Energy Recovery Inc (ERII)

Energy Recovery Inc. experienced four insider trading transactions over the past ninety days, totaling approximately $127,287 in sales. These activities occurred following the August 5th earnings report, which showed a 14.29% EPS beat. The stock price has declined 22.7% during this period, reflecting broader market volatility for the industrial firm.
Ticker: ERII Exchange: NSM


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Energy Recovery Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
4.1
Yeung William Chief Legal Officer Officer
Transaction date
Planned sale
Price
59.83
Quantity 30,327 -28.7%
Value US$3,787,146
3.7
Clemente Rodney SVP, Water Officer
Transaction date
Planned sale
Price
407.68
Quantity 90,903 +49.9%
Value US$3,155,501
4.1
Yeung William Officer Officer
Transaction date
Proposed sale
Price
405.56
Quantity 81,710
Value US$3,585,583
3.7
Clemente Rodney Officer Officer
Transaction date
Proposed sale
Price
8.56
Quantity 5,387
Value US$46,113
2.6
Sabol Colin R Non-Executive Director
Transaction date
Purchase
Price
8.88
Quantity 11,180 +25.1%
Value US$99,267
2.0
BUEHLER ALEXANDER J Interim President and CEO Executive Director
Transaction date
Sale
Price
8.71
Quantity 14,900 -18.2%
Value US$129,779
2.0
BUEHLER ALEXANDER J Officer; Director Executive Director
Transaction date
Proposed sale
Price
8.83
Quantity 14,900
Value US$131,556
2.3
TONDREAU PAMELA L. Non-Executive Director
Transaction date
Purchase
Price
8.34
Quantity 20,000 +115.2%
Value US$166,840
3.2
Hanstveit Arve Non-Executive Director
Transaction date
Sale
Price
10.29
Quantity 2,419 -0.6%
Value US$24,892
3.2
Hanstveit Arve Non-Executive Director
Transaction date
Sale
Price
10.14
Quantity 165,292 -30.0%
Value US$1,676,061
3.2
Hanstveit Arve Non-Executive Director
Transaction date
Sale
Price
10.96
Quantity 25,000 -4.3%
Value US$273,975
3.2
Hanstveit Arve Director Non-Executive Director
Transaction date
Proposed sale
Price
10.95
Quantity 25,000
Value US$273,718
3.2
Hanstveit Arve Non-Executive Director
Transaction date
Sale
Price
10.62
Quantity 11,582 -2.0%
Value US$122,943
3.2
Hanstveit Arve Director Non-Executive Director
Transaction date
Proposed sale
Price
10.60
Quantity 11,582
Value US$122,788
3.2
Hanstveit Arve Non-Executive Director
Transaction date
Sale
Price
10.71
Quantity 38,418 -6.1%
Value US$411,457
2.9
Ramanan Natarajan Chief Technology Officer Officer
Transaction date
Sale
Price
10.57
Quantity 272 -0.5%
Value US$2,875
2.9
Ramanan Natarajan Officer Officer
Transaction date
Proposed sale
Price
10.57
Quantity 272
Value US$2,875
3.7
Clemente Rodney SVP, Water Officer
Transaction date
Planned sale
Price
10.61
Quantity 20,568 -15.1%
Value US$218,309
3.7
Clemente Rodney Officer Officer
Transaction date
Proposed sale
Price
10.40
Quantity 20,568
Value US$213,866
4.1
Yeung William Chief Legal Officer Officer
Transaction date
Planned sale
Price
15.14
Quantity 646 -0.8%
Value US$9,780
4.1
Yeung William Officer Officer
Transaction date
Proposed sale
Price
15.14
Quantity 646
Value US$9,780
3.7
Clemente Rodney SVP, Water Officer
Transaction date
Planned sale
Price
14.59
Quantity 724 -0.8%
Value US$10,563
4.1
