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.
Parsing Littelfuse’s multilayered disclosures can feel like troubleshooting a blown fuse in the dark. Segment revenue for power semiconductors, updates on EV-charging components, and supply-chain risk notes are buried deep in the footnotes of a 300-page report. That’s why investors searching for “Littelfuse SEC filings explained simply” start here.
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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.
Littelfuse (LFUS) disclosed that a director acquired common stock in a routine insider transaction. On 10/30/2025, the director reported acquiring 103 shares of common stock at $242.83 per share, pursuant to a deferred compensation plan.
After this transaction, the director’s beneficial ownership stands at 74,330 shares, held directly. The filing is administrative in nature and reflects plan-based share accumulation rather than an open-market purchase.
Littelfuse, Inc. (LFUS) reported stronger Q3 results. Net sales were $624.6 million versus $567.4 million a year ago, with diluted EPS of $2.77 compared to $2.32. Operating income rose to $97.4 million, reflecting solid gross profit and disciplined costs.
Growth was broad-based: the Electronics segment delivered $357.5 million, Transportation $171.3 million, and Industrial $95.9 million. The Dortmund Fab, acquired on December 31, 2024, contributed $12.9 million in Q3 net sales and a $1.5 million pretax loss as integration continues.
Balance sheet and cash flow remained robust. Cash and cash equivalents were $814.7 million, and total debt stood at $805.8 million. For the first nine months, operating cash flow reached $295.1 million, supporting $53.3 million in dividends, $27.6 million in buybacks, and $50.0 million repayment of senior notes. Shares outstanding were 24,901,687 as of October 24, 2025.
Littelfuse, Inc. (LFUS) furnished an 8-K announcing it issued a press release on results for the quarter ended September 27, 2025. The company provided two exhibits: a press release and an investor presentation, both also available on its website.
The information under Item 2.02 and the attached exhibits are furnished, not filed. The materials include forward-looking statements intended to be covered by the Private Securities Litigation Reform Act safe harbor.
Littelfuse (LFUS) agreed to acquire Basler Electric Company by purchasing all membership interests from Basler Holdings for $350 million in cash, subject to post‑closing adjustments. The agreement was signed on October 24, 2025.
Closing is conditioned on customary approvals, including expiration or termination of the HSR Act waiting period, the absence of injunctions, and receipt of specified governmental consents. Both parties must use commercially reasonable efforts to obtain antitrust clearances and satisfy other closing conditions.
The seller agreed to operate Basler in the ordinary course before closing and limit certain actions without Littelfuse’s consent. Littelfuse obtained a representations and warranties insurance policy, and both sides agreed to mutual indemnities, with additional non‑compete and related agreements executed with original owners and shareholders.
Gayla J. Delly, a director of Littelfuse Inc. (LFUS), reported a transaction on 09/05/2025 showing an acquisition of 3 shares of Littelfuse common stock at a price of $259.58 per share. The filing states these shares represent dividends accrued on unvested restricted stock units. After the transaction, Delly beneficially owns 1,811 shares in a direct capacity. The Form 4 was signed by Ryan K. Stafford under power of attorney on 09/08/2025. The report indicates a routine insider equity accrual rather than a market purchase or sale.
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