William R. Gupp - 08 Feb 2023 Form 4 Insider Report for TREX CO INC (TREX)

Role: Sr VP, CLO & Secretary
Signature: /s/ William R. Gupp by power of attorney
Issuer symbol: TREX
Transactions as of: 08 Feb 2023
Net transactions value: -$49,530
Form type: 4
Filing time: 10 Feb 2023, 12:27:34 UTC
Previous filing: 02 Feb 2023
Next filing: 16 Feb 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TREX	Common Stock	Options Exercise	$12,149	+2,213	+2%	$5.49^*	110,354	08 Feb 2023	Direct
transaction	TREX	Common Stock	Disposed to Issuer	$12,126	-220	-0.2%	$55.12	110,134	08 Feb 2023	Direct
transaction	TREX	Common Stock	Tax liability	$49,553	-899	-0.82%	$55.12	109,235	08 Feb 2023	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	TREX	Stock Appreciation Right	Options Exercise	$0	-2,213	-100%	$0.000000^*	0	08 Feb 2023	Common Stock	2,213	$5.49	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	899 shares are being surrendered as allowed by the Company's 2005 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted shares.