InsiderTrades

Form 4 for BELFA BEL FUSE INC /NJ

Accepted 2026-03-17 00:00:00 ET · period of report 2026-03-15 · accession 0001437749-26-008623 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-03-17 2026-03-15 BELFA Kozlovsky Suzanne Gbl Head of People A - Grant $0.00 +437 12.5K +4% $0
2026-03-17 2026-03-16 BELFA Kozlovsky Suzanne Gbl Head of People S - Sale $203.21 -214 12.3K -2% -$43.5K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class B Common Stock 2026-03-15 A A 437 $0.00 12,497 D — — (F2) Ms. Kozlovsky was granted 437 restricted shares of Class B Common Stock on March 15, 2026. The restricted shares vest as follows: 146 shares vest as of March 15, 2027; 146 shares vest as of March 15, 2028; and 145 shares vest as of March 15, 2029.
2 Common Class B Common Stock 2026-03-16 S D 214 $203.21 12,283 D — —