Yeung William
SEC CIK 1677876 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| ERII | Energy Recovery, Inc. | CLO | 99.3K | — | $2.68M | 40 | 2022-01-28 | 2026-07-28 |
Most active insiders at ERII, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Hanstveit Arve | Dir | — | $2.95M |
| 2 | Yeung William | CLO | — | $558.8K |
| 3 | Clemente Rodney | SVP, Water | — | $274.9K |
| 4 | TONDREAU PAMELA L. | Dir | $166.8K | — |
| 5 | BUEHLER ALEXANDER J | CEO, Interim Pres, Dir | — | $129.8K |
| 6 | Sabol Colin R | Dir | $99.3K | — |
| 7 | Ramanan Natarajan | CTO | — | $2,875 |
| 8 | Mitchell John Joseph | Dir | — | — |
| 9 | Ryan Aidan | Interim CFO | — | — |
| 10 | Hostetler Matthew | CHRO | — | — |
Transactions 40
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-07-29 19:58 | 2026-07-27 | ERII | Energy Recovery, Inc. | Yeung William | CLO | F - Tax | $8.42 | -2,828 | 101.3K | -3% | -$23.8K | |
| 2026-07-29 19:58 | 2026-07-28 | ERII | Energy Recovery, Inc. | Yeung William | CLO | S - Sale | $8.56 | -2,048 | 99.3K | -2% | -$17.5K | |
| 2026-02-19 | 2026-02-17 | ERII | Energy Recovery, Inc. | Yeung William | CLO | A - Grant | $0.00 | +26.0K | 104.2K | +33% | $0 | |
| M | 2026-02-09 | 2026-02-05+ | ERII | Energy Recovery, Inc. | Yeung William | CLO | S - Sale | $14.82 | -1,536 | 78.2K | -2% | -$22.8K |
| M | 2026-02-03 | 2026-01-30 | ERII | Energy Recovery, Inc. | Yeung William | CLO | F - Tax | $14.34 | -9,625 | 89.1K | -10% | -$138.0K |
| M | 2026-02-03 | 2026-01-28+ | ERII | Energy Recovery, Inc. | Yeung William | CLO | S - Sale | $14.54 | -8,000 | 90.1K | -8% | -$116.3K |
| DM | 2025-10-27 | 2025-10-23+ | ERII | Energy Recovery, Inc. | Yeung William | CLO | S - Sale+OE | $17.86 | -12.7K | 97.4K | -12% | -$226.8K |
| DM | 2025-10-27 | 2025-10-23+ | ERII | Energy Recovery, Inc. | Yeung William | CLO | M - OptEx | $8.69 | +12.7K | 100.9K | +14% | +$110.4K |
| D | 2025-10-22 | 2025-10-20 | ERII | Energy Recovery, Inc. | Yeung William | CLO | M - OptEx | $7.50 | +3,530 | 100.9K | +4% | +$26.5K |
| D | 2025-10-22 | 2025-10-20 | ERII | Energy Recovery, Inc. | Yeung William | CLO | S - Sale+OE | $17.00 | -3,530 | 97.4K | -3% | -$60.0K |
| D | 2025-10-17 | 2025-10-16 | ERII | Energy Recovery, Inc. | Yeung William | CLO | S - Sale+OE | $16.50 | -3,530 | 97.4K | -3% | -$58.2K |
| D | 2025-10-17 | 2025-10-16 | ERII | Energy Recovery, Inc. | Yeung William | CLO | M - OptEx | $7.50 | +3,530 | 100.9K | +4% | +$26.5K |
| DM | 2025-10-07 | 2025-10-03 | ERII | Energy Recovery, Inc. | Yeung William | CLO | S - Sale+OE | $16.00 | -3,567 | 97.4K | -4% | -$57.1K |
| DM | 2025-10-07 | 2025-10-03 | ERII | Energy Recovery, Inc. | Yeung William | CLO | M - OptEx | $7.50 | +3,567 | 98.4K | +4% | +$26.8K |
| D | 2025-09-22 | 2025-09-18 | ERII | Energy Recovery, Inc. | Yeung William | CLO | S - Sale+OE | $15.09 | -15.5K | 97.4K | -14% | -$233.2K |
| D | 2025-09-22 | 2025-09-18 | ERII | Energy Recovery, Inc. | Yeung William | CLO | M - OptEx | $8.95 | +15.5K | 112.8K | +16% | +$138.3K |
| D | 2025-09-15 | 2025-09-11 | ERII | Energy Recovery, Inc. | Yeung William | CLO | S - Sale+OE | $14.51 | -33.6K | 97.4K | -26% | -$486.9K |
