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.
Littelfuse SVP and CHRO Maggie Chu reported a same-day option exercise and sale in company stock. On May 20, 2026, she exercised stock options for a total of 11,397 shares of Common Stock at strike prices between $230.39 and $240.76 per share.
On the same date, she sold 11,397 shares of Common Stock in open-market transactions at weighted average prices between about $435.22 and $437.37 per share, with actual sale prices ranging from $435.00 to $437.72 according to the footnotes. The filing shows she continues to hold Common Stock directly after these transactions.
D'Angelo Anne-Marie W reported acquisition or exercise transactions in this Form 4 filing.
LITTELFUSE INC /DE reported that SVP & Chief Legal Officer Anne-Marie W D'Angelo received a grant of 1,689 restricted stock units representing Common Stock at no cost under the Littelfuse/IXYS Corporation Long-Term Incentive Plan. The award vests in one-third increments annually starting on the first anniversary of the grant date. Following this compensation-related grant, her reported direct holdings total 1,689 shares of Common Stock.
Littelfuse Inc. executive Anne-Marie W. D'Angelo, the company's SVP & Chief Legal Officer, has filed a Form 3, which is an initial statement of beneficial ownership of securities. This filing establishes her status as an insider but does not report any share transactions.
Littelfuse, Inc. submitted a Form 144 notice disclosing proposed sales of Common Stock tied to prior stock option exercises and recent brokered dispositions. The filing lists option-related shares dated 04/28/2022, 04/27/2023, and 04/25/2024 with quantities 4030, 4283, and 3084. It also reports recent sales by Maggie Chu of 815 shares for $319,863.05 and 282 shares for $111,925.80.
Littelfuse SVP Deepak Nayar, head of the Electronics Business, reported an exercise-and-sell transaction in company common stock. On May 18, 2026, he exercised stock options for a total of 4,620 shares at strike prices of $230.39 and $240.76 per share, converting derivative awards into common stock. The same day, he completed open-market sales totaling 5,911 shares at an average price of $446.78 per share. After these transactions, he continues to hold 4,882 shares of Littelfuse common stock directly, indicating that a meaningful portion of his equity stake remains invested in the company.
Littelfuse senior vice president David Ruppel reported an open-market sale of 506 shares of common stock. The shares were sold at a price of $445.16 per share. After this transaction, he continues to hold 5,260 Littelfuse common shares directly, indicating he retains a meaningful equity stake in the company.
Littelfuse President & CEO Gregory N. Henderson reported a small share disposition related to taxes. On the transaction date, 27 shares of common stock were transferred at $446.11 per share to satisfy tax obligations tied to vesting restricted stock units. After this tax-withholding event, he directly holds 19,075 shares of Littelfuse common stock.
Littelfuse, Inc. (LFUS) filed a Rule 144 notice relating to proposed dispositions of 5,911 shares of Common Stock to be sold through Nasdaq on 05/18/2026. The filing lists recent acquisitions that created the holdings, including option exercises and restricted stock vesting in April 2026.
The record shows specific lots from option exercises and vesting: 2,287 and 2,333 shares from earlier option exercises and multiple restricted stock vests of 567, 369, and 348 shares, plus a 7-share dividend-equivalent vesting. The filing is a notice of intended resale under Rule 144; timing and exact sale mechanics are tied to the stated sale date.
Littelfuse, Inc. reported a Form 144 notice indicating an affiliate intends to sell securities tied to recent vesting events. The filing lists 500 shares from a Restricted Stock Vest and 6 shares from a Dividend Equivalent Stock Vest, both dated 04/24/2026. The Form 144 is dated 05/18/2026 and identifies a broker reference of 506.
Littelfuse, Inc. furnished an Investor Day presentation outlining its strategy around global electrification, segment growth plans, and detailed non-GAAP financial metrics. For 2025, the company reports net sales of $2.39 billion, adjusted EBITDA of $498.6 million, and free cash flow of $366.1 million, with a consolidated net leverage ratio of 1.0x.
The company’s 2030 ambition targets $4.5 billion in revenue, $1.1 billion in adjusted EBITDA, and over $600 million in annual free cash flow, implying 8%–10% annual revenue growth driven by core markets and high‑growth opportunities in grid and utility infrastructure, data centers, and aerospace & defense. Littelfuse also highlights disciplined M&A, including the Basler acquisition, and a focus on operational excellence, portfolio rationalization, and capital allocation to support margin expansion to a 24%–26% adjusted EBITDA margin by 2030.