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Stocks · Industrials · Special Industry Machinery, NEC

Energy Recovery, Inc.

ERII Clue Score76
United States Fiscal year ends December CIK 0001421517 Results filed 4 Nov 2026
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What the insiders did Net selling

Individual transactions

104
Insider
Date
Role
Action
Shares
Price
Amount
Alexander J Buehler
15 Jun 2026
Interim President and CEO
Sold after exercise
14,900
$8.71
$129.78K
William Yeung
24 Oct 2025
Chief Legal Officer
Sold after exercise
3,530
$18.00
$63.54K
William Yeung
24 Oct 2025
Chief Legal Officer
Sold after exercise
5,638
$18.00
$101.48K
William Yeung
23 Oct 2025
Chief Legal Officer
Sold after exercise
3,530
$17.50
$61.78K
William Yeung
20 Oct 2025
Chief Legal Officer
Sold after exercise
3,530
$17.00
$60.01K
William Yeung
16 Oct 2025
Chief Legal Officer
Sold after exercise
3,530
$16.50
$58.25K
William Yeung
3 Oct 2025
Chief Legal Officer
Sold after exercise
2,529
$16.00
$40.46K
William Yeung
3 Oct 2025
Chief Legal Officer
Sold after exercise
1,038
$16.00
$16.61K
William Yeung
18 Sep 2025
Chief Legal Officer
Sold after exercise
15,454
$15.09
$233.14K
William Yeung
11 Sep 2025
Chief Legal Officer
Sold after exercise
33,554
$14.51
$486.87K
Robert Yu Lang Mao
22 May 2024
Director
Sold after exercise
21,045
$13.86
$291.66K
Robert Yu Lang Mao
4 Mar 2024
Director
Sold after exercise
15,270
$15.74
$240.37K
Robert Yu Lang Mao
4 Mar 2024
Director
Sold after exercise
20,509
$15.74
$322.88K
Robert Yu Lang Mao
1 Mar 2024
Director
Sold after exercise
32,883
$16.21
$532.90K
Robert Yu Lang Mao
1 Mar 2024
Director
Sold after exercise
5,142
$16.22
$83.40K
Robert Yu Lang Mao
29 Feb 2024
Director
Sold after exercise
39,314
$15.58
$612.51K
Joshua Ballard
3 Jan 2024
Chief Financial Officer
Sold after exercise
6,250
$18.59
$116.19K
Joshua Ballard
2 Jan 2024
Chief Financial Officer
Sold after exercise
6,250
$18.50
$115.63K
Robert Yu Lang Mao
7 Nov 2023
Director
Sold after exercise
121,383
$18.02
$2.19M
Robert Yu Lang Mao
6 Nov 2023
Director
Sold after exercise
130,000
$17.76
$2.31M
Farshad Ghasripoor
29 Aug 2023
Chief Technology Officer
Sold after exercise
51,131
$27.92
$1.43M
Rodney Clemente
25 Aug 2023
SVP, Water
Sold after exercise
31,373
$27.03
$848.11K
Arve Hanstveit
1 Jun 2023
Director
Sold after exercise
15,327
$23.73
$363.70K
Joshua Ballard
1 Feb 2023
Chief Financial Officer
Sold after exercise
15,000
$21.88
$328.21K
Arve Hanstveit
16 Nov 2022
Director
Sold after exercise
17,236
$20.93
$360.81K
Sherif Foda
14 Sep 2022
Director
Sold after exercise
15,879
$25.50
$404.91K
Robert Yu Lang Mao
9 Aug 2022
President and CEO
Sold after exercise
2,000
$22.46
$44.93K
Alexander J Buehler
3 Jun 2022
Director
Sold after exercise
50,000
$21.34
$1.07M
Sherif Foda
24 Nov 2021
Director
Sold after exercise
20,000
$22.46
$449.26K
Sherif Foda
13 Sep 2021
Director
Sold after exercise
5,595
$21.59
$120.82K
Rodney Clemente
3 May 2021
SVP, Water
Sold after exercise
1,831
$21.11
$38.66K
Rodney Clemente
3 May 2021
SVP, Water
Sold after exercise
2,983
$21.11
$62.98K
Rodney Clemente
2 Mar 2021
SVP, Water
Sold after exercise
912
$18.33
$16.72K
Rodney Clemente
1 Mar 2021
SVP, Water
