BEL FUSE INC /NJ
BELFA, BELFB · Electronic Coils, Transformers & Other Inductors · 2.2M shares · EDGAR filings ↗
Net buyback after stock comp: -$3M (gross $105K, SBC $3M)
Reference price $266.98 · est. market cap ~$581M — last insider sale, 2026-06-01 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
B74Electronic-components (magnetics/power/connectivity) maker with strong growth, good margins, and a solid balance sheet.
Strengths
- Strong growth and earnings — revenue +26.3% (73rd), net income +50.2% (75th)
- Good margins — operating margin 16.4% (77th), gross margin 39.1%
- Solid liquidity — current ratio 3.02 (73rd), D/E 0.46
Risks
- Net margin below operating, cost/mix pressure — net margin 9.1% (65th)
- End-market cyclicality (networking/industrial/defense) — qualitative (per 10-K)
- Quarterly result volatility per risk factors — qualitative (per 10-K)
Notable findings
- Exec changeRecent 8-K item 5.02 8-K ↗
- Auditor changeRecent 8-K item 4.01 8-K ↗
- Fund exitedNotable fund(s) exited this quarter: VANGUARD GROUP INC
- Notable holderHeld by 9 notable fund(s): FMR LLC, STATE STREET CORP, RENAISSANCE TECHNOLOGIES LLC +6 more (as of 2026-03-31)
- Insider sellingInsider selling — 24 open-market sale(s) by 7 insider(s) (cluster of 7 insiders, ~$16M, last 6mo) Form 4 ↗
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Gross margin
39.1%
Operating margin
16.4%
Net margin
9.1%
Return on equity
14.5%
Return on assets
6.6%
ROIC
14.1%
Revenue growth (QoQ)
1.5%
Net-income growth
50.2%
Debt / equity
0.5×
Net debt / EBITDA
1.0×
Current ratio
3.0×
Free cash flow
$69M
EBITDA
$138M
Tangible book value
-$7M
Cash & investments
$58M
Stock comp / revenue
1.0%
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-06-01 | Kozlovsky Suzanne | Sell | 33 | $266.98 |
| 2026-06-01 | Kozlovsky Suzanne | Sell | 92 | $269.68 |
| 2026-06-01 | Kozlovsky Suzanne | Sell | 310 | $270.51 |
| 2026-06-01 | Kozlovsky Suzanne | Sell | 46 | $271.56 |
| 2026-06-01 | Kozlovsky Suzanne | Sell | 214 | $272.42 |
| 2026-06-01 | Kozlovsky Suzanne | Sell | 36 | $274.91 |
| 2026-03-16 | Lai Kenneth Koon Keung | Sell | 552 | $203.21 |
| 2026-03-16 | BERNSTEIN DANIEL | Sell | 6.7K | $203.21 |
| 2026-03-16 | Dawson Stephen | Sell | 3.4K | $203.21 |
| 2026-03-16 | Kozlovsky Suzanne | Sell | 214 | $203.21 |
| 2026-03-15 | SEGALL MARK B | Grant | 1.0K | — |
| 2026-03-15 | Berry Joseph | Grant | 419 | — |
| 2026-03-15 | Lai Kenneth Koon Keung | Grant | 329 | — |
| 2026-03-15 | Bittner Peter | Grant | 762 | — |
| 2026-03-15 | BERNSTEIN DANIEL | Grant | 1.4K | — |
| 2026-03-15 | Smelker Thomas | I | 62 | — |
| 2026-03-15 | Dawson Stephen | Grant | 920 | — |
| 2026-03-15 | GILBERT PETER E | Grant | 2.0K | — |
| 2026-03-15 | Hutkin Lynn | Grant | 695 | — |
| 2026-03-15 | Vellucci Vincent | Grant | 1.0K | — |
| 2026-03-15 | Valletta David | Grant | 2.0K | — |
| 2026-03-15 | Smith Rita | Grant | 1.0K | — |
| 2026-03-15 | Kozlovsky Suzanne | Grant | 437 | — |
| 2026-03-15 | Smelker Thomas | Grant | 3.0K | — |
| 2026-03-15 | Tuweiq Farouq Salem Ali | Grant | 5.1K | — |
| 2026-03-06 | Bittner Peter | Sell | 12K | $195.00 |
| 2026-03-05 | Bittner Peter | Sell | 10K | $209.00 |
| 2026-02-25 | Tuweiq Farouq Salem Ali | Sell | 2.2K | $215.65 |
| 2026-02-25 | Tuweiq Farouq Salem Ali | Sell | 887 | $217.13 |
| 2026-02-25 | Tuweiq Farouq Salem Ali | Sell | 44 | $218.45 |
| 2026-02-25 | Tuweiq Farouq Salem Ali | Sell | 5.0K | $235.75 |
| 2026-02-25 | Tuweiq Farouq Salem Ali | Sell | 3 | $236.84 |
| 2026-02-25 | Tuweiq Farouq Salem Ali | Sell | 6.0K | $233.88 |