Yeung William Chief Legal Officer Officer
Transaction date
Planned sale
Price
14.59
Quantity 890 -1.1%
Value US$12,985
4.1
Yeung William Chief Legal Officer Officer
Transaction date
Planned sale
Price
14.46
Quantity 729 -0.9%
Value US$10,541
4.1
Yeung William Chief Legal Officer Officer
Transaction date
Planned sale
Price
14.46
Quantity 729 -0.9%
Value US$10,541
4.1
Yeung William Officer Officer
Transaction date
Proposed sale
Price
14.46
Quantity 729
Value US$10,541
4.1
Yeung William Chief Legal Officer Officer
Transaction date
Planned sale
Price
14.55
Quantity 7,271 -7.5%
Value US$105,793
4.1
Yeung William Officer Officer
Transaction date
Proposed sale
Price
14.55
Quantity 7,271
Value US$105,793
2.3
Moon David W Officer; Director Executive Director
Transaction date
Proposed sale
Price
14.45
Quantity 10,698
Value US$154,550
3.7
Clemente Rodney Officer Officer
Transaction date
Proposed sale
Price
14.44
Quantity 8,315
Value US$120,093
Mancini Michael S. Officer Officer
Transaction date
Proposed sale
Price
14.42
Quantity 3,486
Value US$50,277
Hostetler Matthew Officer Officer
Transaction date
Proposed sale
Price
14.44
Quantity 2,438
Value US$35,200
4.1
Yeung William Officer Officer
Transaction date
Proposed sale
Price
14.44
Quantity 6,181
Value US$89,263
3.2
Hanstveit Arve Non-Executive Director
Transaction date
Sale
Price
14.71
Quantity 15,000 -2.3%
Value US$220,605
3.2
Hanstveit Arve Director Non-Executive Director
Transaction date
Proposed sale
Price
14.69
Quantity 15,000
Value US$220,295
3.2
Hanstveit Arve Non-Executive Director
Transaction date
Sale
Price
14.97
Quantity 15,000 -2.3%
Value US$224,505
3.2
Hanstveit Arve Director Non-Executive Director
Transaction date
Proposed sale
Price
14.95
Quantity 15,000
Value US$224,240
4.1
Yeung William Chief Legal Officer Officer
Transaction date
Planned sale
Price
18.00
Quantity 3,530 -3.5%
Value US$63,540
4.1
Yeung William Chief Legal Officer Officer
Transaction date
Planned sale
Price
18.00
Quantity 5,638 -5.5%
Value US$101,484
4.1
Yeung William Officer Officer
Transaction date
Proposed sale
Price
18.00
Quantity 9,168
Value US$165,024
4.1
Yeung William Chief Legal Officer Officer
Transaction date
Planned sale
Price
17.50
Quantity 3,530 -3.5%
Value US$61,775
4.1
Yeung William Officer Officer
Transaction date
Proposed sale
Price
17.50
Quantity 3,530
Value US$61,775
4.1
Yeung William Chief Legal Officer Officer
Transaction date
Planned sale
Price
17.00
Quantity 3,530 -3.5%
Value US$60,010
4.1
Yeung William Officer Officer
Transaction date
Proposed sale
Price
17.00
Quantity 3,530
Value US$60,010
4.1
Yeung William Chief Legal Officer Officer
Transaction date
Planned sale
Price
16.50
Quantity 3,530 -3.5%
Value US$58,245
4.1
Yeung William Officer Officer
Transaction date
Proposed sale
Price
16.50
Quantity 3,530
Value US$58,245
4.1
Yeung William Chief Legal Officer Officer
Transaction date
Planned sale
Price
16.00
Quantity 2,529 -2.5%
Value US$40,464
4.1
Yeung William Chief Legal Officer Officer
Transaction date
Planned sale
Price
16.00
Quantity 1,038 -1.1%
Value US$16,608
4.1
Yeung William Officer Officer
Transaction date
Proposed sale
Price
16.00
Quantity 3,567
Value US$57,072
