CHIEF EXECUTIVE OFF.

CHIEF FINANCIAL OFFICER

Director

Comfort Systems USA Inc provides comprehensive mechanical contracting services, including heating, ventilation, & air conditioning, or HVAC; plumbing; piping & controls; construction; and other electrical components. Projects are mainly for commercial, industrial, & institutional buildings, & tend to be geared toward HVAC. Revenue is roughly split between installation services for newly constructed facilities & maintenance services for existing buildings. The company installs & repairs products and systems throughout the United States. It operates in two segments, Mechanical services & Electrical services, the majority is from the Mechanical services segment.

Institution	Shares	Value	Change
Vanguard	4,533,716	$9.0B	INCREASED
BlackRock	3,397,683	$6.7B	DECREASED
FMR	1,659,799	$3.3B	INCREASED
State Street	1,537,139	$3.0B	INCREASED
Geode Capital Management	1,151,350	$2.3B	DECREASED

Insider	Type	Shares	Value	Date
Brian E. Lane (CHIEF EXECUTIVE OFF.)	SELL	16,024	$26M	2026-08-26
William George III (CHIEF FINANCIAL OFFICER)	SELL	2,554	$5M	2026-08-17
Franklin Myers (Director)	SELL	4,000	$7M	2026-08-10
Franklin Myers (Director)	SELL	3,500	$6M	2026-08-10
Franklin Myers (Director)	SELL	6,700	$13M	2026-06-24

Comfort Systems USA, Inc. (FIX) Ownership & Trading Activity

Top Institutional Holders

Recent Insider Trades