Lane Brian E. 4

What Happened

• Brian E. Lane, CEO of Comfort Systems USA, reported an open-market sale of 11,113 shares on May 5, 2026. The filing lists an average price of $1,969.84 per share for a total reported proceeds of $21,890,810. This was a sale (disposition) of shares.

Key Details

• Transaction date: 2026-05-05 (filed with the SEC on 2026-05-06; appears timely).
• Transaction type: Open market or private sale (Form 4 code S — sale/disposition).
• Price and value: 11,113 shares at an average price of $1,969.84, totaling $21,890,810 (average price per footnote).
• Shares owned after the transaction: Not specified in the information provided in the filing summary.
• Notable footnote: F1 notes the $1,969.84 is an average price; the company’s Office of the General Counsel can provide full details on the number of shares sold at specific prices upon request.
• Filing timeliness: Filing date (May 6, 2026) is next day after the reported transaction date and is within typical Form 4 timing requirements.

Context

• This report documents a sale by the CEO. Sales can be for many reasons (diversification, tax, planned trading programs, etc.) and do not on their own indicate management’s view of the company’s prospects. No option exercises, gifts, or other derivative transactions were reported in this filing.