Sold after exercise
7,327
$18.21
$133.43K
Rodney Clemente
1 Mar 2021
SVP, Water
Sold after exercise
10,998
$18.19
$200.05K
Rodney Clemente
1 Mar 2021
SVP, Water
Sold after exercise
9,957
$18.19
$181.12K
Farshad Ghasripoor
24 Feb 2021
Chief Technology Officer
Sold after exercise
9,383
$17.00
$159.51K
Farshad Ghasripoor
24 Feb 2021
Chief Technology Officer
Sold after exercise
7,389
$17.00
$125.61K
Rodney Clemente
24 Feb 2021
SVP, Water
Sold after exercise
1,731
$16.52
$28.60K
Farshad Ghasripoor
23 Feb 2021
Chief Technology Officer
Sold after exercise
14,791
$16.00
$236.66K
Farshad Ghasripoor
23 Feb 2021
Chief Technology Officer
Sold after exercise
11,456
$16.00
$183.30K
Farshad Ghasripoor
23 Feb 2021
Chief Technology Officer
Sold after exercise
8,000
$16.00
$128.00K
Rodney Clemente
23 Feb 2021
SVP, Water
Sold after exercise
17,154
$15.60
$267.60K
Rodney Clemente
23 Feb 2021
SVP, Water
Sold after exercise
4,042
$15.50
$62.65K
Rodney Clemente
23 Feb 2021
SVP, Water
Sold after exercise
18,287
$15.50
$283.45K
Rodney Clemente
23 Feb 2021
SVP, Water
Sold after exercise
9,998
$16.52
$165.17K
Rodney Clemente
23 Feb 2021
SVP, Water
Sold after exercise
14,518
$16.52
$239.84K
Rodney Clemente
16 Feb 2021
SVP, Water
Sold after exercise
200
$15.50
$3.10K
Farshad Ghasripoor
12 Feb 2021
Chief Technology Officer
Sold after exercise
8,476
$15.00
$127.14K
Farshad Ghasripoor
12 Feb 2021
Chief Technology Officer
Sold after exercise
11,510
$15.00
$172.65K
Farshad Ghasripoor
12 Feb 2021
Chief Technology Officer
Sold after exercise
15,438
$15.00
$231.57K
Farshad Ghasripoor
10 Feb 2021
Chief Technology Officer
Sold after exercise
4,719
$15.00
$70.79K
Farshad Ghasripoor
10 Feb 2021
Chief Technology Officer
Sold after exercise
5,388
$15.00
$80.82K
Farshad Ghasripoor
14 Jan 2021
Chief Technology Officer
Sold after exercise
4,682
$14.65
$68.58K
Rodney Clemente
14 Jan 2021
SVP, Water
Sold after exercise
4,553
$14.64
$66.67K
Farshad Ghasripoor
13 Jan 2021
Chief Technology Officer
Sold after exercise
8,738
$14.31
$125.00K
Farshad Ghasripoor
13 Jan 2021
Chief Technology Officer
Sold after exercise
15,818
$14.31
$226.28K
Farshad Ghasripoor
13 Jan 2021
Chief Technology Officer
Sold after exercise
19,220
$14.31
$274.95K
Rodney Clemente
13 Jan 2021
SVP, Water
Sold after exercise
8,350
$14.30
$119.44K
Rodney Clemente
13 Jan 2021
SVP, Water
Sold after exercise
29,097
$14.30
$416.19K
Robert Yu Lang Mao
11 Dec 2020
President and CEO
Sold after exercise
9,500
$12.22
$116.08K
Sherif Foda
9 Dec 2020
Director
Sold after exercise
16,726
$11.90
$199.06K
Arve Hanstveit
12 Mar 2020
Director
Sold after exercise
14,820
$7.22
$107.02K
Arve Hanstveit
11 Mar 2020
Director
Sold after exercise
14,818
$8.69
$128.70K
Arve Hanstveit
10 Mar 2020
Director
Sold after exercise
14,818
$8.61
$127.62K
Nocair Bensalah
21 Feb 2020
VP Operations
Sold after exercise
1,799
$11.02
$19.82K
Eric Siebert
21 Feb 2020
VP, Oil and Gas
Sold after exercise
1,900
$11.02
$20.94K
Nocair Bensalah
20 Feb 2020
VP Operations
Sold after exercise
16,042
$11.01
$176.69K
Nocair Bensalah
20 Feb 2020
VP Operations
Sold after exercise
1,124
$11.01
$12.38K
Eric Siebert
20 Feb 2020
VP, Oil and Gas
Sold after exercise
17,298
$11.01
$190.49K
Nocair Bensalah
