TREX CO INC — Director's Dealing 2019

Nov 1, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TREX CO INC (TREX)
CIK: 0001069878
Period of Report: 2019-10-30

Reporting Person: GRATZ JAY M (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-10-30	Common Stock	M	2136	$5.2875	Acquired	15651	Direct
2019-10-30	Common Stock	M	864	$7.0875	Acquired	16515	Direct
2019-10-31	Common Stock	S	2792	$83.46	Disposed	13723	Direct
2019-10-30	Common Stock	D	208	$84.20	Disposed	13515	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-10-30	Stock Appreciation Right	$5.2875	M	2136	Disposed	2021-07-26	Common Stock (2136)	Direct
2019-10-30	Stock Appreciation Right	$7.0875	M	864	Disposed	2022-07-24	Common Stock (864)	Direct

Footnotes

F1: Stock Appreciation Rights are being exercised pursuant to a Rule 10b5-1 Plan adopted by the reporting person on July 31, 2019.

F2: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person on July 31, 2019.

F3: This transaction was executed in multiple trades at prices ranging from $83.015 to $84.000. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.