William R. Gupp

TREX

William R. Gupp serves as Sr VP,Gen. Counsel & Secretary at Trex Company, Inc. (TREX). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

2 trades

$1.48M

Net Position

Net Seller

$1.48M

Companies Traded

TREX

Active Period

May 2021 – Nov 2021

2 total trades

Most Recent

Sell TREX

Nov 12, 2021 · $727.7K

William R. Gupp's Insider Trading at Trex Company, Inc. (TREX)

Buys

0 · $0.00

Sells

2 · $1.48M

Total Shares Bought

Total Shares Sold

12,926

TREX Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Nov 12, 2021	Sell	5,638	$129.08	$727.7K	101,305
May 12, 2021	Sell	7,288	$102.85	$749.6K	103,455

Related Insiders

ROSE B ANDREW

director

TREXBuy · Mar 3, 2026

Prithvi Gandhi

SVP, Chief Financial Officer

TREXBuy · Nov 14, 2025

Rudolph Jacob T.

SVP, CHRO

TREXBuy · Oct 10, 2025

Amy M. Fernandez

SVP, CLO and Secretary

TREXSell · Aug 6, 2025

Explore More Insider Trading Data

TREX Insider Trading Activity

View all insider trades at Trex Company, Inc.

Industrials Sector Insider Trades

See insider activity across industrials stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity