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 JS
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Detailed Insider History for:
ENERGY RECOVERY INC: ERII
Price: 10/31/25 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$17.11 $20.27 $10.86 $910 53 420 0.0% 2.6% 90.09% 2.77%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Industrial And Commercial Machinery And Computer Equipment Special Industry Machinery, N E C
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
1y
10
70%
-10%
1
YEUNG WILLIAM
LO
OS
$226,799
12,698
10/23/25
10/24/25
$17.50
$18.00
97,369
-11.5
D
10b
10/27/25 - 5:28:52 pm
2
    
 
YEUNG WILLIAM
LO
OE
$110,401
12,698
10/23/25
10/24/25
---
$7.50
103,007
14.1
D
10b
10/27/25 - 5:28:52 pm
3
1y
10
70%
-10%
1
YEUNG WILLIAM
LO
OS
$60,010
3,530
---
10/20/25
---
$17.00
97,369
-3.5
D
10b
10/22/25 - 6:09:27 pm
4
    
 
YEUNG WILLIAM
LO
OE
$26,475
3,530
---
10/20/25
---
$7.50
100,899
3.6
D
10b
10/22/25 - 6:09:27 pm
5
1y
10
70%
-10%
1
YEUNG WILLIAM
LO
OS
$58,245
3,530
---
10/16/25
---
$16.50
97,369
-3.5
D
10b
10/17/25 - 4:40:45 pm
6
    
 
YEUNG WILLIAM
LO
OE
$26,475
3,530
---
10/16/25
---
$7.50
100,899
3.6
D
10b
10/17/25 - 4:40:45 pm
7
1y
10
70%
-10%
1
YEUNG WILLIAM
LO
OS
$57,072
3,567
---
10/3/25
---
$16.00
97,369
-3.5
D
10b
10/7/25 - 5:11:07 pm
8
    
 
YEUNG WILLIAM
LO
OE
$26,753
3,567
---
10/3/25
---
$7.50
99,898
3.7
D
10b
10/7/25 - 5:11:07 pm
9
1y
10
70%
-10%
1
YEUNG WILLIAM
LO
OS
$233,139
15,454
---
9/18/25
---
$15.09
97,369
-13.7
D
10b
9/22/25 - 7:18:23 pm
10
    
 
YEUNG WILLIAM
LO
OE
$138,313
15,454
---
9/18/25
---
$8.95
112,823
15.9
D
10b
9/22/25 - 7:18:23 pm
11
1y
10
70%
-10%
1
YEUNG WILLIAM
LO
OS
$486,869
33,554
---
9/11/25
---
$14.51
97,369
-25.6
D
10b
9/15/25 - 5:00:47 pm
12
    
 
YEUNG WILLIAM
LO
OE
$276,349
30,877
---
9/11/25
---
$8.95
130,923
30.9
D
10b
9/15/25 - 5:00:47 pm
13
1y
34
62%
-1%
1
CLEMENTE RODNEY
VP
AS
$75,256
5,387
---
7/28/25
---
$13.97
100,765
-5.1
D
10b
7/29/25 - 4:19:35 pm
14
    
 
YEUNG WILLIAM
LO
JS
$27,607
1,989
---
7/25/25
---
$13.88
100,046
-1.9
D
---
7/29/25 - 4:21:03 pm
15
    
 
CLEMENTE RODNEY
VP
JS
$32,202
2,320
---
7/25/25
---
$13.88
106,152
-2.1
D
10b
7/29/25 - 4:19:35 pm
16
    
 
TONDREAU PAMELA L
DIR
JB
---
14,847
---
6/5/25
---
---
55,890
36.2
D
R
6/6/25 - 4:52:55 pm
17
    
 
BUEHLER ALEXANDER J
DIR
JB
---
12,038
---
6/5/25
---
---
66,328
22.2
D
R
6/6/25 - 4:51:34 pm
18
    
 
CHOW JOAN KAI
DIR
JB
---
12,038
---
6/5/25
---
---
34,022
54.8
D
R
6/6/25 - 4:50:11 pm
19
    
 
HANSTVEIT ARVE
DIR
JB
---
12,038
---
6/5/25
---
---
705,220
1.7
D
R
6/6/25 - 4:48:44 pm
20
    
 
SABOL COLIN R
DIR
JB
---
12,038
---
6/5/25
---
---
26,397
83.8
D
R
6/6/25 - 4:46:57 pm
21
    
 
TONDREAU PAMELA L
DIR
B
$51,570
4,200
---
5/14/25
---
$12.28
41,043
11.4
D
---
5/15/25 - 5:04:26 pm
22
1y
4
25%
-6%
2
MOON DAVID W
PR,CEO,DIR
B
$51,240
4,200
---
5/13/25
---
$12.20
36,950
12.8
I
---
5/15/25 - 5:05:23 pm
23
1y
29
55%
19%
1
HANSTVEIT ARVE
DIR
S
$816,950
50,000
---
3/11/25
---
$16.34
693,182
-6.7
D
---
3/13/25 - 4:24:22 pm
24
1y
34
62%
-1%
1
CLEMENTE RODNEY
VP
AS
$29,912
1,843
---
3/11/25
---
$16.23
108,472
-1.7
D
10b
3/12/25 - 4:57:41 pm
25
    