| D | 2025-09-15 | 2025-09-11 | ERII | Energy Recovery, Inc. | Yeung William | CLO | M - OptEx | $8.95 | +30.9K | 130.9K | +31% | +$276.3K |
| 2025-07-29 | 2025-07-25 | ERII | Energy Recovery, Inc. | Yeung William | CLO | F - Tax | $13.88 | -1,989 | 100.0K | -2% | -$27.6K | |
| 2025-03-12 | 2025-03-10 | ERII | Energy Recovery, Inc. | Yeung William | CLO | F - Tax | $16.37 | -944 | 102.0K | -0.9% | -$15.5K | |
| 2025-02-05 | 2025-02-03 | ERII | Energy Recovery, Inc. | Yeung William | CLO | F - Tax | $14.34 | -882 | 103.0K | -0.8% | -$12.6K | |
| M | 2025-02-03 | 2025-01-30+ | ERII | Energy Recovery, Inc. | Yeung William | CLO | F - Tax | $14.44 | -1,325 | 104.5K | -1% | -$19.1K |
| 2025-01-29 | 2025-01-27 | ERII | Energy Recovery, Inc. | Yeung William | CLO | F - Tax | $14.40 | -4,061 | 105.2K | -4% | -$58.5K | |
| 2025-01-27 | 2025-01-23 | ERII | Energy Recovery, Inc. | Yeung William | CLO | A - Grant | $0.00 | +24.0K | 109.2K | +28% | $0 | |
| 2024-07-30 | 2024-07-29 | ERII | Energy Recovery, Inc. | Yeung William | CLO | S - Sale | $14.63 | -2,012 | 85.3K | -2% | -$29.4K | |
| 2024-03-13 | 2024-03-11 | ERII | Energy Recovery, Inc. | Yeung William | CLO | S - Sale | $14.98 | -978 | 87.3K | -1% | -$14.7K | |
| 2024-02-07 | 2024-02-05 | ERII | Energy Recovery, Inc. | Yeung William | CLO | S - Sale | $14.89 | -1,013 | 88.3K | -1% | -$15.1K | |
| M | 2024-02-05 | 2024-02-01+ | ERII | Energy Recovery, Inc. | Yeung William | CLO | S - Sale | $15.42 | -2,133 | 89.3K | -2% | -$32.9K |
| 2024-02-01 | 2024-01-30 | ERII | Energy Recovery, Inc. | Yeung William | CLO | S - Sale | $15.91 | -823 | 91.4K | -0.9% | -$13.1K | |
| 2024-01-29 | 2024-01-25 | ERII | Energy Recovery, Inc. | Yeung William | CLO | A - Grant | $0.00 | +39.5K | 92.2K | +75% | $0 | |
| 2023-08-29 | 2023-08-28 | ERII | Energy Recovery, Inc. | Yeung William | CLO | S - Sale | $27.75 | -40.6K | 52.7K | -44% | -$1.13M | |
| 2023-07-27 | 2023-07-25 | ERII | Energy Recovery, Inc. | Yeung William | CLO | A - Grant | $0.00 | +16.7K | 93.3K | +22% | $0 | |
| 2023-03-13 | 2023-03-09 | ERII | Energy Recovery, Inc. | Yeung William | CLO | S - Sale | $23.99 | -882 | 76.6K | -1% | -$21.2K | |
| 2023-02-07 | 2023-02-03 | ERII | Energy Recovery, Inc. | Yeung William | CLO | S - Sale | $22.75 | -836 | 77.5K | -1% | -$19.0K | |
| M | 2023-02-03 | 2023-02-01+ | ERII | Energy Recovery, Inc. | Yeung William | CLO | S - Sale | $22.40 | -3,707 | 81.3K | -4% | -$83.0K |
| 2023-02-01 | 2023-01-30 | ERII | Energy Recovery, Inc. | Yeung William | CLO | A - Grant | $21.41 | +7,006 | 82.1K | +9% | +$150.0K | |
| I | 2022-06-17 | 2022-06-15 | ERII | Energy Recovery, Inc. | Yeung William | CLO | S - Sale | $19.07 | -2,500 | 5,568 | -31% | -$47.7K |
| 2022-03-15 | 2022-03-07 | ERII | Energy Recovery, Inc. | Yeung William | CLO | A - Grant | $18.96 | +7,911 | 75.1K | +12% | +$150.0K | |
| M | 2022-02-03 | 2022-02-01+ | ERII | Energy Recovery, Inc. | Yeung William | CLO | F - Tax | $19.61 | -5,577 | 69.6K | -7% | -$109.3K |
| D | 2022-02-01 | 2022-01-28 | ERII | Energy Recovery, Inc. | Yeung William | CLO | A - Grant | $0.00 | +7,898 | 72.7K | +12% | $0 |
Purchase Sale Sale after option exercise All abbreviations