EVP Officer
Transaction date
Sale
Price
11.78
Quantity 20,000 -39.2%
Value US$235,680
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-03-20 2026-03-19 B Purchase

EVP

Officer
1,558 -3.7%
144.03
US$3,207,039
1,558 -3.7% 144.03 US$3,207,039
2026-03-19 2026-03-17 B Purchase Non-Executive Director
37,261 -25.6%
60.11
US$4,293,749
37,261 -25.6% 60.11 US$4,293,749
2025-06-20 2025-06-20 PrS Proposed sale

Director

Non-Executive Director
95,517
201.96
US$4,350,923
95,517 201.96 US$4,350,923
2025-06-20 2025-06-20 S Sale Non-Executive Director
4,769 -9.7%
11.66
US$55,607
4,769 -9.7% 11.66 US$55,607
2025-06-20 2025-06-18 S Sale Non-Executive Director
3,231 -6.2%
11.66
US$37,673
3,231 -6.2% 11.66 US$37,673
2025-06-18 2025-06-18 PrS Proposed sale

Director

Non-Executive Director
3,231
11.66
US$37,673
3,231 11.66 US$37,673
2025-04-30 2025-04-28 S Sale Non-Executive Director
5,000 -3.3%
10.13
US$50,664
5,000 -3.3% 10.13 US$50,664
2025-02-20 2025-02-19 S Sale Non-Executive Director
11,000 -18.6%
11.89
US$130,790
11,000 -18.6% 11.89 US$130,790
2025-02-19 2025-02-19 PrS Proposed sale

Director

Non-Executive Director
11,000
11.89
US$130,804
11,000 11.89 US$130,804
2024-12-19 2024-12-17 S Sale Non-Executive Director
296 -0.1%
13.21
US$3,910
296 -0.1% 13.21 US$3,910
2024-12-17 2024-12-16 S Sale Non-Executive Director
22,000 -8.9%
13.12
US$288,640
22,000 -8.9% 13.12 US$288,640
2024-06-14 2024-06-13 B Purchase

EVP

Officer
1,000 +33.3%
7.79
US$7,790
1,000 +33.3% 7.79 US$7,790
2024-06-14 2024-06-13 B Purchase Non-Executive Director
10,000 +246.5%
7.92
US$79,221
10,000 +246.5% 7.92 US$79,221
2024-06-14 2024-06-12 B Purchase Non-Executive Director
10,000 +14.8%
8.16
US$81,564
10,000 +14.8% 8.16 US$81,564
2024-06-13 2024-06-12 B Purchase Non-Executive Director
15,000 +250.0%
8.10
US$121,490
15,000 +250.0% 8.10 US$121,490
2024-06-13 2024-06-12 B Purchase Non-Executive Director
10,000 +7.2%
8.14
US$81,400
10,000 +7.2% 8.14 US$81,400
2024-06-13 2024-06-11 B Purchase

Chairman, President & CEO

Executive Director
11,061 +2.4%
7.56
US$83,621
11,061 +2.4% 7.56 US$83,621
2024-06-12 2024-06-11 B Purchase Non-Executive Director
6,500 +4.1%
7.52
US$48,896
6,500 +4.1% 7.52 US$48,896
2024-06-12 2024-06-11 B Purchase

EVP & PAO

Officer
1,000 +1.5%
7.55
US$7,550
1,000 +1.5% 7.55 US$7,550
2024-06-11 2024-06-10 B Purchase Non-Executive Director
10,000 +50.0%
7.53
US$75,330
10,000 +50.0% 7.53 US$75,330
2024-05-03 2024-05-02 B Purchase Non-Executive Director
1,290 +1.9%
8.89
US$11,468
1,290 +1.9% 8.89 US$11,468
2023-09-20 2023-09-19 B Purchase Non-Executive Director
10,000 +21.6%
9.92
US$99,207
10,000 +21.6% 9.92 US$99,207
2023-02-22 2023-02-21 S Sale

EVP & PAO

Officer
233 -0.4%
14.66
US$3,417
233 -0.4% 14.66 US$3,417
2023-02-22 2023-02-21 S Sale

EVP

Officer
219 -0.6%
14.66
US$3,211
219 -0.6% 14.66 US$3,211
2023-02-22 2023-02-21 S Sale

