0001127602-13-002227.txt : 20130118 0001127602-13-002227.hdr.sgml : 20130118 20130118085936 ACCESSION NUMBER: 0001127602-13-002227 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20130117 FILED AS OF DATE: 20130118 DATE AS OF CHANGE: 20130118 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 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: ANDREWS WILLIAM F CENTRAL INDEX KEY: 0001183938 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-14649 FILM NUMBER: 13536237 MAIL ADDRESS: STREET 1: C/O BLACK BOX CORPORATION STREET 2: 1000 PARK DRIVE CITY: LAWRENCE STATE: PA ZIP: 15055 4 1 form4.xml PRIMARY DOCUMENT X0306 4 2013-01-17 0001069878 TREX CO INC TREX 0001183938 ANDREWS WILLIAM F C/O TREX COMPANY, INC. 160 EXETER DRIVE WINCHESTER VA 22603-8605 1 Common Stock 2013-01-17 4 M 0 1500 37.29 A 14738 D Common Stock 2013-01-17 4 S 0 1500 41.02 D 13238 D Stock Options (Right to Buy) 37.29 2013-01-17 4 M 0 1500 0 D 2004-07-24 2013-07-24 Common Stock 1500 0 D Stock Options are being exercised pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 5, 2012. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 5, 2012. The options become exercisable in four equal installments beginning on the date shown as Date Exercisable. /s/ William R. Gupp by power of attorney 2013-01-18