William R. Gupp

Insider

First SEC filing: Jan. 16, 2009 · Latest: Jan. 16, 2009

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

TREX selling Nov. 11, 2021

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 79 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

79 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 2, 2023	TREX	F	9,861	$54.56	$538,016	106,974 Direct	-8.44%	Disposed	-13.9% (price as of 2026-08-20)
March 1, 2023	TREX	J	1,279	$50.40	$64,462	116,835 Direct	-1.08%	Disposed	-6.8% (price as of 2026-08-20)
March 1, 2023	TREX	F	405	$50.40	$20,412	118,114 Direct	-0.34%	Disposed	-6.8% (price as of 2026-08-20)
March 1, 2023	TREX	J	1,279	$40.50	$51,800	116,835 Direct	-1.08%	Disposed	16.0% (price as of 2026-08-20)
March 1, 2023	TREX	F	405	$40.50	$16,402	118,114 Direct	-0.34%	Disposed	16.0% (price as of 2026-08-20)
Feb. 19, 2023	TREX	F	560	$53.79	$30,122	118,519 Direct	-0.47%	Disposed	-12.7% (price as of 2026-08-20)
Feb. 17, 2023	TREX	F	285	$53.79	$15,330	119,079 Direct	-0.24%	Disposed	-12.7% (price as of 2026-08-20)
Feb. 14, 2023	TREX	A	3,840	$56.80	$218,112	3,840 Direct	—	Acquired	-17.3% (price as of 2026-08-20)
Feb. 14, 2023	TREX	F	1,960	$56.80	$111,328	119,364 Direct	-1.62%	Disposed	-17.3% (price as of 2026-08-20)
Feb. 14, 2023	TREX	A	1,673	$56.80	$95,026	121,324 Direct	+1.40%	Acquired	-17.3% (price as of 2026-08-20)
Feb. 14, 2023	TREX	A	6,127	$56.80	$348,014	119,651 Direct	+5.40%	Acquired	-17.3% (price as of 2026-08-20)
Feb. 14, 2023	TREX	A	4,289	$56.80	$243,615	113,524 Direct	+3.93%	Acquired	-17.3% (price as of 2026-08-20)
Feb. 8, 2023	TREX	M	2,213	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 8, 2023	TREX	F	899	$55.12	$49,553	109,235 Direct	-0.82%	Disposed	-14.8% (price as of 2026-08-20)
Feb. 8, 2023	TREX	D	220	$55.12	$12,126	110,134 Direct	-0.20%	Disposed	-14.8% (price as of 2026-08-20)
Feb. 8, 2023	TREX	M	2,213	$5.49	$12,149	110,354 Direct	+2.05%	Acquired	755.7% (price as of 2026-08-20)
Jan. 31, 2023	TREX	M	2,214	—	—	2,213 Direct	-50.01%	Disposed	(price as of 2026-08-20)
Jan. 31, 2023	TREX	F	934	$52.72	$49,240	108,141 Direct	-0.86%	Disposed	-10.9% (price as of 2026-08-20)
Jan. 31, 2023	TREX	D	231	$52.72	$12,178	109,075 Direct	-0.21%	Disposed	-10.9% (price as of 2026-08-20)
Jan. 31, 2023	TREX	M	2,214	$5.49	$12,155	109,306 Direct	+2.07%	Acquired	755.7% (price as of 2026-08-20)
Jan. 18, 2023	TREX	M	2,213	—	—	4,427 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Jan. 18, 2023	TREX	F	996	$50.72	$50,517	107,092 Direct	-0.92%	Disposed	-7.4% (price as of 2026-08-20)
Jan. 18, 2023	TREX	D	239	$50.72	$12,122	108,088 Direct	-0.22%	Disposed	-7.4% (price as of 2026-08-20)
Jan. 18, 2023	TREX	M	2,213	$5.49	$12,149	108,327 Direct	+2.09%	Acquired	755.7% (price as of 2026-08-20)