| 2026-02-25 | Tuweiq Farouq Salem Ali | Sell | 4.7K | $234.68 |
| 2026-02-25 | Tuweiq Farouq Salem Ali | Sell | 3.2K | $235.81 |
| 2026-02-25 | Tuweiq Farouq Salem Ali | Sell | 9.4K | $237.05 |
| 2026-02-25 | Tuweiq Farouq Salem Ali | Sell | 2.5K | $237.78 |
| 2026-02-25 | Tuweiq Farouq Salem Ali | Sell | 64 | $238.40 |
| 2026-02-24 | GILBERT PETER E | Sell | 4.5K | $238.75 |
| 2026-02-23 | SEGALL MARK B | Gift | 300 | — |
| 2025-12-12 | Hutkin Lynn | Sell | 700 | $171.74 |
| 2025-12-12 | Hutkin Lynn | Sell | 2.5K | $168.71 |
| 2025-12-12 | Hutkin Lynn | Sell | 1.1K | $169.49 |
| 2025-12-12 | Hutkin Lynn | Sell | 700 | $171.39 |
| 2025-11-18 | BERNSTEIN DANIEL | Sell | 677 | $141.96 |
| 2025-11-18 | Berry Joseph | Sell | 119 | $141.96 |
| 2025-11-18 | Lai Kenneth Koon Keung | Sell | 564 | $141.96 |
| 2025-11-17 | Berry Joseph | Sell | 408 | $144.23 |
| 2025-11-17 | BERNSTEIN DANIEL | Sell | 2.3K | $144.23 |
| 2025-11-17 | Lai Kenneth Koon Keung | Sell | 1.9K | $144.23 |
| 2025-11-12 | BERNSTEIN DANIEL | Gift | 257 | — |
| 2025-08-01 | Lai Kenneth Koon Keung | Sell | 1.9K | $128.00 |
| 2025-07-31 | Dawson Stephen | Sell | 1.2K | $127.07 |
| 2025-06-13 | Lai Kenneth Koon Keung | Sell | 4.0K | $84.03 |
| 2025-04-30 | BERNSTEIN DANIEL | Sell | 6.7K | $65.82 |
| 2025-03-17 | Kozlovsky Suzanne | Sell | 194 | $75.91 |
| 2025-03-15 | Berry Joseph Francis | Grant | 10K | — |
| 2025-03-15 | Hutkin Lynn Katherine | Grant | 10K | — |
| 2025-03-15 | Kozlovsky Suzanne | Grant | 580 | — |
| 2025-03-15 | Smith Rita V | Grant | 405 | — |
| 2025-03-15 | NOWLING ERIC M | Grant | 307 | — |
| 2025-03-15 | SEGALL MARK B | Grant | 405 | — |
| 2025-03-15 | Vellucci Vincent | Grant | 405 | — |
| 2025-03-15 | Valletta David | Grant | 1.2K | — |
| 2025-03-15 | GILBERT PETER E | Grant | 405 | — |
| 2025-03-15 | DOOLEY THOMAS E | Grant | 405 | — |
| 2025-03-15 | Brito Jacqueline T. | Grant | 307 | — |
| 2025-03-15 | BERNSTEIN DANIEL | Grant | 9.0K | — |
| 2025-03-15 | Tuweiq Farouq Salem Ali | Grant | 1.6K | — |
| 2025-03-15 | Dawson Stephen | Grant | 633 | — |
| 2025-03-15 | Lai Kenneth Koon Keung | Grant | 285 | — |
| 2025-03-15 | Bittner Peter G. III | Grant | 1.6K | — |
| 2025-02-03 | Tuweiq Farouq Salem Ali | Grant | 19K | — |
All non-derivative Form 4 activity (SEC), newest first.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2026-05-28 | Exec/director changeShareholder voteExhibits | filing ↗ |
| 2026-05-14 | Material agreementOtherExhibits | filing ↗ |
| 2026-05-12 | OtherExhibits | filing ↗ |
| 2026-04-29 | ResultsExhibits | filing ↗ |
| 2026-04-06 | ResultsExec/director changeExhibits | filing ↗ |
| 2026-02-24 | Auditor changeExhibits | filing ↗ |
| 2026-02-17 | ResultsExhibits | filing ↗ |
| 2026-01-15 | Exec/director changeReg FDOtherExhibits | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-05-28 | 2026-05-22 | 0001437749-26-018719 ↗ |
| 8-K | 2026-05-14 | 2026-05-12 | 0001213900-26-056732 ↗ |
| 8-K | 2026-05-12 | 2025-12-31 | 0001437749-26-016373 ↗ |
| 10-Q | 2026-05-05 | 2026-03-31 | 0001437749-26-014903 ↗ |
| 8-K | 2026-04-29 | 2026-04-29 | 0001437749-26-013888 ↗ |
| 8-K | 2026-04-06 | 2026-03-31 | 0001437749-26-011412 ↗ |
| 8-K/A | 2026-02-24 | 2025-12-04 | 0001437749-26-005358 ↗ |
| 10-K | 2026-02-24 | 2025-12-31 | 0001437749-26-005354 ↗ |
| 8-K | 2026-02-17 | 2026-02-17 | 0001437749-26-004366 ↗ |
| 8-K | 2026-01-15 | 2026-01-12 | 0001437749-26-001362 ↗ |
| 8-K | 2025-12-10 | 2025-12-04 | 0001437749-25-037380 ↗ |
| 8-K | 2025-12-03 | 2025-11-26 | 0001437749-25-036765 ↗ |