Mao Robert Yu Lang
SEC CIK 1232218 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| ERII | Energy Recovery, Inc. | Pres, CEO, Dir | 246.9K | — | $6.62M | 16 | 2021-09-29 | 2024-05-22 |
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 | — | — |
Mao Robert Yu Lang made no open-market trades at ERII in the last 12 months.
Transactions 16
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2024-05-24 | 2024-05-22+ | ERII | Energy Recovery, Inc. | Mao Robert Yu Lang | Dir | M - OptEx | $7.79 | +39.9K | 246.9K | +19% | +$310.8K |
| D | 2024-05-24 | 2024-05-22 | ERII | Energy Recovery, Inc. | Mao Robert Yu Lang | Dir | S - Sale+OE | $13.86 | -21.0K | 236.1K | -8% | -$291.7K |
| DM | 2024-03-06 | 2024-03-04 | ERII | Energy Recovery, Inc. | Mao Robert Yu Lang | Dir | M - OptEx | $7.44 | +89.7K | 208.8K | +75% | +$668.1K |
| DM | 2024-03-06 | 2024-03-04 | ERII | Energy Recovery, Inc. | 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 | Energy Recovery, Inc. | 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 | Energy Recovery, Inc. | Mao Robert Yu Lang | Dir | M - OptEx | $3.27 | +77.3K | 215.4K | +56% | +$252.9K |
| DM | 2023-11-13 | 2023-11-08 | ERII | Energy Recovery, Inc. | Mao Robert Yu Lang | Dir | M - OptEx | $8.33 | +71.5K | 131.3K | +120% | +$596.0K |
| DM | 2023-11-08 | 2023-11-06+ | ERII | Energy Recovery, Inc. | Mao Robert Yu Lang | Dir | M - OptEx | $10.37 | +289.9K | 226.0K | New | +$3.01M |
| DM | 2023-11-08 | 2023-11-06+ | ERII | Energy Recovery, Inc. | Mao Robert Yu Lang | Dir | S - Sale+OE | $17.89 | -251.4K | 104.6K | -71% | -$4.50M |
| 2023-10-30 | 2023-10-26 | ERII | Energy Recovery, Inc. | Mao Robert Yu Lang | Pres, CEO, Dir | A - Grant | $0.00 | +4,153 | 66.1K | +7% | $0 | |
| 2023-07-27 | 2023-07-25 | ERII | Energy Recovery, Inc. | Mao Robert Yu Lang | Pres, CEO, Dir | A - Grant | $0.00 | +32.7K | 61.9K | +112% | $0 | |
| 2023-02-01 | 2023-01-30 | ERII | Energy Recovery, Inc. | MAO ROBERT YU LANG | Pres, CEO, Dir | A - Grant | $21.41 | +14.0K | 29.2K | +92% | +$300.0K | |
| D | 2022-08-11 | 2022-08-09 | ERII | Energy Recovery, Inc. | 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 | Energy Recovery, Inc. | MAO ROBERT YU LANG | Pres, CEO, Dir | M - OptEx | $5.43 | +17.2K | 15.2K | New | +$93.6K |
| I | 2021-10-04 | 2021-09-29 | ERII | Energy Recovery, Inc. | MAO ROBERT YU LANG | Pres, CEO, Dir | G - Gift | $0.00 | -121.4K | 32.2K | -79% | $0 |
| AI | 2021-10-04 | 2021-09-29 | ERII | Energy Recovery, Inc. | MAO ROBERT YU LANG | Pres, CEO, Dir | G - Gift | $0.00 | -121.4K | 32.2K | -79% | $0 |
Purchase Sale Sale after option exercise All abbreviations