Latest Insider Transactions at Energy Recovery, Inc. (ERII)
This section provides a real-time view of insider transactions for Energy Recovery, Inc. (ERII). The data is sourced from Form 4 filings with the SEC, which are filed by insiders of Energy Recovery, Inc. to disclose their transactions in the company's securities. By reviewing this information, investors can gain insights into the trading activity of Energy Recovery, Inc.'s insiders and make more informed investment decisions.
Insider Transaction List
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 05
2025
|
Arve Hanstveit Director |
SELL
Open market or private sale
|
Direct |
15,000
-2.34%
|
$210,000
$14.71 P/Share
|
|
Dec 04
2025
|
Arve Hanstveit Director |
SELL
Open market or private sale
|
Direct |
15,000
-2.29%
|
$210,000
$14.97 P/Share
|
|
Oct 24
2025
|
William Yeung Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
9,168
-4.49%
|
$165,024
$18.0 P/Share
|
|
Oct 24
2025
|
William Yeung Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
9,168
+4.28%
|
$73,344
$8.85 P/Share
|
|
Oct 23
2025
|
William Yeung Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
3,530
-3.5%
|
$60,010
$17.5 P/Share
|
|
Oct 23
2025
|
William Yeung Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
3,530
+3.38%
|
$24,710
$7.5 P/Share
|
|
Oct 20
2025
|
William Yeung Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
3,530
-3.5%
|
$60,010
$17.0 P/Share
|
|
Oct 20
2025
|
William Yeung Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
3,530
+3.38%
|
$24,710
$7.5 P/Share
|
|
Oct 16
2025
|
William Yeung Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
3,530
-3.5%
|
$56,480
$16.5 P/Share
|
|
Oct 16
2025
|
William Yeung Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
3,530
+3.38%
|
$24,710
$7.5 P/Share
|
|
Oct 03
2025
|
William Yeung Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
3,567
-1.79%
|
$57,072
$16.0 P/Share
|
|
Oct 03
2025
|
William Yeung Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
3,567
+1.76%
|
$24,969
$7.5 P/Share
|
|
Sep 18
2025
|
William Yeung Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
15,454
-13.7%
|
$231,810
$15.09 P/Share
|
|
Sep 18
2025
|
William Yeung Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
15,454
+12.05%
|
$123,632
$8.95 P/Share
|
|
Sep 11
2025
|
William Yeung Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
33,554
-25.63%
|
$469,756
$14.51 P/Share
|
|
Sep 11
2025
|
William Yeung Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
30,877
+19.08%
|
$247,016
$8.95 P/Share
|
|
Jul 28
2025
|
Rodney Clemente SVP, Water |
SELL
Open market or private sale
|
Direct |
5,387
-5.07%
|
$70,031
$13.97 P/Share
|
|
Jul 25
2025
|
William Yeung Chief Legal Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,989
-1.95%
|
$25,857
$13.88 P/Share
|
|
Jul 25
2025
|
Rodney Clemente SVP, Water |
SELL
Payment of exercise price or tax liability
|
Direct |
2,320
-2.14%
|
$30,160
$13.88 P/Share
|
|
Jun 12
2025
|
Arve Hanstveit Director |
SELL
Open market or private sale
|
Direct |
30,000
-4.38%
|
$360,000
$12.68 P/Share
|
|
Jun 11
2025
|
Arve Hanstveit Director |
SELL
Open market or private sale
|
Direct |
20,000
-2.84%
|
$240,000
$12.75 P/Share
|
|
Jun 05
2025
|
Joan Kai Chow Director |
BUY
Grant, award, or other acquisition
|
Direct |
12,038
+26.14%
|
-
|
|
Jun 05
2025
|
Alexander J Buehler Director |
BUY
Grant, award, or other acquisition
|
Direct |
12,038
+15.36%
|
-
|
|
Jun 05
2025
|
Pamela L. Tondreau Director |
BUY
Grant, award, or other acquisition
|
