0000814133-25-000043.txt : 20250512 0000814133-25-000043.hdr.sgml : 20250512 20250512171410 ACCESSION NUMBER: 0000814133-25-000043 CONFORMED SUBMISSION TYPE: SCHEDULE 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20250512 DATE AS OF CHANGE: 20250512 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: TREX CO INC CENTRAL INDEX KEY: 0001069878 STANDARD INDUSTRIAL CLASSIFICATION: LUMBER & WOOD PRODUCTS (NO FURNITURE) [2400] ORGANIZATION NAME: 04 Manufacturing EIN: 541910453 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SCHEDULE 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-56187 FILM NUMBER: 25935997 BUSINESS ADDRESS: STREET 1: 2500 TREX WAY CITY: WINCHESTER STATE: VA ZIP: 22601 BUSINESS PHONE: 5405426300 MAIL ADDRESS: STREET 1: 2500 TREX WAY CITY: WINCHESTER STATE: VA ZIP: 22601 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: WASATCH ADVISORS LP CENTRAL INDEX KEY: 0000814133 ORGANIZATION NAME: EIN: 870319391 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SCHEDULE 13G BUSINESS ADDRESS: STREET 1: 505 WAKARA WAY STREET 2: 3RD FLOOR CITY: SALT LAKE CITY STATE: UT ZIP: 84108 BUSINESS PHONE: 8015330777 MAIL ADDRESS: STREET 1: 505 WAKARA WAY STREET 2: 3RD FLOOR CITY: SALT LAKE CITY STATE: UT ZIP: 84108 FORMER COMPANY: FORMER CONFORMED NAME: WASATCH ADVISORS INC DATE OF NAME CHANGE: 19990611 SCHEDULE 13G 1 primary_doc.xml SCHEDULE 13G 0000814133 XXXXXXXX LIVE Common Stock 03/31/2025 0001069878 TREX CO INC 89531P105 2500 TREX WAY WINCHESTER VA 22601 Rule 13d-1(b) WASATCH ADVISORS LP a DE 3907628.00 0.00 5589376.00 0.00 5589376.00 5.2 IA TREX CO INC 2500 TREX WAY, WINCHESTER, VIRGINIA, 22601 Wasatch Advisors LP 505 Wakara Way, 3rd Floor, Salt Lake City, 84108, United States DELAWARE N IA 5,589,376 5.2 3,907,628 0 5,589,376 0 Y N Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. WASATCH ADVISORS LP Mikes Yeates CEO 05/12/2025