David Ruppel, Senior Vice President and General Manager of the Transportation Business at Littelfuse Inc /DE (NASDAQ:LFUS), filed a Form 4 on October 30, 2026, reporting a stock option exercise and a subsequent sale of common stock on October 29, 2026.

Key Highlights

  • Option exercise: Ruppel acquired 1,112 shares of common stock via a stock option exercise (transaction code M) at a conversion price of $251.82 per share on October 29, 2026.
  • Sale transaction: Ruppel disposed of 1,493 shares (transaction code S) at a weighted average price of $404.57 per share on October 29, 2026.
  • Sale price range: According to the filing, the shares were sold in multiple transactions at prices ranging from $404.07 to $404.75, inclusive.
  • Remaining direct holdings: Following the reported transactions, Ruppel directly held 4,720 shares of common stock.
  • Derivative position: The filing shows 1,112 stock options (right to buy) remaining, with an exercise price of $251.82 and an expiration date of August 14, 2031.
  • Option vesting schedule: The underlying option for 3,337 shares vests in increments of one-third annually beginning on the first anniversary of the August 14, 2024 grant date.

Ruppel's October 29 Option Exercise and Share Sale at Littelfuse

According to the Form 4 filed with the SEC on October 30, 2026, David Ruppel, identified in the filing as SVP and GM Transportation Business at Littelfuse Inc /DE, executed two transactions in the company's common stock on October 29, 2026. The filing was submitted on behalf of Ruppel by Anne-Marie D'Angelo under a Power of Attorney.

The filing discloses that Ruppel first exercised a stock option (transaction code M) to acquire 1,112 shares at the option's conversion price of $251.82 per share, bringing his directly held position to 6,213 shares. He then sold 1,493 shares (transaction code S) at a weighted average price of $404.57 per share. The filing notes that the sale was conducted across multiple transactions at prices ranging from $404.07 to $404.75, inclusive, and that full details on shares sold at each separate price are available upon request to the SEC, the issuer, or a security holder. After both transactions, the filing reports his direct beneficial ownership at 4,720 shares of common stock.

With respect to derivative securities, the filing shows 1,112 stock options (right to buy common stock) remaining directly held, carrying an exercise price of $251.82 and an expiration date of August 14, 2031. The filing states that the original option covered 3,337 shares and vests in increments of one-third annually beginning on the first anniversary of the August 14, 2024 grant date. The reported derivative transaction price is listed as $0.

What Was Disclosed

Ruppel's Form 4 reported a stock option exercise for 1,112 shares and a sale of 1,493 shares of Littelfuse common stock on October 29, 2026, leaving him with a direct beneficial ownership of 4,720 shares and 1,112 remaining stock options.