Direct |
14,847
+20.99%
|
-
|
|
Jun 05
2025
|
Colin R Sabol Director |
BUY
Grant, award, or other acquisition
|
Direct |
12,038
+31.32%
|
-
|
|
Jun 05
2025
|
Arve Hanstveit Director |
BUY
Grant, award, or other acquisition
|
Direct |
12,038
+1.68%
|
-
|
|
May 14
2025
|
Pamela L. Tondreau Director |
BUY
Open market or private purchase
|
Direct |
4,200
+9.28%
|
$50,400
$12.28 P/Share
|
|
May 13
2025
|
David W Moon President and CEO |
BUY
Open market or private purchase
|
Indirect |
4,200
+10.21%
|
$50,400
$12.2 P/Share
|
|
Mar 11
2025
|
Arve Hanstveit Director |
SELL
Open market or private sale
|
Direct |
50,000
-6.73%
|
$800,000
$16.34 P/Share
|
|
Mar 11
2025
|
Rodney Clemente SVP, Water |
SELL
Open market or private sale
|
Direct |
1,843
-1.67%
|
$29,488
$16.23 P/Share
|
|
Mar 10
2025
|
William Yeung Chief Legal Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
944
-0.92%
|
$15,104
$16.37 P/Share
|
|
Mar 10
2025
|
Rodney Clemente SVP, Water |
SELL
Payment of exercise price or tax liability
|
Direct |
794
-0.71%
|
$12,704
$16.37 P/Share
|
|
Mar 03
2025
|
Natarajan Ramanan Chief Technology Officer |
BUY
Grant, award, or other acquisition
|
Direct |
26,455
+50.0%
|
-
|
|
Feb 20
2025
|
Rodney Clemente SVP, Water |
SELL
Open market or private sale
|
Direct |
21,444
-16.18%
|
$321,660
$15.42 P/Share
|
|
Feb 04
2025
|
Farshad Ghasripoor Chief Technology Officer |
BUY
Other acquisition or disposition
|
Indirect |
65,000
+48.07%
|
-
|
|
Feb 04
2025
|
Farshad Ghasripoor Chief Technology Officer |
SELL
Other acquisition or disposition
|
Direct |
65,000
-55.15%
|
-
|
|
Feb 03
2025
|
William Yeung Chief Legal Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
882
-0.85%
|
$12,348
$14.34 P/Share
|
|
Feb 03
2025
|
Rodney Clemente SVP, Water |
SELL
Payment of exercise price or tax liability
|
Direct |
944
-0.71%
|
$13,216
$14.34 P/Share
|
|
Feb 03
2025
|
Farshad Ghasripoor Chief Technology Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,420
-1.19%
|
$19,880
$14.34 P/Share
|
|
Jan 31
2025
|
Farshad Ghasripoor Chief Technology Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
926
-0.77%
|
$12,964
$14.56 P/Share
|
|
Jan 31
2025
|
William Yeung Chief Legal Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
627
-0.6%
|
$8,778
$14.56 P/Share
|
|
Jan 31
2025
|
Rodney Clemente SVP, Water |
SELL
Payment of exercise price or tax liability
|
Direct |
615
-0.46%
|
$8,610
$14.56 P/Share
|
|
Jan 30
2025
|
Farshad Ghasripoor Chief Technology Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,034
-0.85%
|
$14,476
$14.33 P/Share
|
|
Jan 30
2025
|
William Yeung Chief Legal Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
698
-0.66%
|
$9,772
$14.33 P/Share
|
|
Jan 30
2025
|
Rodney Clemente SVP, Water |
SELL
Payment of exercise price or tax liability
|
Direct |
694
-0.51%
|
$9,716
$14.33 P/Share
|
|
Jan 27
2025
|
David W Moon President and CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
7,664
-4.35%
|
$107,296
$14.4 P/Share
|
|
Jan 27
2025
|
Rodney Clemente SVP, Water |
SELL
Payment of exercise price or tax liability
|
Direct |
5,784
-4.11%
|
$80,976
$14.4 P/Share
|
|
Jan 27
2025
|
Farshad Ghasripoor Chief Technology Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
5,721
-4.51%
|
$80,094
$14.4 P/Share
|
|
Jan 27
2025
|
William Yeung Chief Legal Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
4,061
-3.72%
|
$56,854
$14.4 P/Share
|
|
Jan 23
2025
|
David W Moon President and CEO |
BUY
Grant, award, or other acquisition
|
Direct |
88,980
+33.57%
|
-
|