4.1
Yeung William Chief Legal Officer Officer
Transaction date
Planned sale
Price
15.09
Quantity 15,454 -13.7%
Value US$233,139
4.1
Yeung William Officer Officer
Transaction date
Proposed sale
Price
15.09
Quantity 15,454
Value US$233,145
4.1
Yeung William Chief Legal Officer Officer
Transaction date
Planned sale
Price
14.51
Quantity 33,554 -25.6%
Value US$486,869
4.1
Yeung William Officer Officer
Transaction date
Proposed sale
Price
14.52
Quantity 33,554
Value US$487,115
3.7
Clemente Rodney SVP, Water Officer
Transaction date
Planned sale
Price
13.97
Quantity 5,387 -5.1%
Value US$75,256
3.7
Clemente Rodney Officer Officer
Transaction date
Proposed sale
Price
13.97
Quantity 5,387
Value US$75,256
3.2
Hanstveit Arve Non-Executive Director
Transaction date
Sale
Price
12.68
Quantity 30,000 -4.4%
Value US$380,400
3.2
Hanstveit Arve Director Non-Executive Director
Transaction date
Proposed sale
Price
12.67
Quantity 30,000
Value US$379,980
3.2
Hanstveit Arve Non-Executive Director
Transaction date
Sale
Price
12.75
Quantity 20,000 -2.8%
Value US$255,000
3.2
Hanstveit Arve Director Non-Executive Director
Transaction date
Proposed sale
Price
12.74
Quantity 20,000
Value US$254,732
2.3
TONDREAU PAMELA L. Non-Executive Director
Transaction date
Purchase
Price
12.28
Quantity 4,200 +11.4%
Value US$51,570
2.3
Moon David W President and CEO Executive Director
Transaction date
Purchase
Price
12.20
Quantity 4,200 +12.8%
Value US$51,240
4.0
FARSHAD GHASRIPOOR Former Officer Officer
Transaction date
Proposed sale
Price
14.90
Quantity 12,624
Value US$188,110
4.0
Ghasripoor Farshad Former Officer Officer
Transaction date
Proposed sale
Price
16.20
Quantity 47,989
Value US$777,226
3.2
Hanstveit Arve Non-Executive Director
Transaction date
Sale
Price
16.34
Quantity 50,000 -6.7%
Value US$816,950
3.7
Clemente Rodney SVP, Water Officer
Transaction date
Planned sale
Price
16.23
Quantity 1,843 -1.7%
Value US$29,912
3.7
Clemente Rodney Officer Officer
Transaction date
Proposed sale
Price
16.23
Quantity 1,843
Value US$29,912
3.2
Hanstveit Arve Director Non-Executive Director
Transaction date
Proposed sale
Price
16.32
Quantity 50,000
Value US$816,243
3.7
Clemente Rodney SVP, Water Officer
Transaction date
Planned sale
Price
15.42
Quantity 21,444 -16.2%
Value US$330,709
3.7
Clemente Rodney Officer Officer
Transaction date
Proposed sale
Price
15.54
Quantity 21,444
Value US$333,240
3.2
Hanstveit Arve Non-Executive Director
Transaction date
Sale
Price
16.87
Quantity 20,000 -2.6%
Value US$337,400
3.2
Hanstveit Arve Director Non-Executive Director
Transaction date
Proposed sale
Price
16.85
Quantity 20,000
Value US$337,058
3.7
Clemente Rodney Officer Officer
Transaction date
Proposed sale
Price
20.06
Quantity 4,207
Value US$84,392
3.7
Clemente Rodney SVP, Water Officer
Transaction date
Planned sale
Price
20.06
Quantity 4,207 -3.8%
Value US$84,392
3.7
Clemente Rodney SVP, Water Officer
Transaction date
Planned sale
Price
20.15
Quantity 3,631 -3.2%
Value US$73,176
3.7
Clemente Rodney Officer Officer
Transaction date
Proposed sale
Price
20.15
Quantity 3,631
Value US$73,176
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-07-29 2026-07-28 PlS Planned sale

