AEHR TEST SYS

Ticker: AEHR CUSIP: 00760J108 Class: Common Stock

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

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

Q3 2025

Shares 34,005 Value ($000) $1,024 Avg Close $21.65 Range $12.19 - $34.10

Q4 2023

Shares 82,769 Value ($000) $2,196 Avg Close $29.17 Range $21.57 - $48.28

Q3 2023

Shares 89,053 Value ($000) $4,070 Avg Close $46.36 Range $37.85 - $54.10

Q2 2023

Shares 106,170 Value ($000) $4,380 Avg Close $32.81 Range $23.11 - $44.25

Q1 2023

Shares 93,792 Value ($000) $2,909 Avg Close $32.21 Range $17.05 - $40.69

Q4 2022

Shares 148,320 Value ($000) $3 Avg Close $21.39 Range $13.70 - $28.00

Q3 2022

Shares 180,092 Value ($000) $2,539 Avg Close $13.46 Range $6.71 - $19.43

Q2 2022

Shares 175,084 Value ($000) $1,313 Avg Close $8.31 Range $6.86 - $10.79

Q1 2022

Shares 168,023 Value ($000) $1,707 Avg Close $12.78 Range $8.95 - $24.70

Q3 2020

Shares 236,664 Value ($000) $329 Avg Close $1.85 Range $1.31 - $2.49

Q2 2020

Shares 375,499 Value ($000) $734 Avg Close $1.72 Range $1.25 - $2.24

Q1 2020

Shares 327,148 Value ($000) $546 Avg Close $1.93 Range $1.10 - $2.78

Q4 2019

Shares 279,392 Value ($000) $559 Avg Close $1.87 Range $1.57 - $2.33

Q3 2019

Shares 269,438 Value ($000) $482 Avg Close $1.43 Range $1.27 - $1.90

Q2 2019

Shares 269,438 Value ($000) $445 Avg Close $1.65 Range $1.33 - $2.19

Q1 2019

Shares 156,112 Value ($000) $215 Avg Close $1.35 Range $1.03 - $1.97

Q4 2018

Shares 141,754 Value ($000) $200 Avg Close $1.87 Range $1.30 - $2.30

Q3 2018

Shares 152,466 Value ($000) $338 Avg Close $2.47 Range $2.08 - $2.82

Q2 2018

Shares 152,466 Value ($000) $358 Avg Close $2.47 Range $2.12 - $2.94

Q1 2018

Shares 152,466 Value ($000) $343 Avg Close $2.53 Range $2.16 - $3.37

Q4 2014

Shares 21,662 Value ($000) $55 Avg Close $2.45 Range $1.80 - $2.80

Q3 2014

Shares 24,297 Value ($000) $61 Avg Close $2.62 Range $2.15 - $3.24

Q2 2014

Shares 19,253 Value ($000) $41 Avg Close $2.35 Range $1.75 - $2.92

Q1 2014

Shares 19,253 Value ($000) $55 Avg Close $2.67 Range $2.21 - $3.36

Q4 2013

Shares 19,253 Value ($000) $59 Avg Close $2.68 Range $2.22 - $3.59

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	34,005	$1,024	$21.65	$12.19 - $34.10
Q4 2023	82,769	$2,196	$29.17	$21.57 - $48.28
Q3 2023	89,053	$4,070	$46.36	$37.85 - $54.10
Q2 2023	106,170	$4,380	$32.81	$23.11 - $44.25
Q1 2023	93,792	$2,909	$32.21	$17.05 - $40.69
Q4 2022	148,320	$3	$21.39	$13.70 - $28.00
Q3 2022	180,092	$2,539	$13.46	$6.71 - $19.43
Q2 2022	175,084	$1,313	$8.31	$6.86 - $10.79
Q1 2022	168,023	$1,707	$12.78	$8.95 - $24.70
Q3 2020	236,664	$329	$1.85	$1.31 - $2.49
Q2 2020	375,499	$734	$1.72	$1.25 - $2.24
Q1 2020	327,148	$546	$1.93	$1.10 - $2.78
Q4 2019	279,392	$559	$1.87	$1.57 - $2.33
Q3 2019	269,438	$482	$1.43	$1.27 - $1.90
Q2 2019	269,438	$445	$1.65	$1.33 - $2.19
Q1 2019	156,112	$215	$1.35	$1.03 - $1.97
Q4 2018	141,754	$200	$1.87	$1.30 - $2.30
Q3 2018	152,466	$338	$2.47	$2.08 - $2.82
Q2 2018	152,466	$358	$2.47	$2.12 - $2.94
Q1 2018	152,466	$343	$2.53	$2.16 - $3.37
Q4 2014	21,662	$55	$2.45	$1.80 - $2.80
Q3 2014	24,297	$61	$2.62	$2.15 - $3.24
Q2 2014	19,253	$41	$2.35	$1.75 - $2.92
Q1 2014	19,253	$55	$2.67	$2.21 - $3.36
Q4 2013	19,253	$59	$2.68	$2.22 - $3.59