Bel Fuse Inc. (BELFB) Insider Trading
Over the last 3 months, BELFB insiders made 0 open-market buys and 6 sales, a net sale of -$6.7M (SEC Form 4). Over the last 6 months, 155 institutions increased and 136 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
6
Net (3m)
-$6.7M
Insider trades by month Buys Sells
Jun
Aug
Nov
Dec
Feb
Mar
Context3-month price +36.5%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Mar 17, 2026 | Kozlovsky Suzanneofficer: Global Head of People | Sell | 214 | $203.21 |
| Mar 17, 2026 | Kozlovsky Suzanneofficer: Global Head of People | Grant | 437 | — |
| Mar 17, 2026 | Smelker Thomasofficer: Pres. - Connectivity Solution | Grant | 3,049 | — |
| Mar 17, 2026 | Bittner Peterofficer: Pres. - Connectivity Solution | Grant | 762 | — |
| Mar 17, 2026 | Tuweiq Farouq Salem Alidirector, officer: President and CEO | Grant | 5,081 | — |
| Mar 17, 2026 | GILBERT PETER Edirector | Grant | 1,965 | — |
| Mar 17, 2026 | SEGALL MARK Bdirector | Grant | 1,030 | — |
| Mar 17, 2026 | Hutkin Lynnofficer: Chief Financial Officer | Grant | 695 | — |
| Mar 17, 2026 | Berry Josephofficer: VP, Pres of Magnetic Solutions | Grant | 419 | — |
| Mar 17, 2026 | Lai Kenneth Koon Keungofficer: VP of Asia Operations | Grant | 329 | — |
| Mar 17, 2026 | Lai Kenneth Koon Keungofficer: VP of Asia Operations | Sell | 552 | $203.21 |
| Mar 17, 2026 | BERNSTEIN DANIELdirector, 10 percent owner: | Grant | 1,429 | — |
| Mar 17, 2026 | BERNSTEIN DANIELdirector, 10 percent owner: | Sell | 6,667 | $203.21 |
| Mar 17, 2026 | Dawson Stephenofficer: Pres. - Power Solutions | Grant | 920 | — |
| Mar 17, 2026 | Dawson Stephenofficer: Pres. - Power Solutions | Sell | 3,444 | $203.21 |
| Mar 17, 2026 | Vellucci Vincentdirector | Grant | 1,030 | — |
| Mar 17, 2026 | Valletta Daviddirector | Grant | 1,965 | — |
| Mar 17, 2026 | Smith Ritadirector | Grant | 1,030 | — |
| Mar 9, 2026 | Bittner Peterofficer: Pres. - Connectivity Solution | Sell | 10,000 | $209.00 |
| Mar 9, 2026 | Bittner Peterofficer: Pres. - Connectivity Solution | Sell | 12,311 | $195.00 |
| Feb 26, 2026 | Tuweiq Farouq Salem Alidirector, officer: President and CEO | Sell | 2,169 | $215.65 |
| Feb 26, 2026 | Tuweiq Farouq Salem Alidirector, officer: President and CEO | Sell | 64 | $238.40 |
| Feb 26, 2026 | Tuweiq Farouq Salem Alidirector, officer: President and CEO | Sell | 2,496 | $237.78 |
| Feb 26, 2026 | Tuweiq Farouq Salem Alidirector, officer: President and CEO | Sell | 9,362 | $237.05 |
| Feb 26, 2026 | Tuweiq Farouq Salem Alidirector, officer: President and CEO | Sell | 3,222 | $235.81 |
| Feb 26, 2026 | Tuweiq Farouq Salem Alidirector, officer: President and CEO | Sell | 4,695 | $234.68 |
| Feb 26, 2026 | Tuweiq Farouq Salem Alidirector, officer: President and CEO | Sell | 6,028 | $233.88 |
| Feb 26, 2026 | Tuweiq Farouq Salem Alidirector, officer: President and CEO | Sell | 3 | $236.84 |
| Feb 26, 2026 | Tuweiq Farouq Salem Alidirector, officer: President and CEO | Sell | 4,997 | $235.75 |
| Feb 26, 2026 | Tuweiq Farouq Salem Alidirector, officer: President and CEO | Sell | 44 | $218.45 |
Source: BELFB SEC Form 4 filings, latest Mar 17, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their BELFB positions over the last 6 months (SEC Form 13F).
Increased
155
New positions
91
Reduced
136
Sold out
53
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD GROUP INC | Increased | 909K | Jan 29, 2026 |
| BLACKROCK, INC. | Increased | 866K | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 847K | May 13, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 834K | Feb 17, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | 773K | May 15, 2026 |
| JANUS HENDERSON GROUP PLC | Increased | 760K | May 18, 2026 |
| FMR LLC | Increased | 668K | Feb 17, 2026 |
| FMR LLC | Reduced | 631K | May 15, 2026 |
| JANUS HENDERSON GROUP PLC | Increased | 619K | Feb 17, 2026 |
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | Increased | 573K | May 15, 2026 |
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | Increased | 519K | Feb 19, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 489K | May 15, 2026 |
| WASATCH ADVISORS LP | Increased | 479K | Apr 21, 2026 |
| WASATCH ADVISORS LP | Increased | 410K | Feb 12, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 329K | May 8, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.