Chief Legal Officer

Officer
30,327 -28.7%
59.83
US$3,787,146
30,327 -28.7% 59.83 US$3,787,146
2026-07-29 2026-07-28 PlS Planned sale

SVP, Water

Officer
90,903 +49.9%
407.68
US$3,155,501
90,903 +49.9% 407.68 US$3,155,501
2026-07-28 2026-07-28 PrS Proposed sale

Officer

Officer
81,710
405.56
US$3,585,583
81,710 405.56 US$3,585,583
2026-07-28 2026-07-28 PrS Proposed sale

Officer

Officer
5,387
8.56
US$46,113
5,387 8.56 US$46,113
2026-06-17 2026-06-15 B Purchase Non-Executive Director
11,180 +25.1%
8.88
US$99,267
11,180 +25.1% 8.88 US$99,267
2026-06-17 2026-06-15 S Sale

Interim President and CEO

Executive Director
14,900 -18.2%
8.71
US$129,779
14,900 -18.2% 8.71 US$129,779
2026-06-15 2026-06-15 PrS Proposed sale

Officer; Director

Executive Director
14,900
8.83
US$131,556
14,900 8.83 US$131,556
2026-05-15 2026-05-13 B Purchase Non-Executive Director
20,000 +115.2%
8.34
US$166,840
20,000 +115.2% 8.34 US$166,840
2026-04-08 2026-04-06 S Sale Non-Executive Director
2,419 -0.6%
10.29
US$24,892
2,419 -0.6% 10.29 US$24,892
2026-04-06 2026-04-02 S Sale Non-Executive Director
165,292 -30.0%
10.14
US$1,676,061
165,292 -30.0% 10.14 US$1,676,061
2026-03-11 2026-03-10 S Sale Non-Executive Director
25,000 -4.3%
10.96
US$273,975
25,000 -4.3% 10.96 US$273,975
2026-03-10 2026-03-10 PrS Proposed sale

Director

Non-Executive Director
25,000
10.95
US$273,718
25,000 10.95 US$273,718
2026-03-09 2026-03-06 S Sale Non-Executive Director
11,582 -2.0%
10.62
US$122,943
11,582 -2.0% 10.62 US$122,943
2026-03-06 2026-03-06 PrS Proposed sale

Director

Non-Executive Director
11,582
10.60
US$122,788
11,582 10.60 US$122,788
2026-03-09 2026-03-05 S Sale Non-Executive Director
38,418 -6.1%
10.71
US$411,457
38,418 -6.1% 10.71 US$411,457
2026-03-06 2026-03-05 S Sale

Chief Technology Officer

Officer
272 -0.5%
10.57
US$2,875
272 -0.5% 10.57 US$2,875
2026-03-05 2026-03-05 PrS Proposed sale

Officer

Officer
272
10.57
US$2,875
272 10.57 US$2,875
2026-03-06 2026-03-04 PlS Planned sale

SVP, Water

Officer
20,568 -15.1%
10.61
US$218,309
20,568 -15.1% 10.61 US$218,309
2026-03-04 2026-03-04 PrS Proposed sale

Officer

Officer
20,568
10.40
US$213,866
20,568 10.40 US$213,866
2026-02-09 2026-02-06 PlS Planned sale

Chief Legal Officer

Officer
646 -0.8%
15.14
US$9,780
646 -0.8% 15.14 US$9,780
2026-02-06 2026-02-06 PrS Proposed sale

Officer

Officer
646
15.14
US$9,780
646 15.14 US$9,780
2026-02-09 2026-02-05 PlS Planned sale

SVP, Water

Officer
724 -0.8%
14.59
US$10,563
724 -0.8% 14.59 US$10,563
2026-02-09 2026-02-05 PlS Planned sale

Chief Legal Officer

Officer
890 -1.1%
14.59
US$12,985
890 -1.1% 14.59 US$12,985
2026-02-03 2026-02-02 PlS Planned sale

Chief Legal Officer

Officer
729 -0.9%
14.46
US$10,541
729 -0.9% 14.46 US$10,541
2026-02-03 2026-02-02 PlS Planned sale

Chief Legal Officer

Officer
729 -0.9%
14.46
US$10,541
729 -0.9% 14.46 US$10,541
2026-02-02 2026-02-02 PrS Proposed sale

Officer

Officer
729
14.46
US$10,541
729 14.46 US$10,541
2026-02-03 2026-01-28 PlS Planned sale