Feb. 23, 2022	TREX	A	2,785	$82.01	$228,398	2,785 Direct	—	Acquired	-42.7% (price as of 2026-08-20)
Feb. 23, 2022	TREX	F	3,951	$82.01	$324,022	106,114 Direct	-3.59%	Disposed	-42.7% (price as of 2026-08-20)
Feb. 23, 2022	TREX	A	3,845	$82.01	$315,328	110,065 Direct	+3.62%	Acquired	-42.7% (price as of 2026-08-20)
Feb. 23, 2022	TREX	A	3,837	$82.01	$314,672	106,220 Direct	+3.75%	Acquired	-42.7% (price as of 2026-08-20)
Feb. 23, 2022	TREX	A	2,686	$82.01	$220,279	102,383 Direct	+2.69%	Acquired	-42.7% (price as of 2026-08-20)
Feb. 19, 2022	TREX	F	560	$85.42	$47,835	99,697 Direct	-0.56%	Disposed	-45.0% (price as of 2026-08-20)
Feb. 17, 2022	TREX	F	283	$89.17	$25,235	100,257 Direct	-0.28%	Disposed	-47.3% (price as of 2026-08-20)
Feb. 13, 2022	TREX	F	765	$85.29	$65,247	100,540 Direct	-0.76%	Disposed	-44.9% (price as of 2026-08-20)
Nov. 11, 2021	TREX	S 10b5-1	3,488	$127.89	$446,080	101,305 Direct	-3.33%	Disposed	-63.3% (price as of 2026-08-20)
Nov. 10, 2021	TREX	S 10b5-1	2,150	$131.00	$281,650	101,305 Direct	-2.08%	Disposed	-64.1% (price as of 2026-08-20)
Nov. 10, 2021	TREX	M 10b5-1	6,640	$10.97	$72,841	107,945 Direct	+6.55%	Acquired	328.3% (price as of 2026-08-20)
Nov. 10, 2021	TREX	D	286	$127.26	$36,396	107,659 Direct	-0.26%	Disposed	-63.1% (price as of 2026-08-20)
Nov. 10, 2021	TREX	F	2,866	$127.26	$364,727	104,793 Direct	-2.66%	Disposed	-63.1% (price as of 2026-08-20)
Nov. 10, 2021	TREX	M	6,640	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 12, 2021	TREX	S 10b5-1	7,288	$102.85	$749,571	103,455 Direct	-6.58%	Disposed	-54.3% (price as of 2026-08-20)
May 12, 2021	TREX	S 10b5-1	7,288	$102.85	$749,571	103,455 Direct	-6.58%	Disposed	-54.3% (price as of 2026-08-20)
May 11, 2021	TREX	M	14,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 11, 2021	TREX	F	5,988	$106.10	$635,327	110,743 Direct	-5.13%	Disposed	-55.7% (price as of 2026-08-20)
May 11, 2021	TREX	D	724	$106.10	$76,816	116,731 Direct	-0.62%	Disposed	-55.7% (price as of 2026-08-20)
May 11, 2021	TREX	M 10b5-1	14,000	$5.48	$76,720	117,455 Direct	+13.53%	Acquired	757.3% (price as of 2026-08-20)
May 11, 2021	TREX	M	14,000	—	—	14,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
May 11, 2021	TREX	F	5,988	$106.10	$635,327	110,743 Direct	-5.13%	Disposed	-55.7% (price as of 2026-08-20)
May 11, 2021	TREX	D	724	$106.10	$76,816	116,731 Direct	-0.62%	Disposed	-55.7% (price as of 2026-08-20)
May 11, 2021	TREX	M 10b5-1	14,000	$5.48	$76,720	117,455 Direct	+13.53%	Acquired	757.3% (price as of 2026-08-20)
Feb. 24, 2021	TREX	S 10b5-1	7,223	$92.85	$670,656	103,455 Direct	-6.53%	Disposed	-49.4% (price as of 2026-08-20)
