ERII Energy Recovery, Inc.
Nasdaq · SEC CIK 1421517 · EDGAR
- Bought, last 12 months
- $266.1K 2 purchases by 2 insiders
- Sold, last 12 months
- $3.92M 17 sales by 5 insiders
- Filings on record
- 194 since 2021-07-06, latest 2026-07-29 20:00
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Hanstveit Arve | Dir | — | $2.95M |
| Yeung William | CLO | — | $558.8K |
| Clemente Rodney | SVP, Water | — | $274.9K |
| TONDREAU PAMELA L. | Dir | $166.8K | — |
| BUEHLER ALEXANDER J | CEO, Interim Pres, Dir | — | $129.8K |
| Sabol Colin R | Dir | $99.3K | — |
| Ramanan Natarajan | CTO | — | $2,875 |
| Mitchell John Joseph | Dir | — | — |
| Ryan Aidan | Interim CFO | — | — |
| Hostetler Matthew | CHRO | — | — |
Transactions 221
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2024-05-24 | 2024-05-22 | ERII | Mao Robert Yu Lang | Dir | S - Sale+OE | $13.86 | -21.0K | 236.1K | -8% | -$291.7K |
| 2024-05-10 | 2024-05-08 | ERII | Hanstveit Arve | Dir | S - Sale | $13.53 | -35.0K | 772.1K | -4% | -$473.6K | |
| 2024-05-09 | 2024-05-07 | ERII | Moon David W | Pres, CEO, Dir | D - Sale to Iss | $0.00 | -8,040 | 90.9K | -8% | $0 | |
| I | 2024-05-09 | 2024-05-07 | ERII | Moon David W | Pres, CEO, Dir | P - Purchase | $13.46 | +10.5K | 29.8K | +55% | +$141.3K |
| 2024-03-13 | 2024-03-11 | ERII | Ballard Joshua | CFO | S - Sale | $14.98 | -979 | 44.4K | -2% | -$14.7K | |
| 2024-03-13 | 2024-03-11 | ERII | Clemente Rodney | SVP, Water | S - Sale | $14.98 | -825 | 142.7K | -0.6% | -$12.4K | |
| 2024-03-13 | 2024-03-11 | ERII | Yeung William | CLO | S - Sale | $14.98 | -978 | 87.3K | -1% | -$14.7K | |
| DM | 2024-03-06 | 2024-03-04 | ERII | Mao Robert Yu Lang | Dir | M - OptEx | $7.44 | +89.7K | 208.8K | +75% | +$668.1K |
| DM | 2024-03-06 | 2024-03-04 | ERII | Mao Robert Yu Lang | Dir | S - Sale+OE | $15.74 | -35.8K | 176.1K | -17% | -$563.2K |
| DM | 2024-03-04 | 2024-02-29+ | ERII | Mao Robert Yu Lang | Dir | S - Sale+OE | $15.89 | -77.3K | 176.1K | -31% | -$1.23M |
| DM | 2024-03-04 | 2024-02-29+ | ERII | Mao Robert Yu Lang | Dir | M - OptEx | $3.27 | +77.3K | 215.4K | +56% | +$252.9K |
| 2024-03-01 | 2024-02-28 | ERII | Hanstveit Arve | Dir | S - Sale | $15.49 | -50.0K | 807.1K | -6% | -$774.5K | |
| I | 2024-02-29 | 2024-02-27 | ERII | Moon David W | Pres, CEO, Dir | P - Purchase | $15.51 | +10.8K | 19.2K | +126% | +$166.7K |
| 2024-02-07 | 2024-02-05 | ERII | Ghasripoor Farshad | CTO | S - Sale | $14.89 | -1,118 | 141.6K | -0.8% | -$16.6K | |
| 2024-02-07 | 2024-02-05 | ERII | Clemente Rodney | SVP, Water | S - Sale | $14.89 | -975 | 143.5K | -0.7% | -$14.5K | |