Chief Legal Officer

Officer
7,271 -7.5%
14.55
US$105,793
7,271 -7.5% 14.55 US$105,793
2026-01-28 2026-01-28 PrS Proposed sale

Officer

Officer
7,271
14.55
US$105,793
7,271 14.55 US$105,793
2026-01-27 2026-01-27 PrS Proposed sale

Officer; Director

Executive Director
10,698
14.45
US$154,550
10,698 14.45 US$154,550
2026-01-27 2026-01-27 PrS Proposed sale

Officer

Officer
8,315
14.44
US$120,093
8,315 14.44 US$120,093
2026-01-27 2026-01-27 PrS Proposed sale

Officer

Officer
3,486
14.42
US$50,277
3,486 14.42 US$50,277
2026-01-27 2026-01-27 PrS Proposed sale

Officer

Officer
2,438
14.44
US$35,200
2,438 14.44 US$35,200
2026-01-27 2026-01-27 PrS Proposed sale

Officer

Officer
6,181
14.44
US$89,263
6,181 14.44 US$89,263
2025-12-08 2025-12-05 S Sale Non-Executive Director
15,000 -2.3%
14.71
US$220,605
15,000 -2.3% 14.71 US$220,605
2025-12-05 2025-12-05 PrS Proposed sale

Director

Non-Executive Director
15,000
14.69
US$220,295
15,000 14.69 US$220,295
2025-12-08 2025-12-04 S Sale Non-Executive Director
15,000 -2.3%
14.97
US$224,505
15,000 -2.3% 14.97 US$224,505
2025-12-04 2025-12-04 PrS Proposed sale

Director

Non-Executive Director
15,000
14.95
US$224,240
15,000 14.95 US$224,240
2025-10-27 2025-10-24 PlS Planned sale

Chief Legal Officer

Officer
3,530 -3.5%
18.00
US$63,540
3,530 -3.5% 18.00 US$63,540
2025-10-27 2025-10-24 PlS Planned sale

Chief Legal Officer

Officer
5,638 -5.5%
18.00
US$101,484
5,638 -5.5% 18.00 US$101,484
2025-10-24 2025-10-24 PrS Proposed sale

Officer

Officer
9,168
18.00
US$165,024
9,168 18.00 US$165,024
2025-10-27 2025-10-23 PlS Planned sale

Chief Legal Officer

Officer
3,530 -3.5%
17.50
US$61,775
3,530 -3.5% 17.50 US$61,775
2025-10-23 2025-10-23 PrS Proposed sale

Officer

Officer
3,530
17.50
US$61,775
3,530 17.50 US$61,775
2025-10-22 2025-10-20 PlS Planned sale

Chief Legal Officer

Officer
3,530 -3.5%
17.00
US$60,010
3,530 -3.5% 17.00 US$60,010
2025-10-20 2025-10-20 PrS Proposed sale

Officer

Officer
3,530
17.00
US$60,010
3,530 17.00 US$60,010
2025-10-17 2025-10-16 PlS Planned sale

Chief Legal Officer

Officer
3,530 -3.5%
16.50
US$58,245
3,530 -3.5% 16.50 US$58,245
2025-10-16 2025-10-16 PrS Proposed sale

Officer

Officer
3,530
16.50
US$58,245
3,530 16.50 US$58,245
2025-10-07 2025-10-03 PlS Planned sale

Chief Legal Officer

Officer
2,529 -2.5%
16.00
US$40,464
2,529 -2.5% 16.00 US$40,464
2025-10-07 2025-10-03 PlS Planned sale

Chief Legal Officer

Officer
1,038 -1.1%
16.00
US$16,608
1,038 -1.1% 16.00 US$16,608
2025-10-03 2025-10-03 PrS Proposed sale

Officer

Officer
3,567
16.00
US$57,072
3,567 16.00 US$57,072
2025-09-22 2025-09-18 PlS Planned sale

Chief Legal Officer

Officer
15,454 -13.7%
15.09
US$233,139
15,454 -13.7% 15.09 US$233,139
2025-09-18 2025-09-18 PrS Proposed sale

