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United States Electronic Equipment & Parts

Bel Fuse Inc (BELFA)

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Over the last 90 days, Bel Fuse Inc. has seen significant insider selling activity, totaling $398,839.4. Notably, Suzanne Kozlovsky, Global Head of People, executed multiple sell transactions. Daniel Bernstein, a Director and 10% stockholder, also engaged in substantial proposed sales. This activity occurred against a backdrop of strong stock performance, with a 31.1% price increase over 90 days.
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Ticker: BELFA Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Kozlovsky Suzanne
Global Head of People
7 sales — total 398,839 USD
Sale 1 Jun 2026
Value US$1,662,802.64 | Price 468.30 | Shares 11,475
Sale 1 Jun 2026
Value US$3,294,826.27 | Price 494.03 | Shares 13,718
Sale 1 Jun 2026
Value US$12,491.76 | Price 271.56 | Shares 46
Sale 1 Jun 2026
Value US$83,858.10 | Price 270.51 | Shares 310
Sale 1 Jun 2026
Value US$24,810.56 | Price 269.68 | Shares 92
Sale 1 Jun 2026
Value US$8,810.34 | Price 266.98 | Shares 33
Proposed sale 1 Jun 2026
Value US$200,674.00 | Price 274.52 | Shares 731
Sale 16 Mar 2026
Value US$1,880,287.41 | Price 86.78 | Shares 10,800
Proposed sale 16 Mar 2026
Value US$442,049.11 | Price 128.39 | Shares 50,273
Sale 16 Mar 2026
Value US$1,354,801.07 | Price 203.21 | Shares 6,667
Proposed sale 16 Mar 2026
Value US$608,828.00 | Price 202.00 | Shares 3,014
Proposed sale 16 Mar 2026
Value US$737,906.00 | Price 202.00 | Shares 3,653
Sale 16 Mar 2026
Value US$699,855.24 | Price 203.21 | Shares 3,444
Proposed sale 16 Mar 2026
Value US$688,800.00 | Price 200.00 | Shares 3,444
Sale 16 Mar 2026
Value US$43,486.94 | Price 203.21 | Shares 214
Proposed sale 16 Mar 2026
Value US$110,484.00 | Price 198.00 | Shares 558
Sale 6 Mar 2026
Value US$2,400,645.00 | Price 195.00 | Shares 12,311
Sale 5 Mar 2026
Value US$2,090,000.00 | Price 209.00 | Shares 10,000
Sale 25 Feb 2026
Value US$15,257.60 | Price 238.40 | Shares 64
Sale 25 Feb 2026
Value US$593,498.88 | Price 237.78 | Shares 2,496
Sale 25 Feb 2026
Value US$2,219,262.10 | Price 237.05 | Shares 9,362
Sale 25 Feb 2026
Value US$759,779.82 | Price 235.81 | Shares 3,222
Sale 25 Feb 2026
Value US$1,101,822.60 | Price 234.68 | Shares 4,695
Sale 25 Feb 2026
Value US$1,409,828.64 | Price 233.88 | Shares 6,028
Sale 25 Feb 2026
Value US$710.52 | Price 236.84 | Shares 3
Sale 25 Feb 2026
Value US$1,178,042.75 | Price 235.75 | Shares 4,997
Sale 25 Feb 2026
Value US$9,611.80 | Price 218.45 | Shares 44
Sale 25 Feb 2026
Value US$192,594.31 | Price 217.13 | Shares 887
Sale 25 Feb 2026
Value US$467,744.85 | Price 215.65 | Shares 2,169
Proposed sale 25 Feb 2026
Value US$668,670.00 | Price 215.70 | Shares 3,100
Proposed sale 25 Feb 2026
Value US$1,172,000.00 | Price 234.40 | Shares 5,000
Proposed sale 25 Feb 2026
Value US$5,216,534.00 | Price 233.81 | Shares 22,311
Proposed sale 25 Feb 2026