 
YEUNG WILLIAM
LO
JS
$15,453
944
---
3/10/25
---
$16.37
102,035
-0.9
D
---
3/12/25 - 4:59:47 pm
26
    
 
CLEMENTE RODNEY
VP
JS
$12,998
794
---
3/10/25
---
$16.37
110,315
-0.7
D
10b
3/12/25 - 4:57:41 pm
27
    
 
RAMANAN NATARAJAN
CTO
JB
---
26,455
---
3/3/25
---
---
26,455
New
D
R
3/12/25 - 5:04:19 pm
28
    
 
RAMANAN NATARAJAN
CTO
3
---
---
---
3/3/25
---
---
---
---
---
---
3/12/25 - 5:02:36 pm
29
1y
34
62%
-1%
1
CLEMENTE RODNEY
VP
AS
$330,709
21,444
---
2/20/25
---
$15.42
111,109
-16.2
D
10b
2/24/25 - 6:34:56 pm
30
    
 
HOSTETLER MATTHEW
HR
3
---
---
---
2/19/25
---
---
23,956
---
D
R
2/24/25 - 6:37:06 pm
31
    
 
GHASRIPOOR FARSHAD
CTO
JS
$20,363
66,420
2/3/25
2/4/25
---
$14.34
52,860
-55.7
D
---
2/5/25 - 6:38:28 pm
32
    
 
GHASRIPOOR FARSHAD
CTO
JB
---
65,000
---
2/4/25
---
---
70,230
1,242.8
I
---
2/5/25 - 6:38:28 pm
33
    
 
CLEMENTE RODNEY
VP
JS
$13,537
944
---
2/3/25
---
$14.34
132,553
-0.7
D
---
2/5/25 - 6:41:57 pm
34
    
 
YEUNG WILLIAM
LO
JS
$12,648
882
---
2/3/25
---
$14.34
102,979
-0.8
D
---
2/5/25 - 6:40:51 pm
35
    
 
YEUNG WILLIAM
LO
JS
$19,131
1,325
1/30/25
1/31/25
$14.33
$14.56
103,861
-1.3
D
---
2/3/25 - 6:22:24 pm
36
    
 
GHASRIPOOR FARSHAD
CTO
JS
$28,300
1,960
1/30/25
1/31/25
$14.33
$14.56
119,280
-1.6
D
---
2/3/25 - 6:20:27 pm
37
    
 
CLEMENTE RODNEY
VP
JS
$18,899
1,309
1/30/25
1/31/25
$14.33
$14.56
133,497
-1.0
D
---
2/3/25 - 6:19:03 pm
38
    
 
MOON DAVID W
PR,CEO,DIR
JS
$110,362
7,664
---
1/27/25
---
$14.40
168,417
-4.4
D
---
1/29/25 - 5:44:39 pm
39
    
 
YEUNG WILLIAM
LO
JS
$58,478
4,061
---
1/27/25
---
$14.40
105,186
-3.7
D
---
1/29/25 - 5:43:45 pm
40
    
 
GHASRIPOOR FARSHAD
CTO
JS
$82,382
5,721
---
1/27/25
---
$14.40
121,240
-4.5
D
---
1/29/25 - 5:42:39 pm
41
    
 
CLEMENTE RODNEY
VP
JS
$83,290
5,784
---
1/27/25
---
$14.40
134,806
-4.1
D
---
1/29/25 - 5:41:31 pm
42
    
 
YEUNG WILLIAM
LO
JB
---
23,956
---
1/23/25
---
---
109,247
28.1
D
R
1/27/25 - 6:06:18 pm
43
    
 
MOON DAVID W
PR,CEO,DIR
JB
---
88,980
---
1/23/25
---
---
176,081
102.2
D
R
1/27/25 - 6:04:47 pm
44
    
 
CLEMENTE RODNEY
VP
JB
---
34,223
---
1/23/25
---
---
140,590
32.2
D
R
1/27/25 - 6:03:40 pm
45
    
 
MANCINI MICHAEL S
CFO
JB
---
34,223
---
1/23/25
---
---
34,223
New
D
R
1/27/25 - 6:02:21 pm
46
1y
29
55%
19%
1
HANSTVEIT ARVE
DIR
S
$337,400
20,000
---
12/11/24
---
$16.87
743,182
-2.6
D
---
12/17/24 - 5:30:54 pm
47
1y
34
62%
-1%
1
CLEMENTE RODNEY
VP
AS
$549,928
27,456
11/7/24
11/11/24
$20.00
$20.06
106,367
-20.5
D
10b
11/12/24 - 5:53:24 pm
48
1y
15
47%
6%
1
GHASRIPOOR FARSHAD
CTO
S
$189,121
10,526
---
10/28/24
---
$17.97
126,961
-7.7
D
---
10/30/24 - 6:24:37 pm
49
1y
34
62%
-1%
1
CLEMENTE RODNEY
VP
S
$116,947
6,505
---
10/28/24
---
$17.98
133,823
-4.6
D
---
10/30/24 - 6:23:09 pm
50
1y
2
50%
-1%
2
MOON DAVID W
PR,CEO,DIR
S
$45,834
2,550
---
10/28/24
---
$17.97
87,101
-2.8
D
---
10/30/24 - 6:22:19 pm
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