Robert Yu Lang Mao Net Worth
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Robert Yu Lang Mao has an estimated net worth of at least $10.8 million*, as of May 7, 2025. They own 281,101 shares of ERII stock. They have sold 387,546 shares of ERII stock since 2021, for an estimated $6.6 million.
Robert Yu Lang Mao $ERII SEC Form 4 Insider Trading
Robert Yu Lang Mao has filed a total of 9 insider trades in $ERII since 2021. Their most recent trade was a sale of 21,045 shares, made on May 22, 2024. Their largest trade was a sale of 130,000 shares, made on Nov 06, 2023. We estimate that they now own 281,101 shares of $ERII, worth an estimated $4.2 million.
Insider Trading at $ERII
There have been a total of 86 insider trades reported at $ERII since 2021, with 45,600 shares purchased and 2.7 million shares sold. The most active insider traders in $ERII stock have been Rodney Clemente, William Yeung, and Joshua Ballard. The most recent trade was a sale of 50,000 shares reported by Arve Hanstveit (None), made on Mar 11, 2025.
History of Insider Stock Trades by Robert Yu Lang Mao
Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
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Sale | 21,045 | May 22, 2024 | May 24, 2024, 4:55 p.m. |
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Sale | 20,509 | Mar 04, 2024 | March 6, 2024, 5:57 p.m. |
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Sale | 15,270 | Mar 04, 2024 | March 6, 2024, 5:57 p.m. |
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Sale | 5,142 | Mar 01, 2024 | March 4, 2024, 8:35 p.m. |
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Sale | 39,314 | Feb 29, 2024 | March 4, 2024, 8:35 p.m. |
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Sale | 32,883 | Mar 01, 2024 | March 4, 2024, 8:35 p.m. |
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Sale | 121,383 | Nov 07, 2023 | Nov. 8, 2023, 8:38 p.m. |
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Sale | 130,000 | Nov 06, 2023 | Nov. 8, 2023, 8:38 p.m. |
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Sale | 2,000 | Aug 09, 2022 | Aug. 11, 2022, 5:59 p.m. |
$ERII Executives and Stock Owners with Insider Trades
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Rodney Clemente, SVP, Water
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William Yeung, Chief Legal Officer
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Joshua Ballard, Chief Financial Officer
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Farshad Ghasripoor, Chief Technology Officer
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David W Moon, President and CEO
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David W Moon, Interim President and CEO
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Robert Yu Lang Mao, President and CEO
*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.