William George III - 13 May 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
13 May 2025
Net transactions value
-$5,423,298
Form type
4
Filing time
14 May 2025, 10:35:36 UTC
Previous filing
03 Apr 2025
Next 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., 675 BERING DRIVE, SUITE 400, HOUSTON /s/ Rachel R. Eslicker, Attorney-in-Fact 13 May 2025 0001205073

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction FIX Common Stock Options Exercise $453,125 +12,500 +26% $36.25 59,973 13 May 2025 Direct
transaction FIX Common Stock Sale $5,876,422 -12,500 -21% $470.11 47,473 13 May 2025 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 -12,500 -81% $0.000000 2,922 13 May 2025 Common Stock 12,500 $36.25 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 03/08/2017, vested ratably over a three-year period, and were fully vested on 04/01/2020.