| 2024-02-07 | 2024-02-05 | ERII | Yeung William | CLO | S - Sale | $14.89 | -1,013 | 88.3K | -1% | -$15.1K | |
| 2024-02-05 | 2024-02-01 | ERII | Ballard Joshua | CFO | S - Sale | $15.64 | -746 | 45.4K | -2% | -$11.7K | |
| M | 2024-02-05 | 2024-02-01+ | ERII | Yeung William | CLO | S - Sale | $15.42 | -2,133 | 89.3K | -2% | -$32.9K |
| M | 2024-02-05 | 2024-02-01+ | ERII | Ghasripoor Farshad | CTO | S - Sale | $15.41 | -2,449 | 142.7K | -2% | -$37.7K |
| M | 2024-02-05 | 2024-02-01+ | ERII | Clemente Rodney | SVP, Water | S - Sale | $15.41 | -2,277 | 146.0K | -2% | -$35.1K |
| 2024-02-01 | 2024-01-30 | ERII | Clemente Rodney | SVP, Water | S - Sale | $15.91 | -830 | 146.8K | -0.6% | -$13.2K | |
| 2024-02-01 | 2024-01-30 | ERII | Yeung William | CLO | S - Sale | $15.91 | -823 | 91.4K | -0.9% | -$13.1K | |
| 2024-02-01 | 2024-01-30 | ERII | Ghasripoor Farshad | CTO | S - Sale | $15.91 | -891 | 145.1K | -0.6% | -$14.2K | |
| 2024-01-29 | 2024-01-25 | ERII | Ghasripoor Farshad | CTO | A - Grant | $0.00 | +42.5K | 146.0K | +41% | $0 | |
| 2024-01-29 | 2024-01-25 | ERII | Clemente Rodney | SVP, Water | A - Grant | $0.00 | +69.9K | 147.6K | +90% | $0 | |
| 2024-01-29 | 2024-01-25 | ERII | Yeung William | CLO | A - Grant | $0.00 | +39.5K | 92.2K | +75% | $0 | |
| D | 2024-01-29 | 2024-01-25 | ERII | Moon David W | Pres, CEO, Dir | A - Grant | $0.00 | +80.4K | 98.9K | +436% | $0 |
| DM | 2024-01-04 | 2024-01-02+ | ERII | Ballard Joshua | CFO | S - Sale+OE | $18.55 | -12.5K | 46.2K | -21% | -$231.8K |
| DM | 2024-01-04 | 2024-01-02+ | ERII | Ballard Joshua | CFO | M - OptEx | $7.60 | +12.5K | 52.4K | +31% | +$95.0K |
| I | 2023-11-13 | 2023-11-09 | ERII | Moon David W | CEO, Interim Pres, Dir | P - Purchase | $18.11 | +8,500 | 8,500 | New | +$153.9K |
| I | 2023-11-13 | 2023-11-10 | ERII | Chow Joan Kai | Dir | P - Purchase | $17.79 | +1,500 | 1,500 | New | +$26.7K |
| AI | 2023-11-13 | 2023-11-06 | ERII | Sabol Colin R | Dir | P - Purchase | $17.75 | +1,000 | 1,000 | New | +$17.8K |
| DM | 2023-11-13 | 2023-11-08 | ERII | Mao Robert Yu Lang | Dir | M - OptEx | $8.33 | +71.5K | 131.3K | +120% | +$596.0K |
| I | 2023-11-13 | 2023-11-09 | ERII | Sabol Colin R | Dir | P - Purchase | $18.00 | +2,000 | 3,000 | +200% | +$36.0K |
| DM | 2023-11-08 | 2023-11-06+ | ERII | Mao Robert Yu Lang | Dir | M - OptEx | $10.37 | +289.9K | 226.0K | New | +$3.01M |
| DM | 2023-11-08 | 2023-11-06+ | ERII | Mao Robert Yu Lang | Dir | S - Sale+OE | $17.89 | -251.4K | 104.6K | -71% | -$4.50M |