Officer

Officer
15,454
15.09
US$233,145
15,454 15.09 US$233,145
2025-09-15 2025-09-11 PlS Planned sale

Chief Legal Officer

Officer
33,554 -25.6%
14.51
US$486,869
33,554 -25.6% 14.51 US$486,869
2025-09-11 2025-09-11 PrS Proposed sale

Officer

Officer
33,554
14.52
US$487,115
33,554 14.52 US$487,115
2025-07-29 2025-07-28 PlS Planned sale

SVP, Water

Officer
5,387 -5.1%
13.97
US$75,256
5,387 -5.1% 13.97 US$75,256
2025-07-28 2025-07-28 PrS Proposed sale

Officer

Officer
5,387
13.97
US$75,256
5,387 13.97 US$75,256
2025-06-13 2025-06-12 S Sale Non-Executive Director
30,000 -4.4%
12.68
US$380,400
30,000 -4.4% 12.68 US$380,400
2025-06-12 2025-06-12 PrS Proposed sale

Director

Non-Executive Director
30,000
12.67
US$379,980
30,000 12.67 US$379,980
2025-06-13 2025-06-11 S Sale Non-Executive Director
20,000 -2.8%
12.75
US$255,000
20,000 -2.8% 12.75 US$255,000
2025-06-11 2025-06-11 PrS Proposed sale

Director

Non-Executive Director
20,000
12.74
US$254,732
20,000 12.74 US$254,732
2025-05-15 2025-05-14 B Purchase Non-Executive Director
4,200 +11.4%
12.28
US$51,570
4,200 +11.4% 12.28 US$51,570
2025-05-15 2025-05-13 B Purchase

President and CEO

Executive Director
4,200 +12.8%
12.20
US$51,240
4,200 +12.8% 12.20 US$51,240
2025-04-25 2025-04-24 PrS Proposed sale

Former Officer

Officer
12,624
14.90
US$188,110
12,624 14.90 US$188,110
2025-03-17 2025-03-17 PrS Proposed sale

Former Officer

Officer
47,989
16.20
US$777,226
47,989 16.20 US$777,226
2025-03-13 2025-03-11 S Sale Non-Executive Director
50,000 -6.7%
16.34
US$816,950
50,000 -6.7% 16.34 US$816,950
2025-03-12 2025-03-11 PlS Planned sale

SVP, Water

Officer
1,843 -1.7%
16.23
US$29,912
1,843 -1.7% 16.23 US$29,912
2025-03-11 2025-03-11 PrS Proposed sale

Officer

Officer
1,843
16.23
US$29,912
1,843 16.23 US$29,912
2025-03-11 2025-03-11 PrS Proposed sale

Director

Non-Executive Director
50,000
16.32
US$816,243
50,000 16.32 US$816,243
2025-02-24 2025-02-20 PlS Planned sale

SVP, Water

Officer
21,444 -16.2%
15.42
US$330,709
21,444 -16.2% 15.42 US$330,709
2025-02-20 2025-02-20 PrS Proposed sale

Officer

Officer
21,444
15.54
US$333,240
21,444 15.54 US$333,240
2024-12-17 2024-12-11 S Sale Non-Executive Director
20,000 -2.6%
16.87
US$337,400
20,000 -2.6% 16.87 US$337,400
2024-12-11 2024-12-11 PrS Proposed sale

Director

Non-Executive Director
20,000
16.85
US$337,058
20,000 16.85 US$337,058
2024-11-12 2024-11-11 PrS Proposed sale

Officer

Officer
4,207
20.06
US$84,392
4,207 20.06 US$84,392
2024-11-12 2024-11-11 PlS Planned sale

SVP, Water

Officer
4,207 -3.8%
20.06
US$84,392
4,207 -3.8% 20.06 US$84,392
2024-11-12 2024-11-08 PlS Planned sale

SVP, Water

Officer
3,631 -3.2%
20.15
US$73,176
3,631 -3.2% 20.15 US$73,176
2024-11-08 2024-11-08 PrS Proposed sale

Officer

Officer
3,631
20.15
US$73,176
3,631 20.15 US$73,176