William George III - 23 Feb 2026 Form 4 Insider Report for COMFORT SYSTEMS USA INC (FIX)

Role
CHIEF FINANCIAL OFFICER
Signature
/s/ Rachel R. Eslicker, Attorney-in-Fact
Issuer symbol
FIX
Transactions as of
23 Feb 2026
Net transactions value
-$12,532,248
Form type
4
Filing time
24 Feb 2026, 10:00:05 UTC
Previous filing
03 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
GEORGE WILLIAM III CHIEF FINANCIAL OFFICER C/O COMFORT SYSTEMS USA, INC., 9753 KATY FREEWAY, SUITE 700, HOUSTON /s/ Rachel R. Eslicker, Attorney-in-Fact 23 Feb 2026 0001205073

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction FIX Common Stock Options Exercise $382,500 +9,000 +24% $42.50 46,824 23 Feb 2026 Direct
transaction FIX Common Stock Sale $12,914,748 -9,000 -19% $1434.97 37,824 23 Feb 2026 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction FIX Option to Buy Options Exercise $0 -9,000 -100% $0.000000 0 23 Feb 2026 Common Stock 9,000 $42.50 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents the average price of shares sold; full information regarding the number of shares sold and specific prices will be made available upon request to the Company's Office of the General Counsel.
F2 Stock options were granted on 03/07/2018, vested ratably over a three-year period, and were fully vested on 04/01/2021.