TREX CO INC - Director's Dealing 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TREX CO INC (TREX)
CIK: 0001069878
Period of Report: 2017-08-02

Reporting Person: Gupp William R. (Sr VP,Gen. Counsel & Secretary)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-08-02	Common Stock	S	100	$76.50	Disposed	41711	Direct
2017-08-02	Common Stock	S	100	$76.68	Disposed	41611	Direct
2017-08-02	Common Stock	S	100	$76.77	Disposed	41511	Direct
2017-08-02	Common Stock	S	200	$76.87	Disposed	41311	Direct
2017-08-02	Common Stock	S	100	$76.99	Disposed	41211	Direct
2017-08-02	Common Stock	S	100	$77.01	Disposed	41111	Direct
2017-08-02	Common Stock	S	100	$77.18	Disposed	41011	Direct
2017-08-02	Common Stock	S	100	$77.1801	Disposed	40911	Direct
2017-08-02	Common Stock	S	1600	$77.22	Disposed	39311	Direct
2017-08-02	Common Stock	S	100	$77.28	Disposed	39211	Direct
2017-08-02	Common Stock	S	100	$77.30	Disposed	39111	Direct
2017-08-02	Common Stock	S	100	$77.31	Disposed	39011	Direct
2017-08-02	Common Stock	S	100	$77.33	Disposed	38911	Direct
2017-08-02	Common Stock	S	200	$77.35	Disposed	38711	Direct
2017-08-02	Common Stock	S	100	$77.37	Disposed	38611	Direct
2017-08-02	Common Stock	S	100	$77.39	Disposed	38511	Direct
2017-08-02	Common Stock	S	100	$77.52	Disposed	38411	Direct
2017-08-02	Common Stock	S	100	$77.54	Disposed	38311	Direct