Feb. 23, 2021	TREX	M	14,000	—	—	14,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 23, 2021	TREX	F	5,935	$91.16	$541,035	110,678 Direct	-5.09%	Disposed	-48.5% (price as of 2026-08-20)
Feb. 23, 2021	TREX	D	842	$91.16	$76,757	116,613 Direct	-0.72%	Disposed	-48.5% (price as of 2026-08-20)
Feb. 23, 2021	TREX	M 10b5-1	14,000	$91.16	$1,276,240	14,000 Direct	—	Acquired	-48.5% (price as of 2026-08-20)
Feb. 19, 2021	TREX	F	560	$102.61	$57,462	103,455 Direct	-0.54%	Disposed	-54.2% (price as of 2026-08-20)
Feb. 17, 2021	TREX	A	1,636	$104.56	$171,060	1,636 Direct	—	Acquired	-55.1% (price as of 2026-08-20)
Feb. 17, 2021	TREX	F	3,931	$104.56	$411,025	104,015 Direct	-3.64%	Disposed	-55.1% (price as of 2026-08-20)
Feb. 17, 2021	TREX	A	1,998	$104.56	$208,911	107,946 Direct	+1.89%	Acquired	-55.1% (price as of 2026-08-20)
Feb. 17, 2021	TREX	A	2,704	$104.56	$282,730	105,948 Direct	+2.62%	Acquired	-55.1% (price as of 2026-08-20)
Feb. 17, 2021	TREX	A	1,893	$104.56	$197,932	103,244 Direct	+1.87%	Acquired	-55.1% (price as of 2026-08-20)
Feb. 14, 2021	TREX	F	854	$106.28	$90,763	101,351 Direct	-0.84%	Disposed	-55.8% (price as of 2026-08-20)
Feb. 13, 2021	TREX	F	755	$106.28	$80,241	102,205 Direct	-0.73%	Disposed	-55.8% (price as of 2026-08-20)
Nov. 4, 2020	TREX	S 10b5-1	100	$73.24	$7,324	102,960 Direct	-0.10%	Disposed	-35.9% (price as of 2026-08-20)
Nov. 4, 2020	TREX	S 10b5-1	4,699	$72.34	$339,926	103,060 Direct	-4.36%	Disposed	-35.1% (price as of 2026-08-20)
Nov. 4, 2020	TREX	S 10b5-1	2,241	$71.73	$160,747	107,759 Direct	-2.04%	Disposed	-34.5% (price as of 2026-08-20)
Nov. 3, 2020	TREX	M	14,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 3, 2020	TREX	F	5,877	$70.90	$416,679	110,000 Direct	-5.07%	Disposed	-33.7% (price as of 2026-08-20)
Nov. 3, 2020	TREX	D	1,083	$70.90	$76,785	115,877 Direct	-0.93%	Disposed	-33.7% (price as of 2026-08-20)
Nov. 3, 2020	TREX	M 10b5-1	14,000	$5.48	$76,720	116,960 Direct	+13.60%	Acquired	757.3% (price as of 2026-08-20)
Aug. 5, 2020	TREX	S 10b5-1	3,334	$137.39	$458,058	51,480 Direct	-6.08%	Disposed	-31.6% (price as of 2026-08-20)
May 6, 2020	TREX	S 10b5-1	433	$109.43	$47,383	54,814 Direct	-0.78%	Disposed	-14.1% (price as of 2026-08-20)
May 6, 2020	TREX	S 10b5-1	200	$108.62	$21,724	55,247 Direct	-0.36%	Disposed	-13.5% (price as of 2026-08-20)
May 6, 2020	TREX	S 10b5-1	1,900	$107.93	$205,067	55,447 Direct	-3.31%	Disposed	-12.9% (price as of 2026-08-20)
May 6, 2020	TREX	S 10b5-1	800	$106.63	$85,304	57,347 Direct	-1.38%	Disposed	-11.9% (price as of 2026-08-20)
Feb. 26, 2020	TREX	S 10b5-1	433	$104.27	$45,149	58,147 Direct	-0.74%	Disposed	-9.9% (price as of 2026-08-20)
Feb. 26, 2020	TREX	S 10b5-1	700	$102.86	$72,002	58,580 Direct	-1.18%	Disposed	-8.7% (price as of 2026-08-20)
Feb. 26, 2020	TREX	S 10b5-1	500	$101.58	$50,790	59,280 Direct	-0.84%	Disposed	-7.5% (price as of 2026-08-20)