| 2023-11-08 | 2023-11-07 | ERII | TONDREAU PAMELA L. | Dir | P - Purchase | $17.91 | +8,350 | 23.1K | +57% | +$149.5K | |
| 2023-11-08 | 2023-11-06 | ERII | Sabol Colin R | Dir | P - Purchase | $17.75 | +1,000 | 4,232 | +31% | +$17.8K | |
| 2023-10-30 | 2023-10-26 | ERII | Mao Robert Yu Lang | Pres, CEO, Dir | A - Grant | $0.00 | +4,153 | 66.1K | +7% | $0 | |
| 2023-10-30 | 2023-10-26 | ERII | TONDREAU PAMELA L. | Dir | A - Grant | $0.00 | +1,447 | 14.8K | +11% | $0 | |
| 2023-10-26 | 2023-10-24 | ERII | Moon David W | Dir | A - Grant | $0.00 | +15.2K | 18.5K | +471% | $0 | |
| 2023-10-25 | 2023-10-24 | ERII | Clemente Rodney | SVP, Water | A - Grant | $0.00 | +21.8K | 77.7K | +39% | $0 | |
| 2023-10-25 | 2023-10-24 | ERII | Ghasripoor Farshad | CTO | A - Grant | $0.00 | +21.8K | 103.6K | +27% | $0 | |
| I | 2023-09-14 | 2023-09-12 | ERII | Ballard Joshua | CFO | S - Sale | $24.03 | -700 | 0 | -100% | -$16.8K |
| DM | 2023-08-31 | 2023-08-29 | ERII | Ghasripoor Farshad | CTO | M - OptEx | $7.57 | +51.1K | 97.1K | +111% | +$387.1K |
| D | 2023-08-31 | 2023-08-29 | ERII | Ghasripoor Farshad | CTO | S - Sale+OE | $27.92 | -51.1K | 81.8K | -38% | -$1.43M |
| 2023-08-29 | 2023-08-28 | ERII | Yeung William | CLO | S - Sale | $27.75 | -40.6K | 52.7K | -44% | -$1.13M | |
| DM | 2023-08-29 | 2023-08-25 | ERII | Clemente Rodney | SVP, Water | M - OptEx | $8.11 | +31.4K | 87.3K | +56% | +$254.3K |
| D | 2023-08-29 | 2023-08-25 | ERII | Clemente Rodney | SVP, Water | S - Sale+OE | $27.03 | -31.4K | 55.9K | -36% | -$848.0K |
| 2023-07-27 | 2023-07-25 | ERII | Clemente Rodney | SVP, Water | A - Grant | $0.00 | +23.1K | 55.9K | +71% | $0 | |
| 2023-07-27 | 2023-07-25 | ERII | Mao Robert Yu Lang | Pres, CEO, Dir | A - Grant | $0.00 | +32.7K | 61.9K | +112% | $0 | |
| 2023-07-27 | 2023-07-25 | ERII | Ballard Joshua | CFO | A - Grant | $0.00 | +21.5K | 46.2K | +87% | $0 | |
| 2023-07-27 | 2023-07-25 | ERII | Yeung William | CLO | A - Grant | $0.00 | +16.7K | 93.3K | +22% | $0 | |
| 2023-07-27 | 2023-07-25 | ERII | Ghasripoor Farshad | CTO | A - Grant | $0.00 | +18.9K | 81.8K | +30% | $0 | |
| 2023-07-12 | 2023-07-10 | ERII | Sabol Colin R | Dir | A - Grant | $28.22 | +3,232 | 3,232 | New | +$91.2K | |
| 2023-07-12 | 2023-07-10 | ERII | Moon David W | Dir | A - Grant | $28.22 | +3,232 | 3,232 | New | +$91.2K | |
| 2023-06-23 | 2023-06-20 | ERII | Hanstveit Arve | Dir | S - Sale | $27.50 | -15.0K | 857.1K | -2% | -$412.5K | |
| M | 2023-06-13 | 2023-06-09+ | ERII | POLLINA LISA A | Dir | S - Sale | $27.02 | -1,843 | 4,807 | -28% | -$49.8K |
