TREX CO INC

Ticker: TREX CUSIP: 89531P105 Class: Common Stock

SUMMITRY LLC's Holding History (CIK: 0001280043)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025

Shares 5,362 Value ($000) $277 Avg Close $60.90 Range $49.55 - $68.78

Q2 2025

Shares 4,627 Value ($000) $252 Avg Close $56.68 Range $49.01 - $63.17

Q1 2025

Shares 3,625 Value ($000) $211 Avg Close $64.97 Range $52.75 - $75.55

Q4 2024

Shares 3,197 Value ($000) $221 Avg Close $70.47 Range $61.97 - $80.74

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	5,362	$277	$60.90	$49.55 - $68.78
Q2 2025	4,627	$252	$56.68	$49.01 - $63.17
Q1 2025	3,625	$211	$64.97	$52.75 - $75.55
Q4 2024	3,197	$221	$70.47	$61.97 - $80.74