SEC Form 4 · Updated Daily

TREX

— TREX COMPANY, INC. Ownership

Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.

Financials Ownership

Current Reporting Owners

Owner	Role	Shares Owned	As Of	Last Activity
Zambanini Adam Dante	Officer	234,514	2026-03-01	F
FAIRBANKS BRYAN HORIX	Officer	167,044	2026-03-01	F
Gandhi Prithvi	Officer	76,454	2026-02-24	A
ROBINSON PATRICIA B	Director	73,162	2026-07-29	A
Fernandez Amy M.	Officer	67,794	2026-08-07	S
Cline James E	Director	45,807	2026-07-29	A
Volas Gerald	Director	44,405	2026-07-29	A
Rudolph Jacob T.	Officer	36,631	2026-06-25	S
GRATZ JAY M	Director	33,705	2026-07-29	A
ROSE B ANDREW	Director	17,038	2026-07-29	A
JUSTER KRISTINE L	Director	15,729	2026-07-29	A
Lovett Gena C	Director	10,903	2026-07-29	A
Taylor Brian J.	Officer	9,520	2026-08-24	A
Keffer David Christian	Director	6,386	2026-07-29	A
McDuffie Melkeya	Director	3,653	2025-10-01	A
Tasi Irene	Director	2,357	2026-07-29	A

Recent Filings

Date	Owner	Activity	Shares	Price	Owned After
2026-08-24	Taylor Brian J.	Grant / award	9,520	$47.27	9,520
2026-08-07	Fernandez Amy M.	Open-market sale	1,050	$50.07	67,794
2026-07-29	Cline James E	Grant / award	2,831	$42.39	45,807
2026-07-29	GRATZ JAY M	Grant / award	2,831	$42.39	33,705
2026-07-29	JUSTER KRISTINE L	Grant / award	2,831	$42.39	15,729
2026-07-29	Keffer David Christian	Grant / award	2,831	$42.39	6,386
2026-07-29	Lovett Gena C	Grant / award	2,831	$42.39	10,903
2026-07-29	ROBINSON PATRICIA B	Grant / award	2,831	$42.39	73,162
2026-07-29	ROSE B ANDREW	Grant / award	1,629	$42.39	17,038
2026-07-29	Tasi Irene	Grant / award	1,101	$42.39	2,357
2026-07-29	Volas Gerald	Grant / award	2,831	$42.39	44,405
2026-07-01	Keffer David Christian	Grant / award	131	$48.69	3,555
2026-07-01	ROSE B ANDREW	Grant / award	526	$48.69	15,409
2026-06-25	Rudolph Jacob T.	Open-market sale	1,400	$50.00	36,631
2026-04-01	ROSE B ANDREW	Grant / award	700	$36.57	14,883
2026-04-01	Keffer David Christian	Grant / award	175	$36.57	3,424
2026-03-03	ROSE B ANDREW	Open-market buy	11,022	$40.74	14,183
2026-03-03	ROSE B ANDREW	Open-market buy	986	$40.14	3,161
2026-03-02	ROSE B ANDREW	Open-market buy	372	$40.26	2,175
2026-03-01	Zambanini Adam Dante	Tax withholding	8,271	$41.42	234,514
2026-03-01	Zambanini Adam Dante	J	1,928	$41.42	242,785
2026-03-01	Zambanini Adam Dante	Grant / award	3,623	$41.42	244,713
2026-03-01	FAIRBANKS BRYAN HORIX	Tax withholding	23,127	$41.42	167,044
2026-03-01	FAIRBANKS BRYAN HORIX	J	5,678	$41.42	190,171
2026-03-01	FAIRBANKS BRYAN HORIX	Grant / award	9,609	$41.42	195,849
2026-03-01	Rudolph Jacob T.	Tax withholding	2,850	$41.42	38,031
2026-03-01	Rudolph Jacob T.	J	663	$41.42	40,881
2026-03-01	Rudolph Jacob T.	Grant / award	1,250	$41.42	41,544
2026-03-01	Fernandez Amy M.	Tax withholding	4,496	$41.42	68,844
2026-03-01	Fernandez Amy M.	J	1,083	$41.42	73,340
2026-03-01	Fernandez Amy M.	Grant / award	1,910	$41.42	74,423
2026-02-24	Zambanini Adam Dante	Grant / award	18,914	$41.45	241,090
2026-02-24	Zambanini Adam Dante	Grant / award	18,914	$41.45	222,176
2026-02-24	Gandhi Prithvi	Grant / award	18,094	$41.45	76,454
2026-02-24	Gandhi Prithvi	Grant / award	13,848	$41.45	58,360
2026-02-24	Gandhi Prithvi	Grant / award	13,848	$41.45	44,512
2026-02-24	Fernandez Amy M.	Grant / award	10,181	$41.45	72,513
2026-02-24	Fernandez Amy M.	Grant / award	10,181	$41.45	62,332
2026-02-24	Rudolph Jacob T.	Grant / award	6,321	$41.45	40,294
2026-02-24	Rudolph Jacob T.	Grant / award	6,321	$41.45	33,973

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.