| 2023-06-12 | 2023-06-08 | ERII | TONDREAU PAMELA L. | Dir | A - Grant | $27.00 | +3,703 | 13.3K | +38% | +$100.0K | |
| 2023-06-12 | 2023-06-08 | ERII | Chow Joan Kai | Dir | A - Grant | $27.00 | +3,703 | 10.9K | +52% | +$100.0K | |
| 2023-06-12 | 2023-06-08 | ERII | Hanstveit Arve | Dir | A - Grant | $27.00 | +3,703 | 872.1K | +0.4% | +$100.0K | |
| 2023-06-12 | 2023-06-08 | ERII | BUEHLER ALEXANDER J | Dir | A - Grant | $27.00 | +3,703 | 23.3K | +19% | +$100.0K | |
| D | 2023-06-05 | 2023-06-01 | ERII | Hanstveit Arve | Dir | M - OptEx | $8.60 | +15.3K | 883.7K | +2% | +$131.8K |
| D | 2023-06-05 | 2023-06-01 | ERII | Hanstveit Arve | Dir | S - Sale+OE | $23.73 | -15.3K | 868.4K | -2% | -$363.7K |
| 2023-04-05 | 2023-04-03 | ERII | Hanstveit Arve | Dir | S - Sale | $23.50 | -16.0K | 868.4K | -2% | -$376.0K | |
| 2023-03-13 | 2023-03-09 | ERII | Yeung William | CLO | S - Sale | $23.99 | -882 | 76.6K | -1% | -$21.2K | |
| 2023-03-13 | 2023-03-09 | ERII | Ballard Joshua | CFO | S - Sale | $23.99 | -883 | 24.6K | -3% | -$21.2K | |
| 2023-03-13 | 2023-03-09 | ERII | Clemente Rodney | SVP, Water | S - Sale | $23.99 | -768 | 32.8K | -2% | -$18.4K | |
| 2023-03-06 | 2023-03-02 | ERII | Clemente Rodney | SVP, Water | D - Sale to Iss | $22.35 | -22.1K | 33.5K | -40% | -$493.8K | |
| 2023-02-07 | 2023-02-03 | ERII | Yeung William | CLO | S - Sale | $22.75 | -836 | 77.5K | -1% | -$19.0K | |
| 2023-02-07 | 2023-02-03 | ERII | Ballard Joshua | CFO | S - Sale | $22.47 | -3,208 | 25.5K | -11% | -$72.1K | |
| 2023-02-07 | 2023-02-03 | ERII | Ghasripoor Farshad | CTO | S - Sale | $22.75 | -987 | 62.9K | -2% | -$22.5K | |
| 2023-02-07 | 2023-02-03 | ERII | Clemente Rodney | SVP, Water | S - Sale | $22.75 | -925 | 55.6K | -2% | -$21.0K | |
| M | 2023-02-03 | 2023-02-01+ | ERII | Yeung William | CLO | S - Sale | $22.40 | -3,707 | 81.3K | -4% | -$83.0K |
| M | 2023-02-03 | 2023-02-01+ | ERII | Clemente Rodney | SVP, Water | S - Sale | $22.41 | -3,831 | 59.6K | -6% | -$85.8K |
| D | 2023-02-03 | 2023-02-01 | ERII | Ballard Joshua | CFO | M - OptEx | $7.60 | +15.0K | 45.9K | +49% | +$114.0K |
| DM | 2023-02-03 | 2023-02-01+ | ERII | Ballard Joshua | CFO | S - Sale+OE | $21.97 | -17.1K | 28.7K | -37% | -$376.5K |
| M | 2023-02-03 | 2023-02-01+ | ERII | Ghasripoor Farshad | CTO | S - Sale | $22.41 | -4,250 | 67.2K | -6% | -$95.3K |
| 2023-02-01 | 2023-01-30 | ERII | MAO ROBERT YU LANG | Pres, CEO, Dir | A - Grant | $21.41 | +14.0K | 29.2K | +92% | +$300.0K | |
