Energy Recovery, Inc.
Total Trades
83
Buys
8
Sells
59
Largest Trade
N/A
Insiders
13
Institutional Funds
154
Inst. Value
$1M+
Activist Filings
20
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Yeung William | Chief Legal Officer | SELL | $15K–$50K | 2K | $14.82 | Feb 9, 2026 |
| Clemente Rodney | SVP, Water | SELL | $1K–$15K | 724 | $14.59 | Feb 9, 2026 |
| Yeung William | Chief Legal Officer | SELL | $100K–$500K | 8K | $14.54 | Feb 3, 2026 |
| Hanstveit Arve | Director | SELL | $100K–$500K | 30K | $14.84 | Dec 8, 2025 |
| Yeung William | Chief Legal Officer | SELL | $100K–$500K | 13K | $17.86 | Oct 27, 2025 |
| Yeung William | Chief Legal Officer | EXERCISE | $100K–$500K | 13K | $8.69 | Oct 27, 2025 |
| Yeung William | Chief Legal Officer | EXERCISE | $15K–$50K | 4K | $7.50 | Oct 22, 2025 |
| Yeung William | Chief Legal Officer | SELL | $50K–$100K | 4K | $17.00 | Oct 22, 2025 |
| Yeung William | Chief Legal Officer | SELL | $100K–$500K | 15K | $15.09 | Sep 22, 2025 |
| Yeung William | Chief Legal Officer | EXERCISE | $100K–$500K | 15K | $8.95 | Sep 22, 2025 |
| Yeung William | Chief Legal Officer | EXERCISE | $100K–$500K | 31K | $8.95 | Sep 15, 2025 |
| Yeung William | Chief Legal Officer | SELL | $100K–$500K | 34K | $14.51 | Sep 15, 2025 |
| Clemente Rodney | SVP, Water | SELL | $50K–$100K | 5K | $13.97 | Jul 29, 2025 |
| Hanstveit Arve | Director | SELL | $500K+ | 50K | $12.71 | Jun 13, 2025 |
| Moon David W | President and CEO | BUY | $50K–$100K | 4K | $12.20 | May 15, 2025 |
| TONDREAU PAMELA L. | Director | BUY | $50K–$100K | 4K | $12.28 | May 15, 2025 |
| Hanstveit Arve | Director | SELL | $500K+ | 50K | $16.34 | Mar 13, 2025 |
| Clemente Rodney | SVP, Water | SELL | $15K–$50K | 2K | $16.23 | Mar 12, 2025 |
| Clemente Rodney | SVP, Water | SELL | $100K–$500K | 21K | $15.42 | Feb 24, 2025 |
| Clemente Rodney | SVP, Water | SELL | $500K+ | 27K | $20.03 | Nov 12, 2024 |
| Ghasripoor Farshad | CTO | SELL | $100K–$500K | 11K | $17.97 | Oct 30, 2024 |
| Clemente Rodney | SVP, Water | SELL | $100K–$500K | 7K | $17.98 | Oct 30, 2024 |
| Moon David W | President and CEO | SELL | $15K–$50K | 3K | $17.97 | Oct 30, 2024 |
| Moon David W | President and CEO | SELL | $15K–$50K | 1K | $12.77 | Jun 20, 2024 |
| Hanstveit Arve | Director | SELL | $100K–$500K | 20K | $13.20 | Jun 10, 2024 |
| Hanstveit Arve | Director | GRANT | N/A | 11K | — | Jun 10, 2024 |
| Ballard Joshua | CFO | SELL | $50K–$100K | 4K | $13.54 | May 30, 2024 |
| Mao Robert Yu Lang | Director | SELL | $100K–$500K | 21K | $13.86 | May 24, 2024 |
| Mao Robert Yu Lang | Director | EXERCISE | $100K–$500K | 40K | $7.79 | May 24, 2024 |
| Mao Robert Yu Lang | Director | SELL | $1M+ | 77K | $15.89 | Mar 5, 2024 |
| Mao Robert Yu Lang | Director | EXERCISE | $100K–$500K | 77K | $3.27 | Mar 5, 2024 |
| Hanstveit Arve | Director | SELL | $500K+ | 50K | $15.49 | Mar 1, 2024 |
| Moon David W | President and CEO | BUY | $100K–$500K | 11K | $15.51 | Feb 29, 2024 |
| Yeung William | Chief Legal Officer | SELL | $15K–$50K | 1K | $14.89 | Feb 7, 2024 |
| Clemente Rodney | SVP, Water | SELL | $1K–$15K | 975 | $14.89 | Feb 7, 2024 |
| Ghasripoor Farshad | CTO | SELL | $15K–$50K | 1K | $14.89 | Feb 7, 2024 |
