0001000275-23-000054.txt : 20240517 0001000275-23-000054.hdr.sgml : 20240517 20231109154521 ACCESSION NUMBER: 0001000275-23-000054 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231109 DATE AS OF CHANGE: 20231109 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: COMFORT SYSTEMS USA INC CENTRAL INDEX KEY: 0001035983 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRICAL WORK [1731] IRS NUMBER: 760526487 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-13011 FILM NUMBER: 231392048 BUSINESS ADDRESS: STREET 1: 675 BERING DRIVE STREET 2: SUITE 400 CITY: HOUSTON STATE: TX ZIP: 77057 BUSINESS PHONE: 7138309600 MAIL ADDRESS: STREET 1: 675 BERING DRIVE STREET 2: SUITE 400 CITY: HOUSTON STATE: TX ZIP: 77057 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: SANDBROOK WILLIAM J CENTRAL INDEX KEY: 0001527678 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O U.S. CONCRETE, INC. STREET 2: 331 N. MAIN STREET CITY: EULESS STATE: TX ZIP: 76039 144 1 primary_doc.xml 144 0001527678 XXXXXXXX LIVE 0001035983 COMFORT SYSTEMS USA, INC. 001-13011 675 BERING DRIVE SUITE 400 HOUSTON TX 77057 713-830-9600 SANDBROOK WILLIAM J Director COMMON RBC CAPITAL MARKETS

250 NICOLLET MALL SUITE 1700 MINNEAPOLIS MN 55401

5000 925927.00 35714815 11/09/2023 NYSE COMMON 05/19/2023 STOCK GRANT ISSUER N 1065 05/19/2023 N/A COMMON 05/17/2022 STOCK GRANT ISSUER N 1869 05/17/2022 N/A COMMON 05/18/2021 STOCK GRANT ISSUER N 1939 05/18/2021 N/A COMMON 05/19/2020 STOCK GRANT ISSUER N 127 05/19/2020 N/A Y 11/09/2023 JEFFREY J. KAPALA