GRILLO ANTHONY 4

What Happened
Anthony Grillo, a director of Littelfuse (LFUS), sold a total of 5,000 common shares in open-market transactions on Feb 10, 2026 for aggregate proceeds of about $1,731,220. On the same day he exercised 911 stock options at $199.24 per share (total cash paid ≈ $181,508). The sales were recorded as open-market disposals (transaction code S) and the option exercise as an M transaction (exercise/conversion of derivative).

Key Details

• Transaction date: Feb 10, 2026 (Form 4 filed Feb 11, 2026 — filed promptly the next day).
• Sales: 4,570 shares at a weighted average of $346.13 (footnote: trades ranged $346.00–$346.80), 390 shares at $347.35 (footnote: ranged $347.27–$347.40), and 40 shares at $348.47 — total sold = 5,000 shares; total proceeds ≈ $1,731,220.
• Option exercise: 911 shares acquired at $199.24/share (total paid ≈ $181,508). The filing also shows a derivative disposition for 911 shares (reported at $0), consistent with the exercise/conversion.
• Shares owned after the transactions: not specified in the provided filing summary.
• Notable footnotes: F1 and F2 explain that the sale prices shown are weighted averages across multiple trades and the filer will provide per-trade details upon request; F3 notes the 911 options vested in one-third increments beginning April 26, 2019.
• Timeliness: Filing appears timely (transaction 2/10/2026; report filed 2/11/2026).

Context

• The filing shows an option exercise plus separate open-market sales. Exercising options (M) means the holder converted option rights into shares by paying the exercise price; the simultaneous derivative disposition entry typically reflects removal of the option from holdings after conversion.
• Sales by directors can be routine (liquidity, diversification, tax withholding) and do not, by themselves, indicate company performance; purchases are often considered more informative about insider sentiment.