Insider Transactions last 24 months for Energy Recovery, Inc. - NSDQ: ERII
Transactions
All
Buy
Sell
Option Exercise
Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Yeung William Chief Legal Officer 09/18/2025 DS Direct COM 15,454 $15.09 $233,139.04 97,369 Yeung William Chief Legal Officer 09/18/2025 AM Direct COM 15,454 $8.95 $138,313.30 112,823 Yeung William Chief Legal Officer 09/11/2025 DS Direct COM 33,554 $14.51 $486,868.54 97,369 Yeung William Chief Legal Officer 09/11/2025 AM Direct COM 30,877 $8.95 $276,349.15 130,923 Clemente Rodney SVP, Water 07/28/2025 DS Direct COM 5,387 $13.97 $75,256.39 100,765 Clemente Rodney SVP, Water 07/25/2025 DF Direct COM 2,320 $13.88 $32,201.60 106,152 Yeung William Chief Legal Officer 07/25/2025 DF Direct COM 1,989 $13.88 $27,607.32 100,046 Hanstveit Arve Director 06/12/2025 DS Direct COM 30,000 $12.68 $380,400.00 655,220 Hanstveit Arve Director 06/11/2025 DS Direct COM 20,000 $12.75 $255,000.00 685,220 Sabol Colin R Director 06/05/2025 AA Direct COM 12,038 $0.00 $0.00 26,397 Hanstveit Arve Director 06/05/2025 AA Direct COM 12,038 $0.00 $0.00 705,220 Chow Joan Kai Director 06/05/2025 AA Direct COM 12,038 $0.00 $0.00 34,022 Buehler Alexander J Director 06/05/2025 AA Direct COM 12,038 $0.00 $0.00 66,328 Tondreau Pamela L. Director 06/05/2025 AA Direct COM 14,847 $0.00 $0.00 55,890 Tondreau Pamela L. Director 05/14/2025 AP Direct COM 4,200 $12.28 $51,569.70 41,043 Moon David W President and CEO 05/13/2025 AP Indirect COM 4,200 $12.20 $51,240.00 36,950 Clemente Rodney SVP, Water 03/11/2025 DS Direct COM 1,843 $16.23 $29,911.89 108,472 Hanstveit Arve Director 03/11/2025 DS Direct COM 50,000 $16.34 $816,950.00 693,182 Clemente Rodney SVP, Water 03/10/2025 DF Direct COM 794 $16.37 $12,997.78 110,315 Yeung William Chief Legal Officer 03/10/2025 DF Direct COM 944 $16.37 $15,453.28 102,035 Ramanan Natarajan Chief Technology Officer 03/03/2025 AA Direct COM 26,455 $0.00 $0.00 26,455 Clemente Rodney SVP, Water 02/20/2025 DS Direct COM 21,444 $15.42 $330,709.37 111,109 Ghasripoor Farshad Chief Technology Officer 02/04/2025 AJ Indirect COM 65,000 $0.00 $0.00 70,230 Ghasripoor Farshad Chief Technology Officer 02/04/2025 DJ Direct COM 65,000 $0.00 $0.00 52,860 Ghasripoor Farshad Chief Technology Officer 02/03/2025 DF Direct COM 1,420 $14.34 $20,362.80 117,860
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Sabol Colin R Director 06/05/2025 AA Direct COM 12,038 $0.00 $0.00 26,397 Hanstveit Arve Director 06/05/2025 AA Direct COM 12,038 $0.00 $0.00 705,220 Chow Joan Kai Director 06/05/2025 AA Direct COM 12,038 $0.00 $0.00 34,022 Buehler Alexander J Director 06/05/2025 AA Direct COM 12,038 $0.00 $0.00 66,328 Tondreau Pamela L. Director 06/05/2025 AA Direct COM 14,847 $0.00 $0.00 55,890 Tondreau Pamela L. Director 05/14/2025 AP Direct COM 4,200 $12.28 $51,569.70 41,043 Moon David W President and CEO 05/13/2025 AP Indirect COM 4,200 $12.20 $51,240.00 36,950 Ramanan Natarajan Chief Technology Officer 03/03/2025 AA Direct COM 26,455 $0.00 $0.00 26,455 Ghasripoor Farshad Chief Technology Officer 02/04/2025 AJ Indirect COM 65,000 $0.00 $0.00 70,230 Mancini Michael S. Chief Financial Officer 01/23/2025 AA Direct COM 34,223 $0.00 $0.00 34,223 Clemente Rodney SVP, Water 01/23/2025 