TREX CO INC — Director's Dealing 2014

Aug 12, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TREX CO INC (TREX)
CIK: 0001069878
Period of Report: 2014-08-11

Reporting Person: GRATZ JAY M (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-08-11	Common Stock	M	1860	$12.645	Acquired	8616	Direct
2014-08-11	Common Stock	M	432	$10.815	Acquired	9048	Direct
2014-08-11	Common Stock	M	1044	$10.01	Acquired	10092	Direct
2014-08-11	Common Stock	M	2568	$9.025	Acquired	12660	Direct
2014-08-11	Common Stock	M	1246	$8.47	Acquired	13906	Direct
2014-08-11	Common Stock	D	1995	$36.31	Disposed	11911	Direct
2014-08-12	Common Stock	S	5155	$36.00	Disposed	6756	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-08-11	Stock Appreciation Right	$12.645	M	1860	Disposed	2017-02-22	Common Stock (1860)	Direct
2014-08-11	Stock Appreciation Right	$10.815	M	432	Disposed	2017-04-02	Common Stock (432)	Direct
2014-08-11	Stock Appreciation Right	$10.01	M	1044	Disposed	2017-07-02	Common Stock (1044)	Direct
2014-08-11	Stock Appreciation Right	$9.025	M	2568	Disposed	2017-07-18	Common Stock (2568)	Direct
2014-08-11	Stock Appreciation Right	$8.47	M	1246	Disposed	2018-10-01	Common Stock (1246)	Direct

Footnotes

F1: Stock Appreciation Rights (SARs) are being exercised pursuant to a Rule 10b5-1 Exercise plan adopted by the reporting person on February 25, 2014.

F2: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Sales plan adopted by the reporting person on February 25, 2014.