Dennis Charles Schemm

Insider

First SEC filing: April 22, 2020 · Latest: April 22, 2020

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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

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 25 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

25 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 29, 2026	BLNK	A	260,558	—	—	260,558 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2023	TREX	J	1,453	$50.40	$73,231	29,015 Direct	-4.77%	Disposed	-6.8% (price as of 2026-08-20)
March 1, 2023	TREX	F	459	$50.40	$23,134	30,468 Direct	-1.48%	Disposed	-6.8% (price as of 2026-08-20)
March 1, 2023	TREX	J	1,453	$40.50	$58,846	29,015 Direct	-4.77%	Disposed	16.0% (price as of 2026-08-20)
March 1, 2023	TREX	F	459	$40.50	$18,590	30,468 Direct	-1.48%	Disposed	16.0% (price as of 2026-08-20)
Feb. 19, 2023	TREX	F	492	$53.79	$26,465	30,927 Direct	-1.57%	Disposed	-12.7% (price as of 2026-08-20)
Feb. 17, 2023	TREX	F	296	$53.79	$15,922	31,419 Direct	-0.93%	Disposed	-12.7% (price as of 2026-08-20)
Feb. 14, 2023	TREX	A	5,439	$56.80	$308,935	5,439 Direct	—	Acquired	-17.3% (price as of 2026-08-20)
Feb. 14, 2023	TREX	F	1,890	$56.80	$107,352	31,715 Direct	-5.62%	Disposed	-17.3% (price as of 2026-08-20)
Feb. 14, 2023	TREX	A	1,494	$56.80	$84,859	33,605 Direct	+4.65%	Acquired	-17.3% (price as of 2026-08-20)
Feb. 14, 2023	TREX	A	8,680	$56.80	$493,024	32,111 Direct	+37.04%	Acquired	-17.3% (price as of 2026-08-20)
Feb. 14, 2023	TREX	A	6,076	$56.80	$345,117	23,431 Direct	+35.01%	Acquired	-17.3% (price as of 2026-08-20)
Feb. 23, 2022	TREX	A	3,164	$82.01	$259,480	3,164 Direct	—	Acquired	-42.7% (price as of 2026-08-20)
Feb. 23, 2022	TREX	F	2,247	$82.01	$184,276	17,166 Direct	-11.57%	Disposed	-42.7% (price as of 2026-08-20)
Feb. 23, 2022	TREX	A	2,490	$82.01	$204,205	19,413 Direct	+14.71%	Acquired	-42.7% (price as of 2026-08-20)
Feb. 23, 2022	TREX	A	4,359	$82.01	$357,482	16,923 Direct	+34.69%	Acquired	-42.7% (price as of 2026-08-20)
Feb. 23, 2022	TREX	A	3,051	$82.01	$250,213	12,564 Direct	+32.07%	Acquired	-42.7% (price as of 2026-08-20)
Feb. 19, 2022	TREX	F	508	$85.42	$43,393	9,513 Direct	-5.07%	Disposed	-45.0% (price as of 2026-08-20)
Feb. 17, 2022	TREX	F	331	$89.17	$29,515	10,021 Direct	-3.20%	Disposed	-47.3% (price as of 2026-08-20)
Nov. 10, 2021	TREX	S	1,719	$129.24	$222,164	10,352 Direct	-14.24%	Disposed	-63.6% (price as of 2026-08-20)
Feb. 19, 2021	TREX	F	492	$102.61	$50,484	11,778 Direct	-4.01%	Disposed	-54.2% (price as of 2026-08-20)
Feb. 17, 2021	TREX	A	1,699	—	—	1,699 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 17, 2021	TREX	F	1,007	$104.56	$105,292	12,270 Direct	-7.58%	Disposed	-55.1% (price as of 2026-08-20)
Feb. 17, 2021	TREX	A	573	$104.56	$59,913	13,277 Direct	+4.51%	Acquired	-55.1% (price as of 2026-08-20)
Feb. 17, 2021	TREX	A	2,808	$104.56	$293,604	12,704 Direct	+28.38%	Acquired	-55.1% (price as of 2026-08-20)
Feb. 17, 2021	TREX	A	1,966	$104.56	$205,565	9,896 Direct	+24.79%	Acquired	-55.1% (price as of 2026-08-20)

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 (5,439)	$56.80	Feb. 14, 2033	5,439	Acquired
Feb. 23, 2022	TREX	Stock Appreciation Right	Common Stock (3,164)	$82.01	Feb. 23, 2032	3,164	Acquired
Feb. 17, 2021	TREX	Stock Appreciation Right	Common Stock (1,699)	$104.56	Feb. 17, 2031	1,699	Acquired

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

Initial ownership (Form 3) 3 holdings

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

Date	Ticker	Security	Shares	Ownership
April 22, 2020	TREX	Common Stock	2,332	Direct
April 22, 2020	TREX	Common Stock	1,633	Direct
April 22, 2020	TREX	Stock Appreciation Right→ Common Stock	—	Direct

Compensation (DEF 14A)

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

TREX

CFO

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2023	$198,838	—	—	—	$0	—	$23,279	$1,208,117
2022	$453,600	—	—	—	$0	—	$30,032	$1,198,632
2021	$405,000	—	—	—	$567,000	—	$30,087	$1,589,338

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