Value US$6,099,448.95 | Price 235.80 | Shares 25,867
Sale 24 Feb 2026
Value US$1,074,375.00 | Price 238.75 | Shares 4,500
Proposed sale 24 Feb 2026
Value US$1,035,270.00 | Price 230.06 | Shares 4,500
Sale 12 Dec 2025
Value US$120,218.00 | Price 171.74 | Shares 700
Sale 12 Dec 2025
Value US$119,973.00 | Price 171.39 | Shares 700
Sale 12 Dec 2025
Value US$182,879.71 | Price 169.49 | Shares 1,079
Sale 12 Dec 2025
Value US$425,317.91 | Price 168.71 | Shares 2,521
Proposed sale 12 Dec 2025
Value US$848,386.00 | Price 169.68 | Shares 5,000
Sale 18 Nov 2025
Value US$96,110.24 | Price 141.96 | Shares 677
Sale 18 Nov 2025
Value US$16,893.82 | Price 141.96 | Shares 119
Sale 18 Nov 2025
Value US$80,068.20 | Price 141.96 | Shares 564
Sale 17 Nov 2025
Value US$335,052.79 | Price 144.23 | Shares 2,323
Proposed sale 17 Nov 2025
Value US$443,010.00 | Price 147.67 | Shares 3,000
Sale 17 Nov 2025
Value US$58,846.98 | Price 144.23 | Shares 408
Sale 17 Nov 2025
Value US$279,234.70 | Price 144.23 | Shares 1,936
Proposed sale 17 Nov 2025
Value US$369,175.00 | Price 147.67 | Shares 2,500
Proposed sale 17 Nov 2025
Value US$77,822.00 | Price 147.67 | Shares 527
Sale 1 Aug 2025
Value US$243,200.00 | Price 128.00 | Shares 1,900
Proposed sale 1 Aug 2025
Value US$243,200.00 | Price 128.00 | Shares 1,900
Sale 31 Jul 2025
Value US$152,484.00 | Price 127.07 | Shares 1,200
Proposed sale 31 Jul 2025
Value US$152,484.00 | Price 127.07 | Shares 1,200
Sale 13 Jun 2025
Value US$336,120.00 | Price 84.03 | Shares 4,000
Proposed sale 13 Jun 2025
Value US$336,110.40 | Price 84.03 | Shares 4,000
Sale 30 Apr 2025
Value US$437,834.64 | Price 65.82 | Shares 6,652
Proposed sale 30 Apr 2025
Value US$437,832.64 | Price 65.82 | Shares 6,652
Sale 17 Mar 2025
Value US$14,726.54 | Price 75.91 | Shares 194
Sale 26 Nov 2024
Value US$80,300.00 | Price 80.30 | Shares 1,000
Proposed sale 25 Nov 2024
Value US$80,000.00 | Price 80.00 | Shares 1,000
Sale 21 Nov 2024
Value US$116,475.00 | Price 77.65 | Shares 1,500
Proposed sale 20 Nov 2024
Value US$110,000.00 | Price 73.33 | Shares 1,500
Sale 13 Mar 2024
Value US$56,700.00 | Price 56.70 | Shares 1,000
Proposed sale 13 Mar 2024
Value US$56,000.00 | Price 56.00 | Shares 1,000
Buy 15 Dec 2023
Value US$12,434.00 | Price 62.17 | Shares 200
Sale 14 Dec 2023
Value US$96,060.00 | Price 64.04 | Shares 1,500
Sale 14 Dec 2023
Value US$31,645.00 | Price 63.29 | Shares 500
Proposed sale 13 Dec 2023
Value US$91,500.00 | Price 61.00 | Shares 1,500
Sale 4 Dec 2023
Value US$139,075.00 | Price 55.63 | Shares 2,500
Proposed sale 4 Dec 2023
Value US$139,900.00 | Price 55.96 | Shares 2,500
Sale 4 Dec 2023
Value US$168,150.00 | Price 56.05 | Shares 3,000
Proposed sale 4 Dec 2023
Value US$167,880.00 | Price 55.96 | Shares 3,000
Buy 14 Sep 2023
Value US$13,782.00 | Price 45.94 | Shares 300
Proposed sale 1 Sep 2023
Value US$726,589.00 | Price 51.90 | Shares 14,000
Sale 1 Sep 2023
Value US$728,000.00 | Price 52.00 | Shares 14,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-03 2026-06-01 S Sale
1.6
Kozlovsky Suzanne

