InsiderTrades

Form 4 for BELFA BEL FUSE INC /NJ

Accepted 2026-03-17 00:00:00 ET · period of report 2026-03-15 · accession 0001437749-26-008636 · 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 Lai Kenneth Koon Keung VP of Asia Ops A - Grant $0.00 +329 8,084 +4% $0
2026-03-17 2026-03-16 BELFA Lai Kenneth Koon Keung VP of Asia Ops S - Sale $203.21 -552 7,532 -7% -$112.2K

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 329 $0.00 8,084 D — — (F1) Mr. Lai was granted 329 restricted shares of Class B Common Stock on March 15, 2026. The restricted shares vest as follows: 110 shares vest as of March 15, 2027; 110 shares vest as of March 15, 2028; and 109 shares vest as of March 15, 2029.
2 Common Class B Common Stock 2026-03-16 S D 552 $203.21 7,532 D — —