0001127602-13-013394.txt : 20130404 0001127602-13-013394.hdr.sgml : 20130404 20130404153042 ACCESSION NUMBER: 0001127602-13-013394 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20130404 FILED AS OF DATE: 20130404 DATE AS OF CHANGE: 20130404 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Gupp William R. CENTRAL INDEX KEY: 0001428106 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-14649 FILM NUMBER: 13742842 MAIL ADDRESS: STREET 1: C/O TREX COMPANY STREET 2: 160 EXETER DRIVE CITY: WINCHESTER STATE: VA ZIP: 22603 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: TREX CO INC CENTRAL INDEX KEY: 0001069878 STANDARD INDUSTRIAL CLASSIFICATION: LUMBER & WOOD PRODUCTS (NO FURNITURE) [2400] IRS NUMBER: 541910453 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 160 EXETER DRIVE CITY: WINCHESTER STATE: VA ZIP: 22603-8605 BUSINESS PHONE: 5405426300 MAIL ADDRESS: STREET 1: 160 EXETER DRIVE CITY: WINCHESTER STATE: VA ZIP: 22603-8605 4 1 form4.xml PRIMARY DOCUMENT X0306 4 2013-04-04 0001069878 TREX CO INC TREX 0001428106 Gupp William R. C/O TREX COMPANY, INC. 160 EXETER DRIVE WINCHESTER VA 22603-8605 1 CAO, Gen. Counsel & Secretary Common Stock 2013-04-04 4 S 0 100 46.25 D 41853 D Common Stock 2013-04-04 4 S 0 1522 46.50 D 40331 D Common Stock 2013-04-04 4 S 0 100 46.56 D 40231 D Common Stock 2013-04-04 4 S 0 100 46.58 D 40131 D Common Stock 2013-04-04 4 S 0 34 46.68 D 40097 D Common Stock 2013-04-04 4 S 0 100 46.81 D 39997 D Common Stock 2013-04-04 4 S 0 100 46.86 D 39897 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 20, 2013. /s/ Willaim R. Gupp 2013-04-04