AA Direct COM 34,223 $0.00 $0.00 140,590 Moon David W President and CEO 01/23/2025 AA Direct COM 88,980 $0.00 $0.00 176,081 Yeung William Chief Legal Officer 01/23/2025 AA Direct COM 23,956 $0.00 $0.00 109,247 Moon David W President and CEO 08/05/2024 AP Indirect COM 3,000 $16.00 $48,009.00 32,750 Sabol Colin R Director 06/06/2024 AA Direct COM 11,127 $0.00 $0.00 14,359 Tondreau Pamela L. Director 06/06/2024 AA Direct COM 13,724 $0.00 $0.00 36,843 Buehler Alexander J Director 06/06/2024 AA Direct COM 11,127 $0.00 $0.00 34,449 Hanstveit Arve Director 06/06/2024 AA Direct COM 11,127 $0.00 $0.00 783,182 Chow Joan Kai Director 06/06/2024 AA Direct COM 11,127 $0.00 $0.00 21,984 Moon David W President and CEO 05/07/2024 AP Indirect COM 10,500 $13.46 $141,288.00 29,750 Moon David W President and CEO 02/27/2024 AP Indirect COM 10,750 $15.51 $166,732.50 19,250 Moon David W President and CEO 01/25/2024 AA Direct COM 80,445 $0.00 $0.00 98,910 Yeung William Chief Legal Officer 01/25/2024 AA Direct COM 39,542 $0.00 $0.00 92,250 Clemente Rodney SVP, Water 01/25/2024 AA Direct COM 69,925 $0.00 $0.00 147,588 Ghasripoor Farshad Chief Technology Officer 01/25/2024 AA Direct COM 42,450 $0.00 $0.00 146,024
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Yeung William Chief Legal Officer 09/18/2025 DS Direct COM 15,454 $15.09 $233,139.04 97,369 Yeung William Chief Legal Officer 09/11/2025 DS Direct COM 33,554 $14.51 $486,868.54 97,369 Clemente Rodney SVP, Water 07/28/2025 DS Direct COM 5,387 $13.97 $75,256.39 100,765 Clemente Rodney SVP, Water 07/25/2025 DF Direct COM 2,320 $13.88 $32,201.60 106,152 Yeung William Chief Legal Officer 07/25/2025 DF Direct COM 1,989 $13.88 $27,607.32 100,046 Hanstveit Arve Director 06/12/2025 DS Direct COM 30,000 $12.68 $380,400.00 655,220 Hanstveit Arve Director 06/11/2025 DS Direct COM 20,000 $12.75 $255,000.00 685,220 Clemente Rodney SVP, Water 03/11/2025 DS Direct COM 1,843 $16.23 $29,911.89 108,472 Hanstveit Arve Director 03/11/2025 DS Direct COM 50,000 $16.34 $816,950.00 693,182 Clemente Rodney SVP, Water 03/10/2025 DF Direct COM 794 $16.37 $12,997.78 110,315 Yeung William Chief Legal Officer 03/10/2025 DF Direct COM 944 $16.37 $15,453.28 102,035 Clemente Rodney SVP, Water 02/20/2025 DS Direct COM 21,444 $15.42 $330,709.37 111,109 Ghasripoor Farshad Chief Technology Officer 02/04/2025 DJ Direct COM 65,000 $0.00 $0.00 52,860 Ghasripoor Farshad Chief Technology Officer 02/03/2025 DF Direct COM 1,420 $14.34 $20,362.80 117,860 Yeung William Chief Legal Officer 02/03/2025 DF Direct COM 882 $14.34 $12,647.88 102,979 Clemente Rodney SVP, Water 02/03/2025 DF Direct COM 944 $14.34 $13,536.96 132,553 Clemente Rodney SVP, Water 01/31/2025 DF Direct COM 615 $14.56 $8,954.40 133,497 Ghasripoor Farshad Chief Technology Officer 01/31/2025 DF Direct COM 926 $14.56 $13,482.56 119,280 Yeung William Chief Legal Officer 01/31/2025 DF Direct COM 627 $14.56 $9,129.12 103,861 Clemente Rodney SVP, Water 01/30/2025 DF Direct COM 694 $14.33 $9,945.02 134,112 Ghasripoor Farshad Chief Technology Officer 01/30/2025 DF Direct COM 1,034 $14.33 $14,817.22 120,206 Yeung William Chief Legal Officer 01/30/2025 DF Direct COM 698 $14.33 $10,002.34 104,488 Clemente Rodney SVP, Water 01/27/2025 DF Direct COM 5,784 $14.40 $83,289.60 134,806 Ghasripoor Farshad Chief Technology Officer 01/27/2025 DF Direct COM 5,721 $14.40 $82,382.40 121,240 Yeung William Chief Legal Officer 01/27/2025 DF Direct COM 4,061 $14.40 $58,478.40 105,186
