0001127602-12-029972.txt : 20121107 0001127602-12-029972.hdr.sgml : 20121107 20121107085625 ACCESSION NUMBER: 0001127602-12-029972 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20121105 FILED AS OF DATE: 20121107 DATE AS OF CHANGE: 20121107 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: 121184883 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 2012-11-05 0001069878 TREX CO INC TREX 0001183938 ANDREWS WILLIAM F C/O TREX COMPANY, INC. 160 EXETER DRIVE WINCHESTER VA 22603-8605 1 Common Stock 2012-11-05 4 M 0 231 35.30 A 13469 D Common Stock 2012-11-05 4 M 0 258 32.28 A 13727 D Common Stock 2012-11-05 4 S 0 231 38.89 D 13496 D Common Stock 2012-11-05 4 S 0 258 38.54 D 13238 D Stock Options (Right to Buy) 35.30 2012-11-05 4 M 0 231 0 D 2004-01-02 2013-01-02 Common Stock 231 0 D Stock Options (Right to Buy) 32.28 2012-11-05 4 M 0 258 0 D 2003-04-01 2013-04-01 Common Stock 258 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. /s/ William R. Gupp by power of attorney 2012-11-07