19 Feb 2020
VP Operations
Sold after exercise
1,604
$11.00
$17.64K
Eric Siebert
19 Feb 2020
VP, Oil and Gas
Sold after exercise
1,100
$11.00
$12.10K
Eric Siebert
5 Feb 2020
VP, Oil and Gas
Sold after exercise
11,446
$10.53
$120.58K
Eric Siebert
17 Jan 2020
VP, Oil and Gas
Sold after exercise
2,200
$10.54
$23.20K
Eric Siebert
16 Jan 2020
VP, Oil and Gas
Sold after exercise
11,354
$10.51
$119.28K
Arve Hanstveit
3 Dec 2019
Director
Sold after exercise
39,787
$8.61
$342.67K
Arve Hanstveit
12 Nov 2019
Director
Sold after exercise
13,605
$9.22
$125.45K
Rodney Clemente
16 Jul 2019
VP, Water
Sold after exercise
36,946
$11.92
$440.40K
Emily Smith
16 Jul 2019
VP, Corporate Development
Sold after exercise
5,000
$12.00
$60.00K
Hans Peter Michelet
10 Jun 2019
Director
Sold after exercise
10,000
$10.06
$100.62K
Hans Peter Michelet
7 Jun 2019
Director
Sold after exercise
20,000
$9.92
$198.32K
Hans Peter Michelet
6 Jun 2019
Director
Sold after exercise
15,000
$9.90
$148.50K
Hans Peter Michelet
22 May 2019
Director
Sold after exercise
21,558
$10.21
$220.19K
Hans Peter Michelet
21 May 2019
Director
Sold after exercise
35,302
$10.36
$365.81K
Hans Peter Michelet
20 May 2019
Director
Sold after exercise
28,126
$10.45
$293.87K
Hans Peter Michelet
17 May 2019
Director
Sold after exercise
40,769
$10.49
$427.81K
Hans Peter Michelet
16 May 2019
Director
Sold after exercise
39,880
$10.85
$432.87K
Hans Peter Michelet
15 May 2019
Director
Sold after exercise
18,365
$11.00
$202.03K
Nocair Bensalah
6 May 2019
VP Operations
Sold after exercise
32,969
$11.00
$362.66K
Rodney Clemente
9 Apr 2019
VP, Water
Sold after exercise
292
$9.19
$2.68K
Lenox Sharon E Smith
3 Apr 2019
Corporate Controller and CAO
Sold after exercise
12,500
$9.01
$112.59K
Lenox Sharon E Smith
14 Mar 2019
Corporate Controller and CAO
Sold after exercise
12,500
$9.00
$112.50K
Rodney Clemente
14 Mar 2019
VP, Water
Sold after exercise
53,036
$8.85
$469.43K
Arve Hanstveit
13 Mar 2019
Director
Sold after exercise
100,000
$8.59
$858.73K
Arve Hanstveit
12 Mar 2019
Director
Sold after exercise
39,042
$8.28
$323.34K
Emily Smith
15 Feb 2019
VP, Corporate Development
Sold after exercise
10,000
$8.00
$80.04K
Arve Hanstveit
8 Nov 2018
Director
Sold after exercise
27,563
$9.15
$252.10K
Arve Hanstveit
7 Nov 2018
Director
Sold after exercise
18,145
$9.16
$166.15K
Nocair Bensalah
3 Oct 2018
VP of Operations
Sold after exercise
884
$8.79
$7.77K
Nocair Bensalah
2 Oct 2018
VP of Operations
Sold after exercise
45,956
$8.79
$403.96K
Nocair Bensalah
1 Oct 2018
VP of Operations
Sold after exercise
31,404
$8.77
$275.43K
Hans Peter Michelet
19 Jun 2018
Director
Sold after exercise
36,152
$8.12
$293.58K
Lenox Sharon E Smith
13 Dec 2017
Corp. Controller & CAO
Sold after exercise
2,000
$11.00
$22.00K
Andrew B Stroud Jr
30 Nov 2017
VP, Human Resources
Sold after exercise
7,117
$11.00
$78.29K
Show all 249 transactions →

What was left out

Form 4 filings counted 356
Amendments (4/A) skipped 27
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 13
Sales straight out of an exercise 104
Sales at will 108
Transactions with no price 0
Shares from compensation/vesting 11,184,407
Sales filed before the plan box existed 62
History held since 3 Jul 2008