Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _____________________ FORM 10-K (MARK ONE) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ___________ to ____________ Commission File No. 000-11676 _____________________ BEL FUSE INC. 206 Van Vorst Street Jersey C ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended September 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ___________ to ____________ Commission File No. 0-11676 BEL FUSE INC. 206 Van Vorst Street Jersey City, NJ 07302 (201) 432-0463 (Address of principal exec ...

Large accelerated filer ☐ Accelerated filer ☒ Non-accelerated filer ☐ Smaller reporting company ☒ Emerging growth company ☐ Title of Each Class Trading Symbol Name of Exchange on Which Registered Class A Common Stock ($0.10 par value)BELFA Nasdaq Global Select Market Class B Common Stock ($0.10 par value)BELFB Nasdaq Global Select Market UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE A ...

Large accelerated filer ☐ Accelerated filer ☒ Non-accelerated filer ☐ Smaller reporting company ☒ Emerging growth company ☐ Title of Each Class Trading Symbol Name of Exchange on Which Registered Class A Common Stock ($0.10 par value)BELFA Nasdaq Global Select Market Class B Common Stock ($0.10 par value)BELFB Nasdaq Global Select Market UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE A ...

Title of Each Class Trading Symbol Name of Each Exchange on which Registered Class A Common Stock ($0.10 par value) BELFA NASDAQ Global Select Market Class B Common Stock ($0.10 par value) BELFB NASDAQ Global Select Market (MARK ONE) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2019 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ___________ to _______ ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Title of Each Class Trading Symbol Name of Exchange on Which Registered Class A Common Stock ($0.10 par value)BELFA Nasdaq Global Select Market Class B Common Stock ($0.10 par value)BELFB Nasdaq Global Select Market FORM 10-Q (MARK ONE) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended September 30, 2019 or [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF T ...

Bel Fuse Inc. (NASDAQ:BELFB) Q3 2019 Results Conference Call October 30, 2019 11:00 AM ET Company Participants Dan Bernstein - President and CEO Craig Brosious - VP, Finance Carlos Quintanilla - Corporate Account Manager Conference Call Participants Theodore O'Neill - Litchfield Hills Research Jim Ricchiuti - Needham & Company Hendi Susanto - G. Research Operator Good day, and welcome to the Bel Fuse Inc. Third Quarter 2019 Results Conference Call. Today's conference is being recorded. At this time, I'd lik ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _____________________ Large accelerated filer [ ] Accelerated filer [X] Non-accelerated filer [ ] Smaller reporting company [X] Emerging growth company [ ] Title of Each Class Trading Symbol Name of Exchange on Which Registered Class A Common Stock ($0.10 par value)BELFA Nasdaq Global Select Market Class B Common Stock ($0.10 par value)BELFB Nasdaq Global Select Market FORM 10-Q (MARK ONE) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR ...

Bel Fuse Inc. (NASDAQ:BELFB) Q2 2019 Earnings Conference Call August 1, 2019 11:00 AM ET Company Representatives Dan Bernstein - President, Chief Executive Officer Craig Brosious - Vice President of Finance Lynn Hutkin - Director of Financial Reporting Conference Call Participants Theodore O’Neill - Litchfield Hills Research Jim Ricchiuti - Needham & Company Hendi Susanto - G. Research Operator Good day, and welcome to the Bel Fuse Inc. Second Quarter 2019 Results Conference Call. Today’s conference is bei ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _____________________ Large accelerated filer [ ] Accelerated filer [X] Non-accelerated filer [ ] Smaller reporting company [X] Emerging growth company [ ] Title of Each Class Trading Symbol Name of Exchange on Which Registered Class A Common Stock ($0.10 par value)BELFA Nasdaq Global Select Market Class B Common Stock ($0.10 par value)BELFB Nasdaq Global Select Market FORM 10-Q (MARK ONE) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR ...