Welcome to our dedicated page for LITTELFUSE /DE SEC filings (Ticker: LFUS), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Our SEC filing database is enhanced with expert analysis from Rhea-AI, providing insights into the potential impact of each filing on LITTELFUSE /DE's stock performance. Each filing includes a concise AI-generated summary, sentiment and impact scores, and end-of-day stock performance data showing the actual market reaction. Navigate easily through different filing types including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, proxy statements (DEF 14A), and Form 4 insider trading disclosures.
Designed for fundamental investors and regulatory compliance professionals, our page simplifies access to critical SEC filings. By combining real-time EDGAR feed updates, Rhea-AI's analytical insights, and historical stock performance data, we provide comprehensive visibility into LITTELFUSE /DE's regulatory disclosures and financial reporting.
Littelfuse senior vice president Kim Peter Sung-Jip reported exercising employee stock options and selling shares of the company’s common stock. On February 2, 2026, he exercised options for 5,488 shares at an exercise price of $166.63 per share.
On the same day, he sold a total of 5,488 common shares in several market transactions at weighted average prices ranging from about $325.44 to $328.14 per share, as detailed in the price ranges in the footnotes. After these transactions, he directly owned 10,175 Littelfuse shares.
Littelfuse executive Stafford Ryan K, Executive VP, CLO & Corporate Secretary, exercised stock options for 16,839 shares of common stock at $132.08 per share on 02/02/2026. On the same day, he sold 16,839 shares in several market transactions at prices around $325–$327 per share.
After these transactions, he continued to directly own 28,591 shares of Littelfuse common stock. The option for 16,839 shares had vested in three equal annual installments beginning one year after its April 23, 2020 grant date.
Littelfuse SVP & GM Electronics Business Deepak Nayar reported a series of stock option exercises and share sales in company common stock. On February 2, 2026, he exercised options for 4,300 shares at $267.84 and 4,575 shares at $240.76, receiving an equal number of common shares.
That same day, he sold a total of 8,875 shares of Littelfuse common stock in multiple transactions, at weighted average prices ranging from about $320 to $325.50, as detailed in several price-range footnotes. After these transactions, he directly owned 6,009 shares of Littelfuse common stock.
Littelfuse senior vice president David Ruppel reported an option exercise and same-day share sales. On February 2, 2026, he exercised 1,113 stock options for Littelfuse common stock at $251.82 per share, increasing his directly held common shares.
That same day, he sold 1,113 shares at $320.78 per share and an additional 382 shares at $322.31 per share. After these transactions, he directly owned 4,965 shares of common stock and 2,224 stock options, with the option grant for 3,337 shares vesting in thirds annually starting one year after the August 14, 2024 grant date.
LFUS has a Rule 144 notice for a planned sale of 2,061 common shares, with an aggregate market value of $673,356.23. The shares are to be sold through Merrill on the NASDAQ around 02/04/2026, with 24,901,687 shares outstanding. The seller acquired these shares on 06/01/2021 via a stock option exercise from Littlefuse and is paying in cash dated 02/04/2026.
A holder of Littelfuse, Inc. common stock filed a notice to sell 1,495 shares under Rule 144. The planned sale, through Merrill in Columbus, Ohio, has an aggregate market value of $480,160.82 and is targeted around 02/02/2026 on the NASDAQ exchange.
The securities to be sold were acquired from Littelfuse via a stock option exercise on 08/14/2024 for 1,113 shares, paid in cash, and a restricted stock vest on 08/14/2025 for 382 shares. Littelfuse had 24,901,687 common shares outstanding, providing context for the transaction size.
Peter Kim has filed a Form 144 to sell 5,488 shares of Littlefuse common stock. The shares are to be sold through Merrill in Columbus, Ohio, on or about 02/02/2026 on the NASDAQ, with an aggregate market value of $1,791,013.41 and 24,901,687 shares outstanding.
The shares were acquired on 07/10/2020 via a stock option exercise from Littlefuse and are to be paid for in cash. In the past three months, Peter Kim also sold 2,049 common shares on 12/11/2025 for gross proceeds of $553,284.68. By signing the notice, he represents that he knows no undisclosed material adverse information about Littlefuse.
Littelfuse, Inc. investor Ryan Stafford has filed to sell 16,839 shares of Littelfuse common stock. The shares are expected to be sold on or about 02/02/2026 through Merrill on the NASDAQ, with an aggregate market value of $5,476,944.01.
The shares were originally acquired on 04/23/2020 through a stock option exercise, with cash payment dated 02/02/2026. Over the past three months, Stafford previously sold 2,162 common shares on 12/11/2025 for gross proceeds of $580,102.96.
Littelfuse insider Deepak Nayar has filed a notice of intent to sell 8,875 shares of Littelfuse common stock. The planned sale, through Merrill on the NASDAQ, has an aggregate market value of 2,853,760.71, with 24,901,687 shares of common stock reported as outstanding.
The shares to be sold were acquired by exercising stock options from Littelfuse on April 22, 2021 (4,300 shares) and April 27, 2023 (4,575 shares), with cash payment dated February 2, 2026. In the past three months, Nayar has also sold blocks of Littelfuse common shares, including 2,333 shares for gross proceeds of 596,018.50 on November 26, 2025, 3,036 shares for 786,712.40 on December 4, 2025, and 4,454 shares for 1,153,935.60 on December 5, 2025.
Littelfuse, Inc. filed a current report to furnish a press release announcing its results of operations for the quarter and full year ended December 27, 2025. The press release is attached as Exhibit 99.1 and an accompanying investor presentation is attached as Exhibit 99.2.
Both documents, which include forward-looking statements about the company’s objectives, strategies, financial condition and business, are also made available on the Littelfuse investor relations website.