| 2023-02-01 | 2023-01-30 | ERII | Yeung William | CLO | A - Grant | $21.41 | +7,006 | 82.1K | +9% | +$150.0K | |
| 2023-02-01 | 2023-01-30 | ERII | Ghasripoor Farshad | CTO | A - Grant | $21.41 | +7,589 | 68.1K | +13% | +$162.5K | |
| 2023-02-01 | 2023-01-30 | ERII | Clemente Rodney | SVP, Water | A - Grant | $21.41 | +8,173 | 60.4K | +16% | +$175.0K | |
| 2023-02-01 | 2023-01-30 | ERII | Ballard Joshua | CFO | A - Grant | $21.41 | +8,173 | 30.9K | +36% | +$175.0K | |
| D | 2022-11-18 | 2022-11-16 | ERII | Hanstveit Arve | Dir | M - OptEx | $5.43 | +17.2K | 901.6K | +2% | +$93.6K |
| D | 2022-11-18 | 2022-11-16 | ERII | Hanstveit Arve | Dir | S - Sale+OE | $20.93 | -17.2K | 884.4K | -2% | -$360.7K |
| D | 2022-09-16 | 2022-09-14 | ERII | Foda Sherif | Dir | S - Sale+OE | $25.50 | -15.9K | 9,619 | -62% | -$404.9K |
| D | 2022-09-16 | 2022-09-14 | ERII | Foda Sherif | Dir | M - OptEx | $8.49 | +15.9K | 25.5K | +165% | +$134.8K |
| D | 2022-08-11 | 2022-08-09 | ERII | MAO ROBERT YU LANG | Pres, CEO, Dir | S - Sale+OE | $22.46 | -2,000 | 0 | -100% | -$44.9K |
| DM | 2022-08-11 | 2022-08-09+ | ERII | MAO ROBERT YU LANG | Pres, CEO, Dir | M - OptEx | $5.43 | +17.2K | 15.2K | New | +$93.6K |
| 2022-08-10 | 2022-08-08 | ERII | POLLINA LISA A | Dir | S - Sale | $23.08 | -2,700 | 5,850 | -32% | -$62.3K | |
| I | 2022-06-17 | 2022-06-15 | ERII | Yeung William | CLO | S - Sale | $19.07 | -2,500 | 5,568 | -31% | -$47.7K |
| 2022-06-13 | 2022-06-09 | ERII | Chow Joan Kai | Dir | A - Grant | $20.80 | +4,807 | 7,154 | +205% | +$100.0K | |
| 2022-06-13 | 2022-06-09 | ERII | BUEHLER ALEXANDER J | Dir | A - Grant | $20.80 | +4,807 | 19.6K | +32% | +$100.0K | |
| 2022-06-13 | 2022-06-09 | ERII | POLLINA LISA A | Dir | A - Grant | $20.80 | +4,807 | 8,550 | +128% | +$100.0K | |
| 2022-06-13 | 2022-06-09 | ERII | Hanstveit Arve | Dir | A - Grant | $20.80 | +4,807 | 884.4K | +0.5% | +$100.0K | |
| 2022-06-13 | 2022-06-09 | ERII | Foda Sherif | Dir | A - Grant | $20.80 | +4,807 | 9,619 | +100% | +$100.0K | |
| 2022-06-13 | 2022-06-09 | ERII | TONDREAU PAMELA L. | Dir | A - Grant | $20.80 | +4,807 | 9,619 | +100% | +$100.0K | |
| DM | 2022-06-06 | 2022-06-03 | ERII | BUEHLER ALEXANDER J | Dir | M - OptEx | $3.12 | +50.0K | 64.8K | +338% | +$156.0K |
| D | 2022-06-06 | 2022-06-03 | ERII | BUEHLER ALEXANDER J | Dir | S - Sale+OE | $21.34 | -50.0K | 14.8K | -77% | -$1.07M |
| 2022-03-15 | 2022-03-07 | ERII | Ballard Joshua | CFO | A - Grant | $18.96 | +7,911 | 22.7K | +54% | +$150.0K |
Purchase Sale Sale after option exercise All abbreviations