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Yeung William Chief Legal Officer 09/18/2025 AM Direct COM 15,454 $8.95 $138,313.30 112,823 Yeung William Chief Legal Officer 09/11/2025 AM Direct COM 30,877 $8.95 $276,349.15 130,923 Buehler Alexander J Director 08/19/2024 AM Direct COM 19,841 $2.92 $57,935.72 54,290 Mao Robert Yu Lang Director 05/23/2024 AM Direct COM 2,084 $7.79 $16,234.36 248,935 Mao Robert Yu Lang Director 05/23/2024 AM Direct COM 10,752 $7.79 $83,758.08 246,851 Mao Robert Yu Lang Director 05/22/2024 AM Direct COM 5,208 $7.79 $40,570.32 257,144 Mao Robert Yu Lang Director 05/22/2024 AM Direct COM 21,859 $7.79 $170,281.61 251,936 Mao Robert Yu Lang Director 03/04/2024 AM Direct COM 21,303 $9.98 $212,603.94 230,077 Mao Robert Yu Lang Director 03/04/2024 AM Direct COM 15,879 $8.49 $134,812.71 208,774 Mao Robert Yu Lang Director 03/04/2024 AM Direct COM 16,726 $7.71 $128,957.46 192,895 Mao Robert Yu Lang Director 03/04/2024 AM Direct COM 15,327 $8.60 $131,812.20 191,439 Mao Robert Yu Lang Director 03/04/2024 AM Direct COM 20,509 $2.92 $59,886.28 196,621 Mao Robert Yu Lang Director 03/01/2024 AM Direct COM 32,883 $2.92 $96,018.36 214,137 Mao Robert Yu Lang Director 03/01/2024 AM Direct COM 5,142 $3.53 $18,151.26 181,254 Mao Robert Yu Lang Director 02/29/2024 AM Direct COM 39,314 $3.53 $138,778.42 215,426 Mao Robert Yu Lang Director 11/08/2023 AM Direct COM 6,306 $13.96 $88,031.76 176,112 Mao Robert Yu Lang Director 11/08/2023 AM Direct COM 38,540 $7.79 $300,226.60 169,806 Mao Robert Yu Lang Director 11/08/2023 AM Direct COM 26,662 $7.79 $207,696.98 131,266 Mao Robert Yu Lang Director 11/07/2023 AM Direct COM 121,383 $13.96 $1,694,506.68 225,987 Mao Robert Yu Lang Director 11/07/2023 AM Direct COM 4,168 $7.79 $32,468.72 104,604 Mao Robert Yu Lang Director 11/07/2023 AM Direct COM 34,340 $7.79 $267,508.60 100,436 Mao Robert Yu Lang Director 11/06/2023 AM Direct COM 130,000 $7.79 $1,012,700.00 196,096
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Transaction Type Key A = Acquired, D = Disposed A = Grant, award or other acquisition pursuant to Rule 16b-3(d)
C = Conversion of derivative security |
D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) |
E = Expiration of short derivative position |
F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. |
G = Gift |
H = Expiration (or cancellation) of long derivative position with value received |
I = Discretionary transaction in accordance with Rule 16b-3(f) |
J = Other |
L = Small acquisition under Rule 16a-6 |
M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 |
O = Exercise of out-of-the-money derivative security |
P = Open market or private purchase |
S = Open market or private sale |
U = Disposition pursuant to a tender of shares in a change of control transaction |
W = Acquisition or disposition by will or the laws of descent and distribution |
X = Exercise of in-the-money or at-the-money derivative security |
Z = Deposit into or withdrawal from voting trust
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