Feb. 26, 2020	TREX	S 10b5-1	1,300	$100.52	$130,676	59,780 Direct	-2.13%	Disposed	-6.5% (price as of 2026-08-20)
Feb. 26, 2020	TREX	S 10b5-1	400	$98.92	$39,568	61,080 Direct	-0.65%	Disposed	-5.0% (price as of 2026-08-20)
Feb. 19, 2020	TREX	A	2,273	$101.66	$231,073	2,273 Direct	—	Acquired	-7.6% (price as of 2026-08-20)
Feb. 19, 2020	TREX	A	2,657	$101.66	$270,111	61,480 Direct	+4.52%	Acquired	-7.6% (price as of 2026-08-20)
Feb. 19, 2020	TREX	A	1,860	$101.66	$189,088	58,823 Direct	+3.27%	Acquired	-7.6% (price as of 2026-08-20)
Feb. 19, 2020	TREX	F	2,993	$101.66	$304,268	56,963 Direct	-4.99%	Disposed	-7.6% (price as of 2026-08-20)
Feb. 19, 2020	TREX	A	2,057	$101.66	$209,115	59,956 Direct	+3.55%	Acquired	-7.6% (price as of 2026-08-20)
Feb. 15, 2020	TREX	F	664	$101.88	$67,648	57,899 Direct	-1.13%	Disposed	-7.8% (price as of 2026-08-20)
Feb. 14, 2020	TREX	F	423	$101.88	$43,095	58,563 Direct	-0.72%	Disposed	-7.8% (price as of 2026-08-20)
Feb. 13, 2020	TREX	F	396	$101.39	$40,150	58,986 Direct	-0.67%	Disposed	-7.3% (price as of 2026-08-20)
July 30, 2019	TREX	S 10b5-1	4,563	$82.04	$374,349	59,382 Direct	-7.14%	Disposed	14.5% (price as of 2026-08-20)
May 1, 2019	TREX	S 10b5-1	4,563	$68.69	$313,432	63,945 Direct	-6.66%	Disposed	36.8% (price as of 2026-08-20)
Feb. 19, 2019	TREX	S 10b5-1	4,306	$76.74	$330,442	68,486 Direct	-5.92%	Disposed	22.4% (price as of 2026-08-20)
Feb. 17, 2019	TREX	F	1,841	$76.76	$141,315	72,792 Direct	-2.47%	Disposed	22.4% (price as of 2026-08-20)
Feb. 15, 2019	TREX	F	665	$76.76	$51,045	74,633 Direct	-0.88%	Disposed	22.4% (price as of 2026-08-20)
Feb. 14, 2019	TREX	F	427	$78.34	$33,451	75,320 Direct	-0.56%	Disposed	19.9% (price as of 2026-08-20)
Feb. 14, 2019	TREX	F	427	$78.34	$33,451	75,298 Direct	-0.56%	Disposed	19.9% (price as of 2026-08-20)
Feb. 13, 2019	TREX	A	2,649	$77.70	$205,827	2,649 Direct	—	Acquired	20.9% (price as of 2026-08-20)
Feb. 13, 2019	TREX	A	3,359	$77.70	$260,994	75,747 Direct	+4.64%	Acquired	20.9% (price as of 2026-08-20)
Feb. 13, 2019	TREX	A	2,351	$77.70	$182,673	72,388 Direct	+3.36%	Acquired	20.9% (price as of 2026-08-20)
Feb. 13, 2019	TREX	F	6,531	$77.70	$507,459	70,037 Direct	-8.53%	Disposed	20.9% (price as of 2026-08-20)
Feb. 13, 2019	TREX	A	6,916	$77.70	$537,373	76,568 Direct	+9.93%	Acquired	20.9% (price as of 2026-08-20)
Feb. 13, 2019	TREX	A	2,649	$77.70	$205,827	2,649 Direct	—	Acquired	20.9% (price as of 2026-08-20)
Feb. 13, 2019	TREX	A	3,359	$77.70	$260,994	75,725 Direct	+4.64%	Acquired	20.9% (price as of 2026-08-20)

Showing latest 100 of 594 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Feb. 14, 2023	TREX	Stock Appreciation Right	Common Stock (3,840)	$56.80	Feb. 14, 2033	3,840	Acquired
