ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

DEUTSCHE BANK AG\'s Holding History (CIK: 0000948046)

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

Q4 2025

Shares 171,306 Value ($000) $2,311 Avg Close $15.16 Range $13.27 - $18.32

Q3 2025

Shares 228,917 Value ($000) $3,530 Avg Close $14.10 Range $12.54 - $15.47

Q2 2025

Shares 223,026 Value ($000) $2,850 Avg Close $13.55 Range $10.86 - $16.05

Q1 2025

Shares 295,760 Value ($000) $4,700 Avg Close $15.21 Range $13.80 - $16.86

Q4 2024

Shares 300,317 Value ($000) $4,415 Avg Close $17.11 Range $14.47 - $20.27

Q3 2024

Shares 259,506 Value ($000) $4,513 Avg Close $15.78 Range $12.46 - $18.36

Q2 2024

Shares 553,425 Value ($000) $7,355 Avg Close $13.78 Range $12.26 - $15.95

Q1 2024

Shares 345,349 Value ($000) $5,453 Avg Close $15.91 Range $13.95 - $19.19

Q4 2023

Shares 251,294 Value ($000) $4,734 Avg Close $18.57 Range $14.04 - $21.32

Q3 2023

Shares 226,620 Value ($000) $4,807 Avg Close $26.69 Range $20.50 - $30.76

Q2 2023

Shares 288,058 Value ($000) $8,051 Avg Close $24.94 Range $21.78 - $29.71

Q1 2023

Shares 317,102 Value ($000) $7,309 Avg Close $21.96 Range $19.68 - $24.18

Q4 2022

Shares 303,207 Value ($000) $6,213 Avg Close $21.88 Range $17.32 - $26.34

Q3 2022

Shares 314,225 Value ($000) $6,831 Avg Close $22.52 Range $18.74 - $26.20

Q2 2022

Shares 430,068 Value ($000) $8,353 Avg Close $19.40 Range $16.92 - $21.97

Q1 2022

Shares 255,243 Value ($000) $5,141 Avg Close $19.47 Range $17.84 - $22.09

Q4 2021

Shares 231,072 Value ($000) $4,966 Avg Close $20.92 Range $18.50 - $24.99

Q3 2021

Shares 183,034 Value ($000) $3,484 Avg Close $20.30 Range $17.94 - $23.69

Q2 2021

Shares 156,608 Value ($000) $3,568 Avg Close $19.71 Range $16.40 - $22.81

Q1 2021

Shares 70,452 Value ($000) $1,293 Avg Close $16.01 Range $13.45 - $20.25

Q4 2020

Shares 47,522 Value ($000) $648 Avg Close $10.67 Range $8.12 - $13.98

Q3 2020

Shares 22,956 Value ($000) $189 Avg Close $8.02 Range $6.69 - $9.18

Q2 2020

Shares 24,685 Value ($000) $188 Avg Close $7.92 Range $6.66 - $9.31

Q1 2020

Shares 69,421 Value ($000) $517 Avg Close $9.48 Range $6.11 - $11.07

Q4 2019

Shares 98,029 Value ($000) $959 Avg Close $9.21 Range $8.32 - $10.24

Q3 2019

Shares 116,156 Value ($000) $1,075 Avg Close $10.08 Range $8.61 - $12.04

Q2 2019

Shares 132,445 Value ($000) $1,378 Avg Close $9.84 Range $8.69 - $11.11

Q1 2019

Shares 166,581 Value ($000) $1,452 Avg Close $7.96 Range $6.56 - $9.18

Q4 2018

Shares 125,555 Value ($000) $844 Avg Close $7.87 Range $6.17 - $9.28

Q3 2018

Shares 161,855 Value ($000) $1,448 Avg Close $8.85 Range $7.68 - $10.25

Q2 2018

Shares 180,689 Value ($000) $1,458 Avg Close $8.43 Range $7.56 - $9.36

Q1 2018

Shares 54,845 Value ($000) $450 Avg Close $8.08 Range $6.17 - $9.21

Q4 2017

Shares 79,570 Value ($000) $696 Avg Close $9.12 Range $7.48 - $11.30

Q3 2017

Shares 202,229 Value ($000) $1,597 Avg Close $7.14 Range $6.13 - $8.43

Q2 2017

Shares 281,349 Value ($000) $2,330 Avg Close $8.01 Range $7.11 - $8.77

Q1 2017

Shares 132,915 Value ($000) $1,105 Avg Close $9.28 Range $7.11 - $11.46

Q4 2016

Shares 35,799 Value ($000) $369 Avg Close $12.01 Range $8.53 - $16.30

Q3 2016

