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Nasdaq · CIK 0000729580

BELFA BEL FUSE INC /NJ

Insider trading from SEC Form 4. Last filing 28 d ago. Close $195.38 on Oct 9, 2026, +77% from the 52-week low and -33% from the high.

BEL FUSE INC /NJ (BELFA) has 50 SEC Form 4 filings on file from 14 insiders, the latest filed on Sep 15, 2026. In the last 90 days insiders made 0 open-market buys worth $0 and 2 open-market sells worth $331k, net -$331k.

21 open-market trades have been scored at BELFA. The newest: Vincent Vellucci (director) sold $235k of stock on Sep 14, 2026, filed Sep 15, 2026, scored 33 (weak). The largest of the 21 shown: Farouq Salem Ali Tuweiq (President and CEO) sold $7.9M on Feb 25, 2026, scored 85 (strong). 5 insiders sold within 14 days of each other around Mar 16, 2026.

BELFA closed at $195.38 on Oct 9, 2026, 77% above its 52-week low and 33% below its 52-week high.

10 Form 144 notices of planned sales are on file, the latest filed Dec 12, 2025.

Last 90 days

Net insider value
-$331k
more sold than bought
Buys
0
$0 by 0 insiders
Sells
2
$331k by 1 insider
Insiders on file
14
with a Form 4 at this company

Price and insider trades, last year

BELFAOct 9, 2026 · close 195.38

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

Open-market buys and sells at BEL FUSE INC /NJ, scored.

ScoreInsiderValueHoldingsPrice contextFiled
33WeakVincent Vellucci
director
sell
$235k
1,000 shares
-12%-
25WeakVincent Vellucci
director
sell
$96k
393 shares
-4%-
27WeakSuzanne Kozlovsky
Global Head of People
sell
$198k
731 shares
-6%+277% from low-12% from high
36WeakSuzanne Kozlovsky
Global Head of People
sell
$43k
214 shares
-2%+219% from low-15% from high
56ModerateStephen Dawson
Pres. - Power Solutions
sell
$700k
3,444 shares
-23%+219% from low-15% from high
60NotableDaniel Bernstein
President and CEO
sell
$1.4M
6,667 shares
-22%+219% from low-15% from high
40ModerateKenneth Koon Keung Lai
VP of Asia Operations
sell
$112k
552 shares
-7%+219% from low-15% from high
75NotablePeter Bittner
Pres. - Connectivity Solution
sell
$4.5M
22,311 shares
-87%+211% from low-17% from high
85StrongFarouq Salem Ali Tuweiq
President and CEO
sell
$7.9M
33,967 shares
-1096%+267% from low-2% from high
60NotablePeter E Gilbert
director
sell
$1.1M
4,500 shares
-23%+264% from low-2% from high
50ModerateLynn Hutkin
Chief Financial Officer
sell
$848k
5,000 shares
-18%+155% from low-3% from high
38WeakJoseph Berry
VP, Pres of Magnetic Solutions
sell
$76k
527 shares
-3%+97% from low-18% from high
50ModerateKenneth Koon Keung Lai
VP of Asia Operations
sell
$359k
2,500 shares
-24%+97% from low-18% from high
47ModerateDaniel Bernstein
President and CEO
sell
$431k
3,000 shares
-9%+97% from low-18% from high
41ModerateKenneth Koon Keung Lai
VP of Asia Operations
sell
$243k
1,900 shares
-16%+88% from low-4% from high
34WeakStephen Dawson
Pres. - Power Solutions
sell
$152k
1,200 shares
-8%+93% from low-1% from high
35WeakKenneth Koon Keung Lai
VP of Asia Operations
sell
$336k
4,000 shares
-25%+32% from low-25% from high
47ModerateDaniel Bernstein
President and CEO
sell
$438k
6,652 shares
-17%+4% from low-41% from high
15WeakSuzanne Kozlovsky
Global Head of People
sell
$15k
194 shares
-2%-
37WeakJoseph Berry
VP of Magnetic Solutions
sell
$80k
1,000 shares
-11%-
33WeakStephen Dawson
Pres. - Power Solutions
sell
$116k
1,500 shares
-9%-

Planned sales

Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales

FiledSellerSharesValueSale datePast 3 months
Dec 12, 2025 LYNN HUTKIN
Officer
5,000
0.05% of outstanding
$848kDec 12, 2025none
Nov 17, 2025 Lai Kenneth Koon Keung
Officer
2,500
0.02% of outstanding
$369kNov 17, 2025none
Nov 17, 2025 BERNSTEIN DANIEL
Director
3,000
0.03% of outstanding
$443kNov 17, 2025none
Nov 17, 2025 Berry Joseph Francis
Officer
527
0.01% of outstanding
$78kNov 17, 2025none
Aug 1, 2025 KOON KEUNG KENNETH LAI
Officer
1,900
0.02% of outstanding
$243kAug 1, 2025$336k
Jul 31, 2025 STEVE DAWSON
Officer
1,200
0.01% of outstanding
$152kJul 31, 2025none
Jun 13, 2025 KOON KEUNG KENNETH LAI
Officer
4,000
0.04% of outstanding
$336kJun 13, 2025none
Apr 30, 2025 DANIEL BERNSTEIN
Officer, Director, 10% Stockholder
6,652
0.06% of outstanding
$438kApr 30, 2025none
Nov 25, 2024 Berry Joseph Francis
Officer
1,000
0.01% of outstanding
$80kNov 25, 2024none
Nov 20, 2024 Dawson Stephen
Officer
1,500
0.01% of outstanding
$110kNov 20, 2024none