Global Head of People

Officer
11,475 -16.5%
468.30
US$1,662,803 		11,475 -16.5% 468.30 US$1,662,803
2026-06-03 2026-06-01 S Sale
1.6
Kozlovsky Suzanne

Global Head of People

Officer
13,718 -8.8%
494.03
US$3,294,826 		13,718 -8.8% 494.03 US$3,294,826
2026-06-03 2026-06-01 S Sale
1.6
Kozlovsky Suzanne

Global Head of People

Officer
88,888 +23.3%
457.70
US$3,963,618 		88,888 +23.3% 457.70 US$3,963,618
2026-06-03 2026-06-01 S Sale
1.6
Kozlovsky Suzanne

Global Head of People

Officer
310 -2.5%
270.51
US$83,858 		310 -2.5% 270.51 US$83,858
2026-06-03 2026-06-01 S Sale
1.6
Kozlovsky Suzanne

Global Head of People

Officer
92 -0.8%
269.68
US$24,811 		92 -0.8% 269.68 US$24,811
2026-06-03 2026-06-01 S Sale
1.6
Kozlovsky Suzanne

Global Head of People

Officer
33 -0.3%
266.98
US$8,810 		33 -0.3% 266.98 US$8,810
2026-06-01 2026-06-01 PrS Proposed sale
1.6
Kozlovsky Suzanne

Officer

Officer
731
274.52
US$200,674 		731 274.52 US$200,674
2026-03-17 2026-03-16 S Sale
1.6
Lai Kenneth Koon Keung

VP of Asia Operations

Officer
552 -6.8%
203.21
US$112,172 		552 -6.8% 203.21 US$112,172
2026-03-17 2026-03-16 S Sale
3.5
BERNSTEIN DANIEL
Non-Executive Director Large shareholder
6,667 -22.1%
203.21
US$1,354,801 		6,667 -22.1% 203.21 US$1,354,801
2026-03-17 2026-03-16 S Sale
Dawson Stephen

Pres. - Power Solutions

Officer
3,444 -22.7%
203.21
US$699,855 		3,444 -22.7% 203.21 US$699,855
2026-03-17 2026-03-16 S Sale
1.6
Kozlovsky Suzanne

Global Head of People

Officer
214 -1.7%
203.21
US$43,487 		214 -1.7% 203.21 US$43,487
2026-03-11 2026-03-16 PrS Proposed sale
1.6
Lai Kenneth Koon Keung

Officer

Officer
457
202.00
US$92,315 		457 202.00 US$92,315
2026-03-11 2026-03-16 PrS Proposed sale
1.6
Kozlovsky Suzanne

Officer

Officer
558
198.00
US$110,484 		558 198.00 US$110,484
2026-03-10 2026-03-16 PrS Proposed sale
3.5
BERNSTEIN DANIEL

Director; 10% Stockholder

Non-Executive Director Large shareholder
3,014
202.00
US$608,828 		3,014 202.00 US$608,828
2026-03-10 2026-03-16 PrS Proposed sale
3.5
BERNSTEIN DANIEL

Director; 10% Stockholder

Non-Executive Director Large shareholder
3,653
202.00
US$737,906 		3,653 202.00 US$737,906
2026-03-10 2026-03-16 PrS Proposed sale
Dawson Stephen

Officer

Officer
3,444
200.00
US$688,800 		3,444 200.00 US$688,800
2026-03-09 2026-03-06 S Sale
Bittner Peter

Pres. - Connectivity Solution

Officer
12,311 -79.3%
195.00
US$2,400,645 		12,311 -79.3% 195.00 US$2,400,645
2026-03-09 2026-03-05 S Sale
Bittner Peter

Pres. - Connectivity Solution

Officer
10,000 -39.2%
209.00
US$2,090,000 		10,000 -39.2% 209.00 US$2,090,000
2026-02-26 2026-02-25 S Sale
3.6
Tuweiq Farouq Salem Ali

