Littelfuse Inc.

Last updated September 27, 2026

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Organization details

Legal name: Littelfuse Inc.
Ownership: Public
Status: Active
Sector (GICS): Industrials
SIC code: 3613 — Switchgear & Switchboard Apparatus
Jurisdiction of incorporation: Delaware
Headquarters city: Rosemont
Headquarters state / province: Illinois
Headquarters country: United States
Fiscal year end: December
Ticker symbol: LFUS
Primary stock exchange: Nasdaq

Identifiers

SEC CIK: 0000889331
EIN: 36-3795742

Board of directors

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Anthony Grillo · Director
Since 2023
Cary T. Fu · Director
Since 2023
David W. Heinzmann · Director · President & CEO
Since 2023
Gayla J. Delly · Director
Since 2023
Gordon Hunter · Director
Since 2023
Gregory N. Henderson · Director · President & CEO
Since 2023
Holly Beth Paeper · Director
Since 2026
Kristina A. Cerniglia · Director
Since 2023
Maria C. Green · Director
Since 2023
T. J. Chung · Director
Since 2023
Todd P. Kelsey · Director
Since 2026
William P. Noglows · Director
Since 2023

Chief executives

David W. Heinzmann · President & CEO

Dates unknown

Gregory N. Henderson · President & CEO

Dates unknown

Director election results

Annual meeting of April 22, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

8 of this board's directors also sit on 29 other boards. 4 are in the same sector.

Shared director Other board Same sector +13 more in the list below

Airgain Inc.
via T. J. Chung
Aspen Aerogels Inc. Same sector
via William P. Noglows
BrandywineGLOBAL Global Income Opportunities Fund Inc.
via Anthony Grillo
Broadcom Inc.
via Gayla J. Delly
ClearBridge Energy Midstream Opportunity Fund Inc.
via Anthony Grillo
Flowserve Corporation Same sector
via Gayla J. Delly
Franklin Managed Municipal Income Trust
via Anthony Grillo
Franklin Master Intermediate Income Trust
via Anthony Grillo
Franklin Municipal Opportunities Trust
via Anthony Grillo
Franklin Premier Income Trust
via Anthony Grillo
Gentherm Inc
via David W. Heinzmann
LMP Capital and Income Fund Inc.
via Anthony Grillo
Martin Marietta Materials Inc.
via Gayla J. Delly
Plexus Corp.
via Todd P. Kelsey
Tennant Company Same sector
via Maria C. Green
Veeco Instruments Inc. Same sector
via Gordon Hunter
WEC Energy Group Inc.
via Maria C. Green
Western Asset Diversified Income Fund
via Anthony Grillo
Western Asset Emerging Markets Debt Fund Inc
via Anthony Grillo
Western Asset Global Corporate Opportunity Fund Inc.
via Anthony Grillo
Western Asset Global High Income Fund Inc
via Anthony Grillo
Western Asset High Income Fund II Inc.
via Anthony Grillo
Western Asset High Income Opportunity Fund Inc.
via Anthony Grillo
Western Asset High Yield Opportunity Fund Inc.
via Anthony Grillo
Western Asset Intermediate Muni Fund Inc
via Anthony Grillo
Western Asset Investment Grade Opportunity Trust Inc.
via Anthony Grillo
Western Asset Managed Municipals Fund Inc.
via Anthony Grillo
Western Asset Mortgage Opportunity Fund Inc.
via Anthony Grillo
Western Asset Municipal High Income Fund Inc.
via Anthony Grillo

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months: $0; 0 purchases by 0 insiders
Sold, last 12 months: $36,715,575; 57 sales by 9 insiders

Date	Insider	Transaction	Shares	Price	Value
Oct 29, 2026	Ruppel David Officer (SVP & GM Transportation Bus.)	Option exercise	+1,112	$251.82	$280,024
Oct 29, 2026	Holly Beth Paeper Director	Grant or award	+62	$404.08	$25,053
Oct 29, 2026	Ruppel David Officer (SVP & GM Transportation Bus.)	Open-market sale	−1,493	$404.57	$604,023
Sep 3, 2026	T. J. Chung Director	Grant or award	+17	$414.24	$7,042
Sep 3, 2026	Kristina A. Cerniglia Director	Grant or award	+1	$414.24	$414
Sep 3, 2026	Maggie Chu Officer (SVP, CHRO)	Grant or award	+5	$414.24	$2,071
Sep 3, 2026	D'Angelo Anne-Marie W Officer (SVP & CLO)	Grant or award	+3	$414.24	$1,243
Sep 3, 2026	Maria C. Green Director	Grant or award	+3	$414.24	$1,243
Sep 3, 2026	Anthony Grillo Director	Grant or award	+58	$414.24	$24,026
Sep 3, 2026	Gorski Jeffrey G Officer (SVP & Chief Accounting Officer)	Grant or award	+1	$414.24	$414
Sep 3, 2026	Gordon Hunter Director	Grant or award	+7	$414.24	$2,900
Sep 3, 2026	Hamed Karim Wagdy Officer (SVP & GM Semiconductor Busines)	Grant or award	+5	$414.24	$2,071
Sep 3, 2026	Gregory N. Henderson Director, Officer (President & CEO)	Grant or award	+30	$414.24	$12,427
Sep 3, 2026	Todd P. Kelsey Director	Grant or award	+1	$414.24	$414
Sep 3, 2026	Khandelwal Abhishek Officer (Executive VP, CFO)	Grant or award	+15	$414.24	$6,214

Peers

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Questions about Littelfuse Inc.

Who is the CEO of Littelfuse Inc.?

David W. Heinzmann is Littelfuse Inc.'s President & CEO.

How many directors are on Littelfuse Inc.'s board?

Littelfuse Inc.'s board has 12 directors: Anthony Grillo, Cary T. Fu, David W. Heinzmann, Gayla J. Delly, Gordon Hunter, Gregory N. Henderson, Holly Beth Paeper, Kristina A. Cerniglia, Maria C. Green, T. J. Chung and 2 others.

Are Littelfuse Inc. insiders buying or selling shares?

Over the last 12 months, Littelfuse Inc. insiders made no open-market purchases and sold $36.7 million of shares in 57 sales on the open market, as reported to the SEC on Forms 4 and 5.

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