Feb. 8, 2023	TREX	Stock Appreciation Right	Common Stock (2,213)	$5.49	Feb. 12, 2023	2,213	Disposed
Jan. 31, 2023	TREX	Stock Appreciation Right	Common Stock (2,214)	$5.49	Feb. 12, 2023	2,214	Disposed
Jan. 18, 2023	TREX	Stock Appreciation Right	Common Stock (2,213)	$5.49	Feb. 12, 2023	2,213	Disposed
Feb. 23, 2022	TREX	Stock Appreciation Right	Common Stock (2,785)	$82.01	Feb. 23, 2032	2,785	Acquired
Nov. 10, 2021	TREX	Stock Appreciation Right	Common Stock (6,640)	$10.97	Feb. 12, 2023	6,640	Disposed
May 11, 2021	TREX	Stock Appreciation Right	Common Stock (14,000)	$5.48	Feb. 12, 2023	14,000	Disposed
May 11, 2021	TREX	Stock Appreciation Right	Common Stock (14,000)	$5.48	Feb. 12, 2023	14,000	Disposed
Feb. 23, 2021	TREX	Stock Appreciation Right	Common Stock (14,000)	$5.48	Feb. 12, 2023	14,000	Disposed
Feb. 17, 2021	TREX	Stock Appreciation Right	Common Stock (1,636)	$104.56	Feb. 17, 2031	1,636	Acquired
Nov. 3, 2020	TREX	Stock Appreciation Right	Common Stock (14,000)	$5.48	Feb. 12, 2023	14,000	Disposed
Feb. 19, 2020	TREX	Stock Appreciation Right	Common Stock (2,273)	$101.66	Feb. 19, 2030	2,273	Acquired
Feb. 13, 2019	TREX	Stock Appreciation Right	Common Stock (2,649)	$77.70	Feb. 13, 2029	2,649	Acquired
Feb. 13, 2019	TREX	Stock Appreciation Right	Common Stock (2,649)	$77.70	Feb. 13, 2029	2,649	Acquired
Feb. 14, 2018	TREX	Stock Appreciation Right	Common Stock (1,548)	$112.42	Feb. 14, 2028	1,548	Acquired
Feb. 15, 2017	TREX	Stock Appreciation Right	Common Stock (2,387)	$70.09	Feb. 15, 2027	2,387	Acquired
April 14, 2016	TREX	Stock Appreciation Right	Common Stock (14,976)	$12.78	Feb. 15, 2022	14,976	Disposed
March 17, 2016	TREX	Stock Appreciation Right	Common Stock (7,490)	$12.78	Feb. 15, 2022	7,490	Disposed
June 15, 2015	TREX	Stock Appreciation Right	Common Stock (21,088)	$13.10	Feb. 16, 2022	21,088	Disposed
Feb. 27, 2015	TREX	Stock Options (Right to Buy)	Common Stock (2,932)	$23.36	March 9, 2015	2,932	Disposed
Feb. 27, 2015	TREX	Stock Options (Right to Buy)	Common Stock (4,000)	$23.36	March 9, 2015	4,000	Disposed
June 6, 2014	TREX	Stock Appreciation Right	Common Stock (9,220)	$12.68	Feb. 21, 2017	9,220	Disposed
May 7, 2014	TREX	Stock Appreciation Right	Common Stock (2,306)	$25.37	Feb. 21, 2017	2,306	Disposed
May 7, 2014	TREX	Stock Appreciation Right	Common Stock (3,000)	$24.17	Feb. 8, 2016	3,000	Disposed
April 7, 2014	TREX	Stock Appreciation Right	Common Stock (1,500)	$24.17	Feb. 8, 2016	1,500	Disposed
April 7, 2014	TREX	Stock Appreciation Right	Common Stock (3,000)	$24.17	Feb. 8, 2016	3,000	Disposed
Oct. 28, 2013	TREX	Stock Options (Right to Buy)	Common Stock (4,475)	$38.51	Feb. 19, 2014	4,475	Disposed
Oct. 25, 2013	TREX	Stock Appreciation Right	Common Stock (11,920)	$17.41	Feb. 17, 2020	11,920	Disposed
Oct. 25, 2013	TREX	Stock Appreciation Right	Common Stock (1,500)	$24.17	Feb. 8, 2016	1,500	Disposed
July 1, 2013	TREX	Stock Appreciation Right	Common Stock (1,614)	$13.44	Feb. 18, 2019	1,614	Disposed
June 3, 2013	TREX	Stock Appreciation Right	Common Stock (1,614)	$13.44	Feb. 18, 2019	1,614	Disposed
May 1, 2013	TREX	Stock Appreciation Right	Common Stock (1,614)	$13.44	Feb. 18, 2019	1,614	Disposed
April 1, 2013	TREX	Stock Appreciation Right	Common Stock (3,000)	$17.41	Feb. 17, 2020	3,000	Disposed
April 1, 2013	TREX	Stock Appreciation Right	Common Stock (1,614)	$13.44	Feb. 18, 2019	1,614	Disposed
Feb. 12, 2013	TREX	Stock Appreciation Right	Common Stock (6,910)	$43.88	Feb. 12, 2023	6,910	Acquired
Nov. 13, 2012	TREX	Stock Appreciation Right	Common Stock (6,456)	$13.44	Feb. 18, 2019	6,456	Disposed
Nov. 5, 2012	TREX	Stock Options (Right to Buy)	Common Stock (2,896)	$35.95	Feb. 25, 2013	2,896	Disposed
Nov. 1, 2012	TREX	Stock Appreciation Right	Common Stock (1,418)	$9.14	May 7, 2018	1,418	Disposed
Oct. 1, 2012	TREX	Stock Appreciation Right	Common Stock (1,418)	$9.14	May 7, 2018	1,418	Disposed
Sept. 4, 2012	TREX	Stock Appreciation Right	Common Stock (1,418)	$9.14	May 7, 2018	1,418	Disposed
Aug. 1, 2012	TREX	Stock Appreciation Right	Common Stock (1,418)	$9.14	May 7, 2018	1,418	Disposed
July 2, 2012	TREX	Stock Appreciation Right	Common Stock (1,418)	$9.14	May 7, 2018	1,418	Disposed
June 1, 2012	TREX	Stock Appreciation Right	Common Stock (1,418)	$9.14	May 7, 2018	1,418	Disposed
May 11, 2012	TREX	Stock Appreciation Right	Common Stock (6,456)	$13.44	Feb. 18, 2019	6,456	Disposed
May 1, 2012	TREX	Stock Appreciation Right	Common Stock (1,418)	$9.14	May 7, 2018	1,418	Disposed
April 2, 2012	TREX	Stock Appreciation Right	Common Stock (1,418)	$9.14	May 7, 2018	1,418	Disposed
Feb. 17, 2012	TREX	Stock Options (Right to Buy)	Common Stock (2,009)	$20.00	Feb. 21, 2012	2,009	Disposed
Feb. 15, 2012	TREX	Stock Appreciation Right	Common Stock (11,233)	$25.56	Feb. 15, 2022	11,233	Acquired
Nov. 1, 2011	TREX	Stock Appreciation Right	Common Stock (1,875)	$9.14	May 7, 2018	1,875	Disposed
Oct. 31, 2011	TREX	Stock Appreciation Right	Common Stock (1,875)	$9.14	May 7, 2018	1,875	Disposed
Sept. 1, 2011	TREX	Stock Appreciation Right	Common Stock (1,875)	$9.14	May 7, 2018	1,875	Disposed
Aug. 1, 2011	TREX	Stock Appreciation Right	Common Stock (1,875)	$9.14	May 7, 2018	1,875	Disposed
July 1, 2011	TREX	Stock Appreciation Right	Common Stock (1,875)	$9.14	May 7, 2018	1,875	Disposed
June 1, 2011	TREX	Stock Appreciation Right	Common Stock (1,875)	$9.14	May 7, 2018	1,875	Disposed
May 5, 2011	TREX	Stock Options (Right to Buy)	Common Stock (4,000)	$28.90	May 21, 2011	4,000	Disposed
May 3, 2011	TREX	Stock Options (Right to Buy)	Common Stock (6,000)	$20.00	Feb. 21, 2012	6,000	Disposed
May 2, 2011	TREX	Stock Appreciation Right	Common Stock (1,875)	$9.14	May 7, 2018	1,875	Disposed
May 2, 2011	TREX	Stock Appreciation Right	Common Stock (1,875)	$9.14	May 7, 2018	1,875	Disposed
April 1, 2011	TREX	Stock Appreciation Right	Common Stock (1,875)	$9.14	May 7, 2018	1,875	Disposed
March 2, 2011	TREX	Stock Options (Right to Buy)	Common Stock (3,953)	$20.00	Feb. 21, 2012	3,953	Disposed
March 1, 2011	TREX	Stock Options (Right to Buy)	Common Stock (550)	$20.00	Feb. 21, 2012	550	Disposed
March 1, 2011	TREX	Stock Appreciation Right	Common Stock (2,000)	$9.14	May 7, 2018	2,000	Disposed
Feb. 16, 2011	TREX	Stock Appreciation Right	Common Stock (10,544)	$26.20	Feb. 16, 2022	10,544	Acquired
May 10, 2010	TREX	Stock Appreciation Right	Common Stock (5,000)	$9.14	May 7, 2018	5,000	Disposed
Feb. 17, 2010	TREX	Stock Appreciation Right	Common Stock (14,920)	$17.41	Feb. 17, 2020	14,920	Acquired
Feb. 18, 2009	TREX	Stock Appreciation Right	Common Stock (19,368)	$13.44	Feb. 18, 2019	19,368	Acquired
May 7, 2008	TREX	Stock Appreciation Right	Common Stock (33,344)	$9.14	May 7, 2018	33,344	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 16 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Jan. 16, 2009	TREX	Common Stock	29,188	Direct
May 2, 2008	TREX	Common Stock	34,903	Direct
Feb. 28, 2008	TREX	Common Stock	6,718	Direct
Feb. 28, 2008	TREX	Common Stock	16,917	Direct
Feb. 28, 2008	TREX	Common Stock	26,917	Direct
Feb. 28, 2008	TREX	Common Stock	28,912	Direct
Feb. 28, 2008	TREX	Common Stock	29,188	Direct
Feb. 28, 2008	TREX	Stock Appreciation Right→ Common Stock (9,000)	9,000	Direct
Feb. 28, 2008	TREX	Stock Appreciation Right→ Common Stock (6,916)	6,916	Direct
Feb. 28, 2008	TREX	Stock Options (Right to buy)→ Common Stock (8,559)	8,559	Direct
Feb. 28, 2008	TREX	Stock Options (Right to buy)→ Common Stock (3,953)	3,953	Direct
Feb. 28, 2008	TREX	Stock Options (Right to buy)→ Common Stock (16,000)	16,000	Direct
Feb. 28, 2008	TREX	Stock Options (Right to buy)→ Common Stock (2,896)	2,896	Direct
Feb. 28, 2008	TREX	Stock Options (Right to buy)→ Common Stock (4,475)	4,475	Direct
Feb. 28, 2008	TREX	Stock Options (Right to buy)→ Common Stock (2,000)	2,000	Direct
Feb. 28, 2008	TREX	Stock Options (Right to buy)→ Common Stock (1,466)	1,466	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

TREX

Chief Legal Officer and Secretary

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2023	$253,500	—	—	—	$286,246	—	$597,810	$1,833,556
2022	$434,000	—	—	—	$0	—	$30,041	$1,093,341
2021	$390,000	—	—	—	$546,000	—	$31,447	$1,532,947

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.