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LITTELFUSE INC /DE (LFUS) SEC Filings & Filing Highlights

Littelfuse, Inc. designs, manufactures, and sells electronic components, modules, and subassemblies. Review LFUS SEC filings, filing highlights, and disclosure activity on Finoriq.

Company Snapshot

Littelfuse, Inc. designs, manufactures, and sells electronic components, modules, and subassemblies. It operates through three segments: Electronics, Transportation, and Industrial. Its Electronics segment offers fuses and fuse accessories, coefficient resettable fuses, switches and interconnect solutions, polymer electrostatic discharge suppressors, varistors, reed switch based magnetic sensing, and gas discharge tubes; and discrete transient voltage suppressor diodes, TVS diode arrays, protection and switching thyristors, silicon and silicon carbide metal-oxide-semiconductor field effect transistors and diodes, and insulated gate bipolar transistors. This segment serves data center computing and communications infrastructure, industrial controls, building controls, aerospace and defense, appliances, consumer electronics solutions, healthcare solutions, industrial equipment, energy storage, diversified industrials, grid and utility infrastructure, passenger vehicles, and commercial vehicles. Its Transportation segment provides blade, resettable, high-current, and high-voltage fuses; battery cable protectors; circuit breakers, and power distribution modules; and sensor products. This segment serves heavy-duty truck and bus, construction, agriculture, off-road and recreational vehicles, material handling, passenger and commercial vehicles, and marine markets. Its Industrial segment offers industrial fuses, protection relays, contactors, transformers, residual current devices and monitors, ground fault circuit interrupters, arc fault detection devices, solid state switches, and temperature sensors for use in renewable energy and energy storage systems, electric vehicle infrastructure, HVAC systems, industrial safety, non-residential construction, MRO, mining, and factory automation applications. It sells its products through distributors, direct sales force, and manufacturers' representatives. The company was founded in 1927 and is headquartered in Rosemont, Illinois.

Company
LITTELFUSE INC /DE (LFUS)
Ticker
LFUS
Market Cap
$10.1B
Latest Price
$399.67
Industry
Electrical Products

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LITTELFUSE INC /DE (LFUS) Recent SEC Filing Highlights

Recent SEC filings, filing events, and disclosure highlights indexed for LITTELFUSE INC /DE (LFUS).

EventFormDate
2026 Investor Day May 14 | New York City2026 Investor Day May 14 | New York City8-K7.012026-05-14
LITTELFUSE REPORTS FIRST QUARTER RESULTS FOR 2026LITTELFUSE REPORTS FIRST QUARTER RESULTS FOR 20268-K7.012026-05-06
LITTELFUSE REPORTS FIRST QUARTER RESULTS FOR 2026LITTELFUSE REPORTS FIRST QUARTER RESULTS FOR 20268-K2.022026-05-06
On April 22, 2026, the Company held its 2026 Annual Meeting of Stockholders. A quorum was prese...On April 22, 2026, the Company held its 2026 Annual Meeting of Stockholders. A quorum was present at the meeting as required by the Company...8-K5.072026-04-28
On April 22, 2026, in connection with equity grants to named executive officers under the Amend...On April 22, 2026, in connection with equity grants to named executive officers under the Amended and Restated Littelfuse, Inc. Long-Term I...8-K5.022026-04-28

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