Littelfuse LFUS Insider Ownership

Updated Oct 10, 2026

Over the past year, LFUS insiders sold $33.47 million of stock (92.64K shares) on the open market and bought none.

• Littelfuse's open-market sales in the past 12 months came from 9 insiders; no insider bought.
• Peter Sung-Jip Kim (SVP & GM Industrial Business) was the top open-market seller of Littelfuse over the past 12 months, with $7.29 million sold (17.71K shares) and the latest sale on June 2, 2026.
• Jeffrey G. Gorski (SVP & Chief Accounting Officer) made the most recent open-market trade by an insider of Littelfuse, a sale of 1.39K shares for $670,163 on June 18, 2026.
• Apart from open-market trades, LFUS insiders received 19.51K shares in stock awards, acquired 81.01K shares through option exercises and conversions, gave up 8.44K shares to cover taxes or exercise prices and gave away 3K shares as gifts in the past 12 months.
• Business Quant data shows Littelfuse insiders holding 287.17K shares in total in their latest Form 4 filings, or 1.13% of the 25.4Mn shares outstanding; that total is down 17.64% from 348.67K shares at the end of Q3 2025.
• Littelfuse insiders hold 282.17K shares directly (98.26% of their total) and 5K shares (1.74%) indirectly, through entities such as trusts and partnerships.
• LFUS's insider total is spread across 23 insiders who have filed a Form 4 in the past two years.
• LFUS's three largest insider shareholders, per their latest Form 4 filings, are Anthony Grillo (Director, 64.99K shares), William P. Noglows (Director, 27.19K shares) and Ryan K. Stafford (Executive VP, CLO & Corporate Secretary, 27.13K shares).
• The largest insider, Anthony Grillo, holds 22.63% of LFUS's insider total.
• Over the past 12 months, 19 insiders reported transactions in Littelfuse stock in 117 Form 4 filings.
• The insider holdings and trades above for Littelfuse reflect Form 4 filings through September 8, 2026.