Shares 46,884 Value ($000) $747 Avg Close $12.16 Range $8.35 - $16.67

Q2 2016

Shares 131,544 Value ($000) $1,168 Avg Close $10.67 Range $7.77 - $13.35

Q1 2016

Shares 101,638 Value ($000) $1,050 Avg Close $7.29 Range $5.28 - $10.82

Q4 2015

Shares 69,991 Value ($000) $494 Avg Close $6.31 Range $2.09 - $9.50

Q3 2015

Shares 27,441 Value ($000) $58 Avg Close $2.59 Range $2.07 - $3.07

Q2 2015

Shares 52,490 Value ($000) $143 Avg Close $2.93 Range $2.28 - $3.71

Q1 2015

Shares 15,128 Value ($000) $38 Avg Close $3.44 Range $2.49 - $5.37

Q4 2014

Shares 40,117 Value ($000) $211 Avg Close $4.54 Range $3.30 - $5.42

Q3 2014

Shares 40,460 Value ($000) $142 Avg Close $4.37 Range $3.54 - $5.15

Q2 2014

Shares 76,116 Value ($000) $373 Avg Close $5.16 Range $4.10 - $6.18

Q1 2014

Shares 61,453 Value ($000) $325 Avg Close $4.92 Range $3.82 - $6.98

Q4 2013

Shares 49,018 Value ($000) $271 Avg Close $5.62 Range $4.56 - $7.55

Q3 2013

Shares 1,177,458 Value ($000) $8,522 Avg Close $5.20 Range $3.99 - $7.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	171,306	$2,311	$15.16	$13.27 - $18.32
Q3 2025	228,917	$3,530	$14.10	$12.54 - $15.47
Q2 2025	223,026	$2,850	$13.55	$10.86 - $16.05
Q1 2025	295,760	$4,700	$15.21	$13.80 - $16.86
Q4 2024	300,317	$4,415	$17.11	$14.47 - $20.27
Q3 2024	259,506	$4,513	$15.78	$12.46 - $18.36
Q2 2024	553,425	$7,355	$13.78	$12.26 - $15.95
Q1 2024	345,349	$5,453	$15.91	$13.95 - $19.19
Q4 2023	251,294	$4,734	$18.57	$14.04 - $21.32
Q3 2023	226,620	$4,807	$26.69	$20.50 - $30.76
Q2 2023	288,058	$8,051	$24.94	$21.78 - $29.71
Q1 2023	317,102	$7,309	$21.96	$19.68 - $24.18
Q4 2022	303,207	$6,213	$21.88	$17.32 - $26.34
Q3 2022	314,225	$6,831	$22.52	$18.74 - $26.20
Q2 2022	430,068	$8,353	$19.40	$16.92 - $21.97
Q1 2022	255,243	$5,141	$19.47	$17.84 - $22.09
Q4 2021	231,072	$4,966	$20.92	$18.50 - $24.99
Q3 2021	183,034	$3,484	$20.30	$17.94 - $23.69
Q2 2021	156,608	$3,568	$19.71	$16.40 - $22.81
Q1 2021	70,452	$1,293	$16.01	$13.45 - $20.25
Q4 2020	47,522	$648	$10.67	$8.12 - $13.98
Q3 2020	22,956	$189	$8.02	$6.69 - $9.18
Q2 2020	24,685	$188	$7.92	$6.66 - $9.31
Q1 2020	69,421	$517	$9.48	$6.11 - $11.07
Q4 2019	98,029	$959	$9.21	$8.32 - $10.24
Q3 2019	116,156	$1,075	$10.08	$8.61 - $12.04
Q2 2019	132,445	$1,378	$9.84	$8.69 - $11.11
Q1 2019	166,581	$1,452	$7.96	$6.56 - $9.18
Q4 2018	125,555	$844	$7.87	$6.17 - $9.28
Q3 2018	161,855	$1,448	$8.85	$7.68 - $10.25
Q2 2018	180,689	$1,458	$8.43	$7.56 - $9.36
Q1 2018	54,845	$450	$8.08	$6.17 - $9.21
Q4 2017	79,570	$696	$9.12	$7.48 - $11.30
Q3 2017	202,229	$1,597	$7.14	$6.13 - $8.43
Q2 2017	281,349	$2,330	$8.01	$7.11 - $8.77
Q1 2017	132,915	$1,105	$9.28	$7.11 - $11.46
Q4 2016	35,799	$369	$12.01	$8.53 - $16.30
Q3 2016	46,884	$747	$12.16	$8.35 - $16.67
Q2 2016	131,544	$1,168	$10.67	$7.77 - $13.35
Q1 2016	101,638	$1,050	$7.29	$5.28 - $10.82
Q4 2015	69,991	$494	$6.31	$2.09 - $9.50
Q3 2015	27,441	$58	$2.59	$2.07 - $3.07
Q2 2015	52,490	$143	$2.93	$2.28 - $3.71
Q1 2015	15,128	$38	$3.44	$2.49 - $5.37
Q4 2014	40,117	$211	$4.54	$3.30 - $5.42
Q3 2014	40,460	$142	$4.37	$3.54 - $5.15
Q2 2014	76,116	$373	$5.16	$4.10 - $6.18
Q1 2014	61,453	$325	$4.92	$3.82 - $6.98
Q4 2013	49,018	$271	$5.62	$4.56 - $7.55
Q3 2013	1,177,458	$8,522	$5.20	$3.99 - $7.75