LFUS insider trading
NasdaqGS TechnologyLITTELFUSE INC /DE — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.
About LITTELFUSE INC /DE
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 website: www.littelfuse.com
LFUS insider activity at a glance
FilingIQ has scored 1,593 insider transactions for LFUS since Jan 15, 2015. The most recent filing in our index is dated Apr 30, 2026.
Across the full history, 10 open-market purchases
and 487 open-market sales
were filed under transaction codes P and S respectively. Compensatory share awards
(code A) and option exercises (code M) are tracked separately and not counted here.
The average FilingIQ composite score on LFUS insider trades is 61.7/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.
Latest LFUS Form 4 filings
Most recent disclosures. Sign up to filter by score, transaction code, or insider role.
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13F funds holding LFUS
Frequently asked
- How many insider trades does FilingIQ track for LFUS?
- FilingIQ tracks 1,593 Form 4 insider transactions for LFUS (LITTELFUSE INC /DE), covering filings from Jan 15, 2015 onwards. 75 of those were filed in the last 90 days.
- Are LFUS insiders net buyers or net sellers?
- Across the full Form 4 history for LFUS, 10 transactions (1%) were open-market purchases and 487 (31%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
- Where does LFUS insider data come from?
- Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
- What sector is LFUS in?
- LITTELFUSE INC /DE (LFUS) is classified in the Technology sector, specifically Electronic Components, with a current market capitalisation of $9.43B.
Methodology & sources
Every LFUS insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.