TREX CO INC

Ticker: TREX CUSIP: 89531P105 Class: Common Stock

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q2 2024

Shares 89,500 Value ($000) $6,634 Avg Close $87.49 Range $73.40 - $99.86

Q1 2024

Shares 60,100 Value ($000) $5,995 Avg Close $89.05 Range $75.79 - $101.91

Q4 2023

Shares 40,100 Value ($000) $3,320 Avg Close $66.33 Range $53.59 - $84.68

Q3 2023

Shares 30,400 Value ($000) $1,874 Avg Close $68.61 Range $61.00 - $76.05

Q3 2022

Shares 8,230 Value ($000) $362 Avg Close $53.50 Range $42.81 - $66.65

Q2 2022

Shares 8,760 Value ($000) $477 Avg Close $60.33 Range $49.31 - $69.21

Q1 2022

Shares 8,560 Value ($000) $559 Avg Close $89.05 Range $65.25 - $136.78

Q4 2021

Shares 8,810 Value ($000) $1,190 Avg Close $120.04 Range $90.59 - $140.98

Q3 2021

Shares 8,870 Value ($000) $904 Avg Close $104.56 Range $91.56 - $114.61

Q2 2021

Shares 18,040 Value ($000) $1,844 Avg Close $100.96 Range $92.35 - $111.04

Q1 2021

Shares 18,240 Value ($000) $1,670 Avg Close $94.04 Range $81.71 - $107.64

Q4 2020

Shares 21,190 Value ($000) $1,774 Avg Close $76.52 Range $64.26 - $87.88

Q3 2020

Shares 21,500 Value ($000) $1,539 Avg Close $69.18 Range $60.91 - $78.31

Q2 2020

Shares 6,510 Value ($000) $847 Avg Close $53.33 Range $33.21 - $66.42

Q1 2020

Shares 29,405 Value ($000) $2,357 Avg Close $46.86 Range $28.11 - $55.92

Q4 2019

Shares 25,030 Value ($000) $2,250 Avg Close $44.04 Range $41.00 - $46.81

Q3 2019

Shares 63,020 Value ($000) $5,730 Avg Close $40.33 Range $33.84 - $45.79

Q2 2019

Shares 93,670 Value ($000) $6,716 Avg Close $33.89 Range $28.77 - $38.77

Q1 2019

Shares 85,710 Value ($000) $5,273 Avg Close $34.94 Range $28.86 - $39.69

Q4 2018

Shares 103,030 Value ($000) $6,116 Avg Close $31.30 Range $25.44 - $38.75

Q3 2018

Shares 93,940 Value ($000) $7,232 Avg Close $38.47 Range $30.75 - $45.37

Q2 2018

Shares 94,380 Value ($000) $5,907 Avg Close $28.98 Range $25.52 - $33.38

Q1 2018

Shares 44,645 Value ($000) $4,856 Avg Close $27.54 Range $25.36 - $30.10

Q1 2017

Shares 3,600 Value ($000) $250 Avg Close $17.24 Range $16.05 - $19.54

Q2 2016

Shares 5,900 Value ($000) $265 Avg Close $11.28 Range $9.94 - $12.65

Q1 2016

Shares 9,500 Value ($000) $455 Avg Close $9.74 Range $7.78 - $12.04

Q2 2015

Shares 11,900 Value ($000) $588 Avg Close $12.82 Range $11.68 - $14.43

Q1 2015

Shares 12,700 Value ($000) $693 Avg Close $11.54 Range $9.51 - $13.78

Q4 2014

Shares 4,700 Value ($000) $200 Avg Close $9.96 Range $7.77 - $11.21

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2024	89,500	$6,634	$87.49	$73.40 - $99.86
Q1 2024	60,100	$5,995	$89.05	$75.79 - $101.91
Q4 2023	40,100	$3,320	$66.33	$53.59 - $84.68
Q3 2023	30,400	$1,874	$68.61	$61.00 - $76.05
Q3 2022	8,230	$362	$53.50	$42.81 - $66.65
Q2 2022	8,760	$477	$60.33	$49.31 - $69.21
Q1 2022	8,560	$559	$89.05	$65.25 - $136.78
Q4 2021	8,810	$1,190	$120.04	$90.59 - $140.98
Q3 2021	8,870	$904	$104.56	$91.56 - $114.61
Q2 2021	18,040	$1,844	$100.96	$92.35 - $111.04
Q1 2021	18,240	$1,670	$94.04	$81.71 - $107.64
Q4 2020	21,190	$1,774	$76.52	$64.26 - $87.88
Q3 2020	21,500	$1,539	$69.18	$60.91 - $78.31
Q2 2020	6,510	$847	$53.33	$33.21 - $66.42
Q1 2020	29,405	$2,357	$46.86	$28.11 - $55.92
Q4 2019	25,030	$2,250	$44.04	$41.00 - $46.81
Q3 2019	63,020	$5,730	$40.33	$33.84 - $45.79
Q2 2019	93,670	$6,716	$33.89	$28.77 - $38.77
Q1 2019	85,710	$5,273	$34.94	$28.86 - $39.69
Q4 2018	103,030	$6,116	$31.30	$25.44 - $38.75
Q3 2018	93,940	$7,232	$38.47	$30.75 - $45.37
Q2 2018	94,380	$5,907	$28.98	$25.52 - $33.38
Q1 2018	44,645	$4,856	$27.54	$25.36 - $30.10
Q1 2017	3,600	$250	$17.24	$16.05 - $19.54
Q2 2016	5,900	$265	$11.28	$9.94 - $12.65
Q1 2016	9,500	$455	$9.74	$7.78 - $12.04
Q2 2015	11,900	$588	$12.82	$11.68 - $14.43
Q1 2015	12,700	$693	$11.54	$9.51 - $13.78
Q4 2014	4,700	$200	$9.96	$7.77 - $11.21