William George III - 01 Dec 2025 Form 4 Insider Report for COMFORT SYSTEMS USA INC (FIX)

Signature
/s/ Rachel R. Eslicker, Attorney-in-Fact
Issuer symbol
FIX
Transactions as of
01 Dec 2025
Transactions value $
-$7,324,121
Form type
4
Filing time
03 Dec 2025, 10:10:10 UTC
Previous filing
12 Aug 2025

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 03 Dec 2025 0001205073

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction FIX Common Stock Tax liability -$3.13M -3.28K -6.91% $955.73 44.2K 01 Dec 2025 Direct F1, F2
transaction FIX Common Stock Sale -$4.19M -4.37K -9.89% $958.88 39.8K 01 Dec 2025 Direct F3
transaction FIX Common Stock Gift $0 -2K -5.02% $0.00 37.8K 01 Dec 2025 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Reflects forfeited shares related to the second vesting of restricted stock units granted on November 14, 2023.
F2 Price is based on the average of the high and low stock price on December 1, 2025.
F3 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.
F4 This transaction represents a charitable donation.