TETRA TECHNOLOGIES INC DEL

Ticker: TTI CUSIP: 88162F105 Class: Common Stock

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q4 2025

Shares 760,393 Value ($000) $7,125 Avg Close $7.72 Range $5.38 - $9.64

Q3 2025

Shares 776,904 Value ($000) $4,467 Avg Close $4.27 Range $3.17 - $6.04

Q2 2025

Shares 751,809 Value ($000) $2,526 Avg Close $2.91 Range $2.03 - $3.93

Q1 2025

Shares 757,252 Value ($000) $2,544 Avg Close $3.99 Range $3.20 - $5.12

Q4 2024

Shares 761,653 Value ($000) $2,727 Avg Close $3.55 Range $2.89 - $4.12

Q3 2024

Shares 874,820 Value ($000) $2,712 Avg Close $3.23 Range $2.68 - $3.99

Q2 2024

Shares 872,483 Value ($000) $3,019 Avg Close $3.99 Range $3.12 - $5.08

Q1 2024

Shares 747,714 Value ($000) $3,312 Avg Close $4.15 Range $3.71 - $4.74

Q4 2023

Shares 736,181 Value ($000) $3,328 Avg Close $5.05 Range $4.16 - $6.77

Q3 2023

Shares 793,065 Value ($000) $5,060 Avg Close $5.15 Range $3.33 - $6.64

Q2 2023

Shares 803,741 Value ($000) $2,717 Avg Close $2.89 Range $2.56 - $3.49

Q1 2023

Shares 570,342 Value ($000) $1,511 Avg Close $3.48 Range $2.43 - $4.07

Q4 2022

Shares 488,817 Value ($000) $2 Avg Close $3.89 Range $3.26 - $5.06

Q3 2022

Shares 492,007 Value ($000) $1,766 Avg Close $3.94 Range $3.27 - $4.55

Q2 2022

Shares 332,253 Value ($000) $1,349 Avg Close $4.40 Range $3.45 - $5.82

Q4 2019

Shares 903,066 Value ($000) $1,770 Avg Close $1.61 Range $1.11 - $2.16

Q3 2019

Shares 874,958 Value ($000) $1,759 Avg Close $1.72 Range $1.25 - $2.18

Q2 2019

Shares 962,373 Value ($000) $1,569 Avg Close $2.01 Range $1.38 - $2.58

Q1 2019

Shares 841,879 Value ($000) $1,970 Avg Close $2.32 Range $1.59 - $2.68

Q4 2018

Shares 428,793 Value ($000) $720 Avg Close $2.78 Range $1.29 - $4.57

Q3 2018

Shares 455,228 Value ($000) $2,053 Avg Close $4.53 Range $4.09 - $5.11

Q4 2013

Shares 100,469 Value ($000) $1,242 Avg Close $12.46 Range $11.52 - $13.41

Q3 2013

Shares 96,418 Value ($000) $1,208 Avg Close $11.42 Range $9.41 - $12.97

Q2 2013

Shares 143,745 Value ($000) $1,475 Avg Close $9.74 Range $8.15 - $11.48

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	760,393	$7,125	$7.72	$5.38 - $9.64
Q3 2025	776,904	$4,467	$4.27	$3.17 - $6.04
Q2 2025	751,809	$2,526	$2.91	$2.03 - $3.93
Q1 2025	757,252	$2,544	$3.99	$3.20 - $5.12
Q4 2024	761,653	$2,727	$3.55	$2.89 - $4.12
Q3 2024	874,820	$2,712	$3.23	$2.68 - $3.99
Q2 2024	872,483	$3,019	$3.99	$3.12 - $5.08
Q1 2024	747,714	$3,312	$4.15	$3.71 - $4.74
Q4 2023	736,181	$3,328	$5.05	$4.16 - $6.77
Q3 2023	793,065	$5,060	$5.15	$3.33 - $6.64
Q2 2023	803,741	$2,717	$2.89	$2.56 - $3.49
Q1 2023	570,342	$1,511	$3.48	$2.43 - $4.07
Q4 2022	488,817	$2	$3.89	$3.26 - $5.06
Q3 2022	492,007	$1,766	$3.94	$3.27 - $4.55
Q2 2022	332,253	$1,349	$4.40	$3.45 - $5.82
Q4 2019	903,066	$1,770	$1.61	$1.11 - $2.16
Q3 2019	874,958	$1,759	$1.72	$1.25 - $2.18
Q2 2019	962,373	$1,569	$2.01	$1.38 - $2.58
Q1 2019	841,879	$1,970	$2.32	$1.59 - $2.68
Q4 2018	428,793	$720	$2.78	$1.29 - $4.57
Q3 2018	455,228	$2,053	$4.53	$4.09 - $5.11
Q4 2013	100,469	$1,242	$12.46	$11.52 - $13.41
Q3 2013	96,418	$1,208	$11.42	$9.41 - $12.97
Q2 2013	143,745	$1,475	$9.74	$8.15 - $11.48