President and CEO

Executive Director
64 -0.2%
238.40
US$15,258 		64 -0.2% 238.40 US$15,258
2026-02-26 2026-02-25 S Sale
3.6
Tuweiq Farouq Salem Ali

President and CEO

Executive Director
2,496 -7.5%
237.78
US$593,499 		2,496 -7.5% 237.78 US$593,499
2026-02-26 2026-02-25 S Sale
3.6
Tuweiq Farouq Salem Ali

President and CEO

Executive Director
9,362 -21.9%
237.05
US$2,219,262 		9,362 -21.9% 237.05 US$2,219,262
2026-02-26 2026-02-25 S Sale
3.6
Tuweiq Farouq Salem Ali

President and CEO

Executive Director
3,222 -7.0%
235.81
US$759,780 		3,222 -7.0% 235.81 US$759,780
2026-02-26 2026-02-25 S Sale
3.6
Tuweiq Farouq Salem Ali

President and CEO

Executive Director
4,695 -9.3%
234.68
US$1,101,823 		4,695 -9.3% 234.68 US$1,101,823
2026-02-26 2026-02-25 S Sale
3.6
Tuweiq Farouq Salem Ali

President and CEO

Executive Director
6,028 -10.6%
233.88
US$1,409,829 		6,028 -10.6% 233.88 US$1,409,829
2026-02-26 2026-02-25 S Sale
3.6
Tuweiq Farouq Salem Ali

President and CEO

Executive Director
3 -0.0%
236.84
US$711 		3 -0.0% 236.84 US$711
2026-02-26 2026-02-25 S Sale
3.6
Tuweiq Farouq Salem Ali

President and CEO

Executive Director
4,997 -8.1%
235.75
US$1,178,043 		4,997 -8.1% 235.75 US$1,178,043
2026-02-26 2026-02-25 S Sale
3.6
Tuweiq Farouq Salem Ali

President and CEO

Executive Director
44 -100.0%
218.45
US$9,612 		44 -100.0% 218.45 US$9,612
2026-02-26 2026-02-25 S Sale
3.6
Tuweiq Farouq Salem Ali

President and CEO

Executive Director
887 -95.3%
217.13
US$192,594 		887 -95.3% 217.13 US$192,594
2026-02-26 2026-02-25 S Sale
3.6
Tuweiq Farouq Salem Ali

President and CEO

Executive Director
2,169 -70.0%
215.65
US$467,745 		2,169 -70.0% 215.65 US$467,745
2026-02-26 2026-02-25 PrS Proposed sale
Bittner Peter

Director

Non-Executive Director
22,311
233.81
US$5,216,534 		22,311 233.81 US$5,216,534
2026-02-25 2026-02-25 PrS Proposed sale
3.6
FAROUQ TUWEIQ

Officer; Director

Executive Director
25,867
235.80
US$6,099,449 		25,867 235.80 US$6,099,449
2026-02-25 2026-02-25 PrS Proposed sale
3.6
Tuweiq Farouq Salem Ali

Officer; Director

Executive Director
3,100
215.70
US$668,670 		3,100 215.70 US$668,670
2026-02-25 2026-02-25 PrS Proposed sale
3.6
Tuweiq Farouq Salem Ali

Officer; Director

Executive Director
5,000
234.40
US$1,172,000 		5,000 234.40 US$1,172,000
2026-02-25 2026-02-24 S Sale
0.8
GILBERT PETER E
Non-Executive Director
4,500 -23.0%
238.75
US$1,074,375 		4,500 -23.0% 238.75 US$1,074,375
2026-02-24 2026-02-24 PrS Proposed sale
0.8
GILBERT PETER E

Director

Non-Executive Director
4,500
230.06
US$1,035,270 		4,500 230.06 US$1,035,270
2025-12-16 2025-12-12 S Sale
Hutkin Lynn

Chief Financial Officer

Officer
700 -3.0%
171.74
US$120,218 		700 -3.0% 171.74 US$120,218
2025-12-16 2025-12-12 S Sale
Hutkin Lynn

Chief Financial Officer

Officer
700 -2.9%
171.39
US$119,973 		700 -2.9% 171.39 US$119,973
2025-12-16 2025-12-12 S Sale
Hutkin Lynn

