Welcome to our dedicated page for Littelfuse 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.
Littelfuse Inc. filings document operating results, governance matters, financing arrangements, and executive compensation for a Delaware public company focused on electrical energy transfer and circuit protection products. Form 8-K reports include quarterly and annual results furnished with investor presentations, Regulation FD materials, material definitive agreements, and leadership or board changes.
Proxy materials describe annual meeting proposals, director elections, advisory executive-compensation votes, auditor ratification, board committee matters, and related governance disclosures. Other filings cover the company's senior unsecured revolving credit facility, long-term incentive plan award agreements, executive separation arrangements, and capital-structure matters tied to working capital, capital expenditures, acquisitions, and general corporate purposes.
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.
Littelfuse, Inc. reported that it has agreed to the separation of Ryan K. Stafford, its Executive Vice President, Mergers & Acquisitions, Chief Legal Officer and Corporate Secretary, effective April 30, 2026. The separation terms are set out in a Letter Agreement dated January 7, 2026.
Subject to his signing and not revoking a Separation and Release Agreement, Mr. Stafford will receive a lump-sum cash payment under the company’s Executive Severance Policy, accelerated vesting of 50% of the restricted stock units granted on January 23, 2025, a prorated 2026 cash bonus under the Annual Incentive Plan, and continued or reimbursed welfare and fringe benefits for limited transition periods. The company and Mr. Stafford also plan to enter into a Separation and Release Agreement with customary confidentiality, release of claims, and non-disparagement provisions.
Littelfuse Inc. disclosed insider stock transactions by an officer serving as SVP & GM Industrial Business. On December 11, 2025, the officer exercised a stock option covering 2,049 shares of common stock at an exercise price of $132.08 per share, converting the option into directly owned shares.
That same day, the officer sold 2,029 shares of Littelfuse common stock at a weighted average price of $270.02 per share and an additional 20 shares at $270.41 per share. After completing these transactions, the officer directly beneficially owned 10,175 shares of Littelfuse common stock.
Littelfuse Inc. reported an insider stock transaction by its Executive Vice President, Chief Legal Officer and Corporate Secretary. On 12/11/2025, the officer sold 2,162 shares of Littelfuse common stock.
The shares were sold in multiple transactions at a weighted average price of $268.31 per share, with individual trade prices ranging from $267.92 to $268.65. Following these sales, the officer beneficially owns 28,591 shares of Littelfuse common stock directly.
Littelfuse Inc. reported an insider transaction by a director involving company common stock. On 12/05/2025, the director acquired 3 shares of Littelfuse common stock at a price of $258.99 per share. The filing explains that these shares represent stock accrued as payment of dividends on unvested restricted stock units.
After this transaction, the director beneficially owned 1,814 shares of Littelfuse common stock, held directly. The report is filed for one reporting person in the capacity of a director of the company.
Littelfuse Inc. reported an insider stock transaction by its SVP, CHRO. On 12/05/2025, the officer acquired 7 shares of Littelfuse common stock at $258.99 per share, recorded as shares accrued as dividend payments on unvested restricted stock units. After this transaction, the officer directly beneficially owns 6,719 shares of Littelfuse common stock.
Littelfuse Inc. insider transaction: A director and officer serving as President & CEO acquired 37 shares of Littelfuse common stock on 12/05/2025 at a price of $258.99 per share. These shares represent dividends paid on unvested restricted stock units. Following this acquisition, the reporting person directly beneficially owns 13,951 Littelfuse shares.