Chairman, President & CEO

Executive Director
486 -0.1%
14.67
US$7,128
486 -0.1% 14.67 US$7,128
2023-02-22 2023-02-21 S Sale

EVP

Officer
194 -1.3%
14.66
US$2,844
194 -1.3% 14.66 US$2,844
2023-02-13 2023-02-13 S Sale Non-Executive Director
3,400 -1.7%
14.60
US$49,632
3,400 -1.7% 14.60 US$49,632
2023-02-03 2023-02-01 S Sale

Chairman, President & CEO

Executive Director
2,158 -0.5%
14.55
US$31,389
2,158 -0.5% 14.55 US$31,389
2023-02-03 2023-02-01 S Sale

EVP

Officer
883 -2.2%
14.55
US$12,844
883 -2.2% 14.55 US$12,844
2023-02-03 2023-02-01 S Sale

EVP

Officer
907 -5.8%
14.55
US$13,194
907 -5.8% 14.55 US$13,194
2023-02-03 2023-02-01 S Sale

EVP & PAO

Officer
940 -1.6%
14.55
US$13,676
940 -1.6% 14.55 US$13,676
2023-01-31 2023-01-30 S Sale Non-Executive Director
4,800 -8.7%
14.52
US$69,689
4,800 -8.7% 14.52 US$69,689
2022-12-05 2022-12-01 S Sale Non-Executive Director
6,324 -4.1%
16.03
US$101,346
6,324 -4.1% 16.03 US$101,346
2022-10-31 2022-10-28 S Sale Non-Executive Director
40,516 -16.8%
15.86
US$642,782
40,516 -16.8% 15.86 US$642,782
2022-08-12 2022-08-11 B Purchase Non-Executive Director
4,000 +2.8%
14.88
US$59,517
4,000 +2.8% 14.88 US$59,517
2022-08-11 2022-08-10 S Sale Non-Executive Director
8,765 -30.5%
14.91
US$130,688
8,765 -30.5% 14.91 US$130,688
2022-08-11 2022-08-10 S Sale Non-Executive Director
3,500 -7.2%
14.83
US$51,899
3,500 -7.2% 14.83 US$51,899
2022-03-11 2022-03-10 B Purchase

Chairman, President & CEO

Executive Director
3,751 +0.9%
14.88
US$55,800
3,751 +0.9% 14.88 US$55,800
2022-03-03 2022-03-01 S Sale Non-Executive Director
3,100 -5.7%
15.03
US$46,584
3,100 -5.7% 15.03 US$46,584
2022-02-23 2022-02-18 S Sale

EVP

Officer
191 -1.7%
15.70
US$2,999
191 -1.7% 15.70 US$2,999
2022-02-23 2022-02-18 S Sale

EVP & PAO

Officer
230 -0.4%
15.70
US$3,612
230 -0.4% 15.70 US$3,612
2022-02-03 2022-02-01 S Sale

EVP

Officer
382 -3.3%
15.55
US$5,940
382 -3.3% 15.55 US$5,940
2022-02-03 2022-02-01 S Sale

EVP & PAO

Officer
396 -0.7%
15.55
US$6,158
396 -0.7% 15.55 US$6,158
2022-02-01 2022-01-31 B Purchase

EVP

Officer
1,000 +50.0%
15.49
US$15,486
1,000 +50.0% 15.49 US$15,486
2021-11-19 2021-11-19 S Sale

EVP

Officer
1,743 -17.2%
17.44
US$30,399
1,743 -17.2% 17.44 US$30,399
2021-08-10 2021-08-06 S Sale

EVP

Officer
9,000 -40.7%
16.90
US$152,090
9,000 -40.7% 16.90 US$152,090
2021-06-17 2021-06-17 B Purchase

EVP

Officer
1,000 +inf%
16.54
US$16,538
1,000 +inf% 16.54 US$16,538
2021-06-17 2021-06-16 S Sale Non-Executive Director
27,000 -12.0%
16.80
US$453,600
27,000 -12.0% 16.80 US$453,600
2021-05-17 2021-05-13 B Purchase

EVP/Chief Risk Officer

Officer
1,843 +10.3%
16.35
US$30,133
1,843 +10.3% 16.35 US$30,133
2021-03-19 2021-03-17 B Purchase

