TREX CO INC

Ticker: TREX CUSIP: 89531P105 Class: Common Stock

OSTERWEIS CAPITAL MANAGEMENT INC's Holding History (CIK: 0001007524)

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

Q3 2025

Shares 195,296 Value ($000) $10,091 Avg Close $60.90 Range $49.55 - $68.78

Q2 2025

Shares 154,315 Value ($000) $8,392 Avg Close $56.68 Range $49.01 - $63.17

Q2 2023

Shares 101,045 Value ($000) $6,625 Avg Close $55.79 Range $46.84 - $66.20

Q1 2023

Shares 93,675 Value ($000) $4,559 Avg Close $50.58 Range $42.68 - $59.84

Q4 2022

Shares 107,395 Value ($000) $4,546 Avg Close $45.39 Range $38.68 - $52.08

Q3 2022

Shares 64,360 Value ($000) $2,828 Avg Close $53.50 Range $42.81 - $66.65

Q2 2022

Shares 42,165 Value ($000) $2,295 Avg Close $60.33 Range $49.31 - $69.21

Q1 2022

Shares 62,550 Value ($000) $4,086 Avg Close $89.05 Range $65.25 - $136.78

Q1 2020

Shares 34,090 Value ($000) $2,732 Avg Close $46.86 Range $28.11 - $55.92

Q4 2019

Shares 58,950 Value ($000) $5,298 Avg Close $44.04 Range $41.00 - $46.81

Q3 2019

Shares 68,180 Value ($000) $6,200 Avg Close $40.33 Range $33.84 - $45.79

Q2 2019

Shares 70,220 Value ($000) $5,035 Avg Close $33.89 Range $28.77 - $38.77

Q1 2019

Shares 75,845 Value ($000) $4,666 Avg Close $34.94 Range $28.86 - $39.69

Q4 2018

Shares 126,830 Value ($000) $7,529 Avg Close $31.30 Range $25.44 - $38.75

Q3 2018

Shares 94,225 Value ($000) $7,253 Avg Close $38.47 Range $30.75 - $45.37

Q2 2018

Shares 79,040 Value ($000) $4,947 Avg Close $28.98 Range $25.52 - $33.38

Q1 2018

Shares 22,530 Value ($000) $2,451 Avg Close $27.54 Range $25.36 - $30.10

Q4 2017

Shares 30,630 Value ($000) $3,320 Avg Close $25.45 Range $20.91 - $29.66

Q3 2017

Shares 41,460 Value ($000) $3,734 Avg Close $19.06 Range $16.75 - $22.52

Q2 2017

Shares 23,115 Value ($000) $1,564 Avg Close $16.88 Range $15.39 - $19.12

Q1 2017

Shares 35,404 Value ($000) $2,457 Avg Close $17.24 Range $16.05 - $19.54

Q4 2016

Shares 37,329 Value ($000) $2,404 Avg Close $15.62 Range $12.70 - $18.05

Q3 2016

Shares 26,584 Value ($000) $1,561 Avg Close $13.94 Range $11.10 - $16.09

Q2 2016

Shares 21,584 Value ($000) $970 Avg Close $11.28 Range $9.94 - $12.65

Q1 2016

Shares 39,084 Value ($000) $1,873 Avg Close $9.74 Range $7.78 - $12.04

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	195,296	$10,091	$60.90	$49.55 - $68.78
Q2 2025	154,315	$8,392	$56.68	$49.01 - $63.17
Q2 2023	101,045	$6,625	$55.79	$46.84 - $66.20
Q1 2023	93,675	$4,559	$50.58	$42.68 - $59.84
Q4 2022	107,395	$4,546	$45.39	$38.68 - $52.08
Q3 2022	64,360	$2,828	$53.50	$42.81 - $66.65
Q2 2022	42,165	$2,295	$60.33	$49.31 - $69.21
Q1 2022	62,550	$4,086	$89.05	$65.25 - $136.78
Q1 2020	34,090	$2,732	$46.86	$28.11 - $55.92
Q4 2019	58,950	$5,298	$44.04	$41.00 - $46.81
Q3 2019	68,180	$6,200	$40.33	$33.84 - $45.79
Q2 2019	70,220	$5,035	$33.89	$28.77 - $38.77
Q1 2019	75,845	$4,666	$34.94	$28.86 - $39.69
Q4 2018	126,830	$7,529	$31.30	$25.44 - $38.75
Q3 2018	94,225	$7,253	$38.47	$30.75 - $45.37
Q2 2018	79,040	$4,947	$28.98	$25.52 - $33.38
Q1 2018	22,530	$2,451	$27.54	$25.36 - $30.10
Q4 2017	30,630	$3,320	$25.45	$20.91 - $29.66
Q3 2017	41,460	$3,734	$19.06	$16.75 - $22.52
Q2 2017	23,115	$1,564	$16.88	$15.39 - $19.12
Q1 2017	35,404	$2,457	$17.24	$16.05 - $19.54
Q4 2016	37,329	$2,404	$15.62	$12.70 - $18.05
Q3 2016	26,584	$1,561	$13.94	$11.10 - $16.09
Q2 2016	21,584	$970	$11.28	$9.94 - $12.65
Q1 2016	39,084	$1,873	$9.74	$7.78 - $12.04