Transactions

The newest 50 of 79 rows filed, every code.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Sep 14, 2026Vincent Vellucci
director
SOpen-market sale
Class B Common Stock
-1,000$235.15$235k7,43428 d ago
Sep 2, 2026Vincent Vellucci
director
SOpen-market sale
Class B Common Stock
-393$243.61$96k8,43439 d ago
Jun 1, 2026Suzanne Kozlovsky
Global Head of People
SOpen-market sale
Class B Common Stock
-33$266.98$8,81012,250Jun 3, 2026
Jun 1, 2026Suzanne Kozlovsky
Global Head of People
SOpen-market sale
Class B Common Stock
-92$269.68$25k12,158Jun 3, 2026
Jun 1, 2026Suzanne Kozlovsky
Global Head of People
SOpen-market sale
Class B Common Stock
-310$270.51$84k11,848Jun 3, 2026
Jun 1, 2026Suzanne Kozlovsky
Global Head of People
SOpen-market sale
Class B Common Stock
-46$271.56$12k11,802Jun 3, 2026
Jun 1, 2026Suzanne Kozlovsky
Global Head of People
SOpen-market sale
Class B Common Stock
-214$272.42$58k11,588Jun 3, 2026
Jun 1, 2026Suzanne Kozlovsky
Global Head of People
SOpen-market sale
Class B Common Stock
-36$274.91$9,89711,552Jun 3, 2026
Mar 15, 2026David Valletta
director
AGrant or award
Class B Common Stock
+1,965$0.00$03,171Mar 17, 2026
Mar 15, 2026Mark B Segall
director
AGrant or award
Class B Common Stock
+1,030$0.00$013,527Mar 17, 2026
Mar 15, 2026Vincent Vellucci
director
AGrant or award
Class B Common Stock
+1,030$0.00$08,827Mar 17, 2026
Mar 15, 2026Rita Smith
director
AGrant or award
Class B Common Stock
+1,030$0.00$05,827Mar 17, 2026
Mar 15, 2026Peter E Gilbert
director
AGrant or award
Class B Common Stock
+1,965$0.00$017,012Mar 17, 2026
Mar 15, 2026Thomas Smelker
Pres. - Connectivity Solution
AGrant or award
Class B Common Stock
+3,049$0.00$03,049Mar 17, 2026
Mar 15, 2026Joseph Berry
VP, Pres of Magnetic Solutions
AGrant or award
Class B Common Stock
+419$0.00$018,193Mar 17, 2026
Mar 15, 2026Peter Bittner
Pres. - Connectivity Solution
AGrant or award
Class B Common Stock
+762$0.00$03,968Mar 17, 2026
Mar 15, 2026Kenneth Koon Keung Lai
VP of Asia Operations
AGrant or award
Class B Common Stock
+329$0.00$08,084Mar 17, 2026
Mar 15, 2026Stephen Dawson
Pres. - Power Solutions
AGrant or award
Class B Common Stock
+920$0.00$015,185Mar 17, 2026
Mar 16, 2026Kenneth Koon Keung Lai
VP of Asia Operations
SOpen-market sale
Class B Common Stock
-552$203.21$112k7,532Mar 17, 2026
Mar 15, 2026Farouq Salem Ali Tuweiq
President and CEO
AGrant or award
Class B Common Stock
+5,081$0.00$035,918Mar 17, 2026
Mar 15, 2026Thomas Smelker
Pres. - Connectivity Solution
IDiscretionary transaction
Class A Common Stockindirect: by 401(k) plan
+62$0.00$062Mar 17, 2026
Mar 15, 2026Suzanne Kozlovsky
Global Head of People
AGrant or award
Class B Common Stock
+437$0.00$012,497Mar 17, 2026
Mar 16, 2026Suzanne Kozlovsky
Global Head of People
SOpen-market sale
Class B Common Stock
-214$203.21$43k12,283Mar 17, 2026
Mar 16, 2026Stephen Dawson
Pres. - Power Solutions
SOpen-market sale
Class B Common Stock
-3,444$203.21$700k11,741Mar 17, 2026
Mar 15, 2026Lynn Hutkin
Chief Financial Officer
AGrant or award
Class B Common Stock
+695$0.00$023,543Mar 17, 2026
Mar 15, 2026Daniel Bernstein
President and CEO
AGrant or award
Class B Common Stock
+1,429$0.00$030,179Mar 17, 2026
Mar 16, 2026Daniel Bernstein
President and CEO
SOpen-market sale
Class B Common Stock
-6,667$203.21$1.4M23,512Mar 17, 2026
Mar 5, 2026Peter Bittner
Pres. - Connectivity Solution
SOpen-market sale
Class B Common Stock
-10,000$209.00$2.1M15,517Mar 9, 2026
Mar 6, 2026Peter Bittner
Pres. - Connectivity Solution
SOpen-market sale
Class B Common Stock
-12,311$195.00$2.4M3,206Mar 9, 2026
Feb 25, 2026Farouq Salem Ali Tuweiq
President and CEO
SOpen-market sale
Class A Common Stock
-2,169$215.65$468k931Feb 26, 2026
Feb 25, 2026Farouq Salem Ali Tuweiq
President and CEO
SOpen-market sale
Class A Common Stock
-887$217.13$193k44Feb 26, 2026
Feb 25, 2026Farouq Salem Ali Tuweiq
President and CEO
SOpen-market sale
Class A Common Stock
-44$218.45$9,6120Feb 26, 2026
Feb 25, 2026Farouq Salem Ali Tuweiq
President and CEO
SOpen-market sale
Class B Common Stock
-4,997$235.75$1.2M56,707Feb 26, 2026
Feb 25, 2026Farouq Salem Ali Tuweiq
President and CEO
SOpen-market sale
Class B Common Stock
-3$236.84$71156,704Feb 26, 2026
Feb 25, 2026Farouq Salem Ali Tuweiq
President and CEO
SOpen-market sale
Class B Common Stock
-6,028$233.88$1.4M50,676Feb 26, 2026
Feb 25, 2026Farouq Salem Ali Tuweiq
President and CEO
SOpen-market sale
Class B Common Stock
-4,695$234.68$1.1M45,981Feb 26, 2026
Feb 25, 2026Farouq Salem Ali Tuweiq
President and CEO
SOpen-market sale
Class B Common Stock
-3,222$235.81$760k42,759Feb 26, 2026
Feb 25, 2026Farouq Salem Ali Tuweiq
President and CEO
SOpen-market sale
Class B Common Stock
-9,362$237.05$2.2M33,397Feb 26, 2026
Feb 25, 2026Farouq Salem Ali Tuweiq
President and CEO
SOpen-market sale
Class B Common Stock
-2,496$237.78$593k30,901Feb 26, 2026
Feb 25, 2026Farouq Salem Ali Tuweiq
President and CEO
SOpen-market sale
Class B Common Stock
-64$238.40$15k30,837Feb 26, 2026
Feb 24, 2026Peter E Gilbert
director
SOpen-market sale
Class B Common Stock
-4,500$238.75$1.1M15,047Feb 25, 2026
Feb 23, 2026Mark B Segall
director
GGift
Class B Common Stock
-300$0.00$012,497Feb 25, 2026
Dec 12, 2025Lynn Hutkin
Chief Financial Officer
SOpen-market sale
Class B Common Stock
-2,521$168.71$425k25,327Dec 16, 2025
Dec 12, 2025Lynn Hutkin
Chief Financial Officer
SOpen-market sale
Class B Common Stock
-1,079$169.49$183k24,248Dec 16, 2025
Dec 12, 2025Lynn Hutkin
Chief Financial Officer
SOpen-market sale
Class B Common Stock
-700$171.39$120k23,548Dec 16, 2025
Dec 12, 2025Lynn Hutkin
Chief Financial Officer
SOpen-market sale
Class B Common Stock
-700$171.74$120k22,848Dec 16, 2025
Nov 17, 2025Daniel Bernstein
President and CEO
SOpen-market sale
Class B Common Stock
-2,323$144.23$335k29,427Nov 19, 2025
Nov 17, 2025Kenneth Koon Keung Lai
VP of Asia Operations
SOpen-market sale
Class B Common Stock
-1,936$144.23$279k8,319Nov 19, 2025
Nov 17, 2025Joseph Berry
VP, Pres of Magnetic Solutions
SOpen-market sale
Class B Common Stock
-408$144.23$59k17,893Nov 19, 2025
Nov 18, 2025Joseph Berry
VP, Pres of Magnetic Solutions
SOpen-market sale
Class B Common Stock
-119$141.96$17k17,774Nov 19, 2025
50 of 79 rows shown.

Insiders

Everyone who has filed a Form 4 here.

Questions about BELFA

Answered from the filings on this page, as of the latest one.

Are insiders buying BELFA?

As of Sep 15, 2026, SEC Form 4 filings show 0 open-market buys worth $0 by 0 insiders and 2 open-market sells worth $331k by 1 insider at BEL FUSE INC /NJ in the last 90 days, net -$331k. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.

Who was the last insider to trade BELFA on the open market?

Vincent Vellucci (director) sold $235k of BELFA on Sep 14, 2026 and filed the Form 4 on Sep 15, 2026. InsiderTell scored 33 (weak).

How many insiders file Form 4 at BEL FUSE INC /NJ?

14 people have filed a Form 4 at BEL FUSE INC /NJ, among them Daniel Bernstein (President and CEO), Joseph Berry (VP, Pres of Magnetic Solutions), Peter Bittner (Pres. - Connectivity Solution). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.