SANDBROOK WILLIAM J 4

What Happened
William J. Sandbrook, a director of Comfort Systems USA, sold 2,500 shares in an open-market transaction on February 24, 2026. The filing reports an average sale price of $1,443.32 per share for a reported total of $3,608,294. This was a sale (liquidation) rather than a purchase or option exercise.

Key Details

• Transaction date: 2026-02-24 (reported on Form 4 filed 2026-02-26). Filing appears timely (within the normal 2-business-day period).
• Transaction type: Open-market sale (code S).
• Shares sold: 2,500 at an average reported price of $1,443.32; reported aggregate value $3,608,294. (Footnote F1: average price reported; exact per-lot prices can be requested from the company’s Office of the General Counsel.)
• Shares owned after transaction: Not specified in the filing; footnote F2 notes the reporting person’s holdings include 170 shares held indirectly.
• No indication this was an option exercise, gift, tax-withholding, or governed by a 10b5-1 plan in the filing.

Context
Insider sales are often routine (e.g., for diversification or liquidity) and do not by themselves indicate company performance. Purchases typically carry stronger signals about insider confidence. This filing is a straightforward director sale; no additional derivative activity or special circumstances were disclosed.