EVP

Officer
1,000 +3.4%
15.67
US$15,665
1,000 +3.4% 15.67 US$15,665
2021-03-02 2021-03-01 S Sale Non-Executive Director
2,846 -5.3%
13.86
US$39,432
2,846 -5.3% 13.86 US$39,432
2021-02-22 2021-02-18 S Sale

EVP

Officer
184 -0.8%
13.34
US$2,455
184 -0.8% 13.34 US$2,455
2021-02-22 2021-02-18 S Sale

EVP & PAO

Officer
241 -0.5%
13.33
US$3,213
241 -0.5% 13.33 US$3,213
2021-02-22 2021-02-18 S Sale

EVP/Chief Admin. Officer

Officer
227 -1.3%
13.33
US$3,026
227 -1.3% 13.33 US$3,026
2021-01-29 2021-01-29 B Purchase

EVP

Officer
1,750 +7.6%
12.60
US$22,050
1,750 +7.6% 12.60 US$22,050
2020-12-16 2020-12-15 S Sale Non-Executive Director
4,000 -2.1%
12.15
US$48,600
4,000 -2.1% 12.15 US$48,600
2020-12-11 2020-12-11 B Purchase

EVP

Officer
1,050 +4.8%
11.72
US$12,304
1,050 +4.8% 11.72 US$12,304
2020-11-05 2020-11-04 B Purchase

EVP

Officer
200 +1.0%
9.94
US$1,988
200 +1.0% 9.94 US$1,988
2020-09-21 2020-09-18 B Purchase

President & CEO

Executive Director
7,500 +2.0%
9.80
US$73,500
7,500 +2.0% 9.80 US$73,500
2020-09-17 2020-09-16 B Purchase Non-Executive Director
2,500 +100.0%
9.87
US$24,675
2,500 +100.0% 9.87 US$24,675
2020-09-14 2020-09-11 B Purchase

EVP

Officer
1,125 +5.7%
9.75
US$10,969
1,125 +5.7% 9.75 US$10,969
2020-08-24 2020-08-21 B Purchase Non-Executive Director
1,000 +3.1%
9.63
US$9,630
1,000 +3.1% 9.63 US$9,630
2020-08-03 2020-08-03 B Purchase Non-Executive Director
4,200 +14.7%
9.50
US$39,900
4,200 +14.7% 9.50 US$39,900
2020-08-03 2020-07-31 B Purchase

EVP

Officer
1,000 +5.3%
9.50
US$9,499
1,000 +5.3% 9.50 US$9,499
2020-08-03 2020-07-31 B Purchase Non-Executive Director
5,800 +25.4%
9.38
US$54,387
5,800 +25.4% 9.38 US$54,387
2020-05-14 2020-05-12 B Purchase Non-Executive Director
5,000 +28.0%
10.27
US$51,337
5,000 +28.0% 10.27 US$51,337
2020-05-11 2020-05-11 B Purchase Non-Executive Director
2,500 +inf%
10.83
US$27,068
2,500 +inf% 10.83 US$27,068
2020-05-11 2020-05-11 B Purchase

EVP

Officer
1,000 +5.6%
10.88
US$10,877
1,000 +5.6% 10.88 US$10,877
2020-05-07 2020-05-06 B Purchase

EVP/Chief Admin. Officer

Officer
1,750 +15.0%
10.83
US$18,952
1,750 +15.0% 10.83 US$18,952
2020-05-07 2020-05-06 B Purchase

President & CEO

Executive Director
10,000 +2.7%
10.65
US$106,500
10,000 +2.7% 10.65 US$106,500
2020-05-05 2020-05-05 B Purchase Non-Executive Director
2,000 +12.6%
10.97
US$21,934
2,000 +12.6% 10.97 US$21,934
2020-05-05 2020-05-01 B Purchase Non-Executive Director
8,000 +102.0%
10.92
US$87,326
8,000 +102.0% 10.92 US$87,326
2020-05-01 2020-05-01 B Purchase

President & CEO

Executive Director
9,000 +2.5%
11.00
US$98,997
9,000 +2.5% 11.00 US$98,997
2020-03-17 2020-03-17 S Sale

EVP

Officer
10,000 -32.3%
12.00
US$120,000
10,000 -32.3% 12.00 US$120,000
2020-03-17 2020-03-13 S Sale

EVP

Officer
20,000 -39.2%
11.78
US$235,680
20,000 -39.2% 11.78 US$235,680
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