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.
The Littelfuse Inc (NASDAQ: LFUS) SEC filings page on Stock Titan brings together the company’s regulatory disclosures, helping investors review how this diversified industrial technology manufacturer reports its performance and material events. Littelfuse files annual reports on Form 10-K, quarterly updates on Form 10-Q, and current reports on Form 8-K, along with other required documents.
Recent Form 8-K filings illustrate how the company uses these reports to communicate important information. Littelfuse has filed 8-Ks to furnish quarterly earnings press releases, including segment-level data for its Electronics, Transportation, and Industrial businesses, as well as non-GAAP metrics such as organic net sales growth, adjusted operating income, adjusted EBITDA, and free cash flow. These filings also reference slide presentations and investor materials hosted on the company’s investor relations site.
Other 8-Ks document corporate actions and governance events. For example, Littelfuse filed an 8-K describing its entry into a membership interest purchase agreement to acquire Basler Electric Company, outlining key terms, conditions, and risk factors related to the transaction. Another 8-K reports on executive leadership changes within the Semiconductor Business of the Electronics segment.
On this page, users can access Littelfuse’s 10-K and 10-Q filings for detailed financial statements, risk factor discussions, and segment disclosures, as well as 8-Ks covering acquisitions, earnings releases, and leadership updates. Stock Titan’s AI-powered tools summarize lengthy filings, highlight important sections, and make it easier to interpret complex topics such as non-GAAP reconciliations, transaction agreements, and compensation-related disclosures. Investors can also review insider and governance-related filings, where available, to better understand the company’s corporate actions and reporting history.
Littelfuse Inc. (LFUS) reporting person Deepak Nayar, SVP & GM, Electronics Business, acquired 5,998 shares of Littelfuse common stock on 09/05/2025 at a reported price of $259.58 per share. The filing indicates these shares were accrued as payment of dividends on unvested restricted stock units, and the amount beneficially owned following the transaction is reported as 5,998 shares held directly. The Form 4 was signed by Ryan K. Stafford as power of attorney on 09/08/2025. This disclosure reflects an insider receipt of company equity tied to compensation arrangements rather than a market purchase.
David Ruppel, Senior Vice President & General Manager, Commercial Vehicle at Littelfuse Inc. (LFUS), reported an acquisition on 09/05/2025 of 5,341 shares of Littelfuse common stock at a price of $259.58 per share. The filing states these shares "represent shares accrued as payment of dividends on unvested restricted stock units," and lists the resulting beneficial ownership as 5,341 shares held directly. The Form 4 was signed under power of attorney by Ryan K. Stafford on 09/08/2025.
Conrad Alexander, listed as SVP & GM Passenger Vehicle at Littelfuse Inc. (LFUS), reported an acquisition on 09/05/2025. The Form 4 shows a non-derivative acquisition (Transaction Code A) of shares related to dividends on unvested restricted stock units; the report lists a price of $259.58 and indicates 3,433 shares beneficially owned following the transaction. The filing is signed under power of attorney by Ryan K. Stafford on 09/08/2025. The explanation states these shares were accrued as payment of dividends on unvested restricted stock units.
Maria C. Green, a director of Littelfuse Inc. (LFUS), reported an acquisition of 3,716 shares of Littelfuse common stock on 09/05/2025 at a price of $259.58 per share. The filing states these shares represent amounts accrued as payment of dividends on unvested restricted stock units, and the ownership listed is direct. The Form 4 was filed by one reporting person and signed by Ryan K. Stafford under power of attorney on 09/08/2025. The disclosure documents an insider share increase resulting from dividend accruals rather than a market purchase or option exercise.
Insider acquisition via dividend on restricted stock units. Kristina A. Cerniglia, a Littelfuse director, reported an acquisition on 09/05/2025 of 3 shares of Littelfuse Inc. common stock at an indicated per-share value of $259.58. The Form 4 shows these shares were accrued as payment of dividends on unvested restricted stock units rather than a market purchase.
After the transaction, the filing reports Ms. Cerniglia beneficially owns 4,252 shares directly. The Form 4 was filed individually and signed by a power of attorney, and contains no other derivative transactions or additional compensatory arrangements disclosed.
William P. Noglows, a director of Littelfuse, acquired shares through dividend reinvestment and dividend accrual on restricted stock units on 09/05/2025. Two non-derivative purchases at a reported price of $259.58 each show 20,760 and 20,763 shares acquired, respectively, reflecting dividend reinvestment and dividend payments on unvested RSUs. The filing also reports 2,500 shares held in trust for his son and 2,500 shares held in trust for his daughter, listed as indirect holdings. The transactions were reported on Form 4 and executed under routine dividend-related plans rather than open-market discretionary purchases.
Chung T J, a director of Littelfuse, Inc. (LFUS), reported two non-derivative acquisitions on 09/05/2025. The filing shows acquisition of 25 shares at $259.58 attributed to reinvestment of dividends under a deferred compensation plan, and acquisition of 3 shares at $259.58 representing dividends accrued on unvested restricted stock units. Following these transactions the report lists beneficial ownership totals of 18,755 and 18,758 shares respectively. The form indicates it was filed as a single reporting person and includes a checked box noting the transaction was made pursuant to a plan intended to satisfy Rule 10b5-1(c) affirmative defense. The filing is signed via power of attorney on 09/08/2025.
Hunter Gordon, a director of Littelfuse Inc. (LFUS), reported two non-derivative acquisitions on 09/05/2025. One entry shows shares acquired pursuant to reinvestment of dividends under a deferred compensation plan, and a second entry shows shares accrued as payment of dividends on unvested restricted stock units. The report lists 26,772 and 26,775 shares as the amounts beneficially owned following the respective transactions, with the transactions recorded at a price of $259.58.
The filing was signed by Ryan K. Stafford, as power of attorney, on 09/08/2025. All details in this summary are taken directly from the Form 4 content provided.
Littelfuse Inc. director Anthony Grillo acquired additional common shares on 09/05/2025 through dividend reinvestment and dividend accrual on unvested restricted stock units. The filing shows two non-derivative acquisitions at a price of $259.58 per share: 86 shares via reinvested dividends under a deferred compensation plan and 3 shares accrued as dividend payment on unvested RSUs, bringing his beneficial ownership to 74,227 shares.
The Form 4 is a routine insider reporting of compensation-related share accruals and reinvestment rather than an open-market purchase or sale, and it was signed by a power of attorney on 09/08/2025.
Insider transactions at Littelfuse (LFUS): Ryan K. Stafford, Executive VP, CLO & Corporate Secretary, exercised a stock option and sold shares on 08/25/2025. He acquired 10,206 shares via exercise of options with a $199.24 exercise price and sold those shares in three blocks: 4,923 shares at a weighted average price of $260.84, 4,783 shares at $261.72, and 500 shares at $262.60. Following these transactions the reporting person beneficially owned 30,727 shares.
The filing provides per-share weighted average sale prices and states the option vested in annual one-third increments beginning April 26, 2019.