Chief Financial Officer

Officer
1,079 -4.3%
169.49
US$182,880 		1,079 -4.3% 169.49 US$182,880
2025-12-16 2025-12-12 S Sale
Hutkin Lynn

Chief Financial Officer

Officer
2,521 -9.1%
168.71
US$425,318 		2,521 -9.1% 168.71 US$425,318
2025-12-12 2025-12-12 PrS Proposed sale
LYNN HUTKIN

Officer

Officer
5,000
169.68
US$848,386 		5,000 169.68 US$848,386
2025-11-19 2025-11-18 S Sale
3.5
BERNSTEIN DANIEL
Non-Executive Director Large shareholder
677 -2.3%
141.96
US$96,110 		677 -2.3% 141.96 US$96,110
2025-11-19 2025-11-18 S Sale
1.5
Berry Joseph

VP, Pres of Magnetic Solutions

Officer
119 -0.7%
141.96
US$16,894 		119 -0.7% 141.96 US$16,894
2025-11-19 2025-11-18 S Sale
1.6
Lai Kenneth Koon Keung

VP of Asia Operations

Officer
564 -6.8%
141.96
US$80,068 		564 -6.8% 141.96 US$80,068
2025-11-19 2025-11-17 S Sale
3.5
BERNSTEIN DANIEL
Non-Executive Director Large shareholder
2,323 -7.3%
144.23
US$335,053 		2,323 -7.3% 144.23 US$335,053
2025-11-19 2025-11-17 S Sale
1.5
Berry Joseph

VP, Pres of Magnetic Solutions

Officer
408 -2.2%
144.23
US$58,847 		408 -2.2% 144.23 US$58,847
2025-11-19 2025-11-17 S Sale
1.6
Lai Kenneth Koon Keung

VP of Asia Operations

Officer
1,936 -18.9%
144.23
US$279,235 		1,936 -18.9% 144.23 US$279,235
2025-11-17 2025-11-17 PrS Proposed sale
1.5
Berry Joseph Francis

Officer

Officer
527
147.67
US$77,822 		527 147.67 US$77,822
2025-11-17 2025-11-17 PrS Proposed sale
1.6
Lai Kenneth Koon Keung

Officer

Officer
2,500
147.67
US$369,175 		2,500 147.67 US$369,175
2025-11-17 2025-11-17 PrS Proposed sale
3.5
BERNSTEIN DANIEL

Director

Non-Executive Director
3,000
147.67
US$443,010 		3,000 147.67 US$443,010
2025-08-04 2025-08-01 S Sale
1.6
Lai Kenneth Koon Keung

VP of Asia Operations

Officer
1,900 -15.6%
128.00
US$243,200 		1,900 -15.6% 128.00 US$243,200
2025-08-01 2025-08-01 PrS Proposed sale
1.6
KOON KEUNG KENNETH LAI

Officer

Officer
1,900
128.00
US$243,200 		1,900 128.00 US$243,200
2025-08-01 2025-07-31 S Sale
Dawson Stephen

Pres. - Power Solutions

Officer
1,200 -7.8%
127.07
US$152,484 		1,200 -7.8% 127.07 US$152,484
2025-07-31 2025-07-31 PrS Proposed sale
STEVE DAWSON

Officer

Officer
1,200
127.07
US$152,484 		1,200 127.07 US$152,484
2025-06-16 2025-06-13 S Sale
1.6
Lai Kenneth Koon Keung

VP of Asia Operations

Officer
4,000 -24.8%
84.03
US$336,120 		4,000 -24.8% 84.03 US$336,120
2025-06-13 2025-06-13 PrS Proposed sale
1.6
KOON KEUNG KENNETH LAI

Officer

Officer
4,000
84.03
US$336,110 		4,000 84.03 US$336,110
2025-05-01 2025-04-30 S Sale
3.5
BERNSTEIN DANIEL

President and CEO

Executive Director Large shareholder
6,652 -17.2%
65.82
US$437,835 		6,652 -17.2% 65.82 US$437,835
2025-04-30 2025-04-30 PrS Proposed sale
3.5
DANIEL BERNSTEIN

