0001127602-11-012333.txt : 20110405 0001127602-11-012333.hdr.sgml : 20110405 20110405143238 ACCESSION NUMBER: 0001127602-11-012333 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110401 FILED AS OF DATE: 20110405 DATE AS OF CHANGE: 20110405 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: 11739555 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 X0303 4 2011-04-01 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 2011-04-01 4 M 0 1875 9.14 A 40850 D Common Stock 2011-04-01 4 F 0 576 33.33 D 40274 D Common Stock 2011-04-01 4 D 0 514 33.33 D 39760 D Common Stock 2011-04-01 4 S 0 300 32.80 D 39460 D Common Stock 2011-04-01 4 S 0 100 32.81 D 39360 D Common Stock 2011-04-01 4 S 0 100 32.84 D 39260 D Common Stock 2011-04-01 4 S 0 187 32.86 D 39073 D Stock Appreciation Right 9.14 2011-04-01 4 M 0 1875 0 D 2009-05-07 2018-05-07 Common Stock 1875 24469 D The stock appreciation right becomes exerciseable in three equal installments beginning on the first anniversary date of the transaction date. 1,875 Stock Appreciation Rights (SARs) are being exercised pursuant to Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2010. 576 shares are being surrendered as allowed by the Company's 2005 Stock Incentive Plan to cover payment of taxes currently due on the exercise of SARs. The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2010. /s/ Willaim R. Gupp 2011-04-05