| Yeung William | Chief Legal Officer | SELL | $15K–$50K | 2K | $15.42 | Feb 5, 2024 |
| Ghasripoor Farshad | CTO | SELL | $15K–$50K | 2K | $15.41 | Feb 5, 2024 |
| Clemente Rodney | SVP, Water | SELL | $15K–$50K | 2K | $15.41 | Feb 5, 2024 |
| Ballard Joshua | CFO | SELL | $1K–$15K | 746 | $15.64 | Feb 5, 2024 |
| Clemente Rodney | SVP, Water | SELL | $1K–$15K | 830 | $15.91 | Feb 1, 2024 |
| Yeung William | Chief Legal Officer | SELL | $1K–$15K | 823 | $15.91 | Feb 1, 2024 |
| Ghasripoor Farshad | CTO | SELL | $1K–$15K | 891 | $15.91 | Feb 1, 2024 |
| Ballard Joshua | CFO | SELL | $100K–$500K | 13K | $18.55 | Jan 4, 2024 |
| Ballard Joshua | CFO | EXERCISE | $50K–$100K | 13K | $7.60 | Jan 4, 2024 |
| Chow Joan Kai | Director | BUY | $15K–$50K | 2K | $17.79 | Nov 13, 2023 |
| Moon David W | Interim President … | BUY | $100K–$500K | 9K | $18.11 | Nov 13, 2023 |
| Sabol Colin R | Director | BUY | $15K–$50K | 2K | $18.00 | Nov 13, 2023 |
| Mao Robert Yu Lang | Director | SELL | $1M+ | 251K | $17.89 | Nov 9, 2023 |
| Mao Robert Yu Lang | Director | EXERCISE | $1M+ | 290K | $10.37 | Nov 9, 2023 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 154 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| STATE STREET CORP | 1.8M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.1M | $1M+ | SH |
| AVENIR CORP | 970K | $1M+ | SH |
| DIAMOND HILL CAPITAL MANAGEMENT INC | 888K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 885K | $1M+ | SH |
| BROWN CAPITAL MANAGEMENT LLC | 765K | $1M+ | SH |
| ACK Asset Management LLC | 677K | $1M+ | SH |
| GOLDMAN SACHS GROUP INC | 503K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 445K | $1M+ | SH |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 427K | $1M+ | SH |
| KLP KAPITALFORVALTNING AS | 388K | $1M+ | SH |
| PINNACLE ASSOCIATES LTD | 380K | $1M+ | SH |
| ArrowMark Colorado Holdings LLC | 377K | $1M+ | SH |
| BlackRock, Inc. | 365K | $1M+ | SH |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 348K | $1M+ | SH |
| Kopion Asset Management, LLC | 334K | $1M+ | SH |
| ROYCE & ASSOCIATES LP | 332K | $1M+ | SH |
| DUFF & PHELPS INVESTMENT MANAGEMENT CO | 301K | $1M+ | SH |
| Raiffeisen Bank International AG | 300K | $1M+ | SH |
| Alpha Wave Global, LP | 265K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 24, 2026
5.4%
2.9M shares
SC 13G · Feb 17, 2026
5.4%
2.9M shares
SC 13G/A · Aug 14, 2025
9.9%
5.4M shares
SC 13G/A · May 15, 2025
4.8%
2.6M shares
SC 13G/A · May 15, 2025
5.0%
2.9M shares
SC 13G/A · May 15, 2025
4.6%
1.5M shares
SC 13G/A · Apr 30, 2025
6.3%
3.5M shares
SC 13G/A · Feb 14, 2025
4.6%
1.5M shares
SC 13G/A · Feb 14, 2025
5.0%
2.9M shares
SC 13G/A · Feb 14, 2025
8.6%
5.0M shares
SC 13G/A · Feb 12, 2025
0.2%
94K shares
SC 13G/A · Nov 14, 2024
6.1%
3.5M shares
Ameriprise Financial, Inc. IRS No. 13-3180631
SC 13G · Nov 14, 2024
6.9%
4.0M shares
SC 13G/A · Nov 12, 2024
5.8%
3.4M shares
SC 13G · Feb 14, 2024
7.7%
4.4M shares
The Vanguard Group - 23-1945930
SC 13G · Feb 13, 2024
5.2%
3.0M shares
SC 13G/A · Jan 25, 2024
8.8%
5.0M shares
SC 13G · Feb 10, 2023
6.2%
3.5M shares
SC 13G · Jan 25, 2023
8.9%
5.0M shares
SC 13G/A · Feb 10, 2022
4.9%
2.8M shares