Officer; Director; 10% Stockholder

Executive Director Large shareholder
6,652
65.82
US$437,833 		6,652 65.82 US$437,833
2025-03-18 2025-03-17 S Sale
1.6
Kozlovsky Suzanne

Global Head of People

Officer
194 -1.6%
75.91
US$14,727 		194 -1.6% 75.91 US$14,727
2024-11-26 2024-11-26 S Sale
1.5
Berry Joseph Francis

VP of Magnetic Solutions

Officer
1,000 -11.1%
80.30
US$80,300 		1,000 -11.1% 80.30 US$80,300
2024-11-25 2024-11-25 PrS Proposed sale
1.5
Berry Joseph Francis

Officer

Officer
1,000
80.00
US$80,000 		1,000 80.00 US$80,000
2024-11-22 2024-11-21 S Sale
Dawson Stephen

Pres. - Power Solutions

Officer
1,500 -9.2%
77.65
US$116,475 		1,500 -9.2% 77.65 US$116,475
2024-11-20 2024-11-20 PrS Proposed sale
Dawson Stephen

Officer

Officer
1,500
73.33
US$110,000 		1,500 73.33 US$110,000
2024-03-15 2024-03-13 S Sale
2.3
Vellucci Vincent
Non-Executive Director
1,000 -11.9%
56.70
US$56,700 		1,000 -11.9% 56.70 US$56,700
2024-03-13 2024-03-13 PrS Proposed sale
2.3
Vellucci Vincent (BELFB)

Director

Non-Executive Director
1,000
56.00
US$56,000 		1,000 56.00 US$56,000
2023-12-15 2023-12-15 B Purchase
3.6
Tuweiq Farouq Salem Ali

Chief Financial Officer

Officer
200 +6.9%
62.17
US$12,434 		200 +6.9% 62.17 US$12,434
2023-12-15 2023-12-14 S Sale
1.6
Lai Kenneth Koon Keung

VP of Asia Operations

Officer
1,500 -9.4%
64.04
US$96,060 		1,500 -9.4% 64.04 US$96,060
2023-12-14 2023-12-14 S Sale
1.5
Berry Joseph Francis

VP of Magnetic Solutions

Officer
500 -5.9%
63.29
US$31,645 		500 -5.9% 63.29 US$31,645
2023-12-13 2023-12-13 PrS Proposed sale
1.6
Lai Kenneth Koon Keung

Officer

Officer
1,500
61.00
US$91,500 		1,500 61.00 US$91,500
2023-12-05 2023-12-04 S Sale
1.9
ACKERMAN DENNIS

Vice President - Operations

Officer
2,500 -25.0%
55.63
US$139,075 		2,500 -25.0% 55.63 US$139,075
2023-12-05 2023-12-04 S Sale
3.5
BERNSTEIN DANIEL

President and CEO

Executive Director Large shareholder
3,000 -13.2%
56.05
US$168,150 		3,000 -13.2% 56.05 US$168,150
2023-12-04 2023-12-04 PrS Proposed sale
1.9
ACKERMAN DENNIS

Officer

Officer
2,500
55.96
US$139,900 		2,500 55.96 US$139,900
2023-12-04 2023-12-04 PrS Proposed sale
3.5
BERNSTEIN DANIEL

Officer; Director

Executive Director
3,000
55.96
US$167,880 		3,000 55.96 US$167,880
2023-09-14 2023-09-14 B Purchase
3.6
Tuweiq Farouq Salem Ali

Chief Financial Officer

Officer
300 +11.5%
45.94
US$13,782 		300 +11.5% 45.94 US$13,782
2023-09-05 2023-09-01 PrS Proposed sale
3.5
BERNSTEIN DANIEL

Officer

Officer
14,000
51.90
US$726,589 		14,000 51.90 US$726,589
2023-09-05 2023-09-01 S Sale
3.5
BERNSTEIN DANIEL

President and CEO

Executive Director Large shareholder
14,000 -38.1%
52.00
US$728,000 		14,000 -38.1% 52.00 US$728,000
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