Mao Robert Yu Lang - Net Worth and Insider Trading
Mao Robert Yu Lang Net Worth
The estimated net worth of Mao Robert Yu Lang is at least $5 Million dollars as of 2025-07-19. Mao Robert Yu Lang is the Director of Energy Recovery Inc and owns about 345,143 shares of Energy Recovery Inc (ERII) stock worth over $5 Million. Details can be seen in Mao Robert Yu Lang's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that Mao Robert Yu Lang has not made any transactions after 2024-05-22 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Mao Robert Yu Lang
Mao Robert Yu Lang Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Mao Robert Yu Lang owns 3 companies in total, including Energy Recovery Inc (ERII) , Cypress Semiconductor Corp (CY) , and Nortel Networks Corp (NRTLQ) .
Click here to see the complete history of Mao Robert Yu Lang’s form 4 insider trades.
Insider Ownership Summary of Mao Robert Yu Lang
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| ERII | Energy Recovery Inc | 2024-05-22 | director |
| CY | Cypress Semiconductor Corp | 2015-03-15 | director |
| NRTLQ | Nortel Networks Corp | 2006-02-15 | President & CEO & Greater China |
Mao Robert Yu Lang Latest Holdings Summary
Mao Robert Yu Lang currently owns a total of 1 stock. Mao Robert Yu Lang owns 345,143 shares of Energy Recovery Inc (ERII) as of May 22, 2024, with a value of $5 Million.
Latest Holdings of Mao Robert Yu Lang
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| ERII | Energy Recovery Inc | 2024-05-22 | 345,143 | 13.54 | 4,673,236 |
Holding Weightings of Mao Robert Yu Lang
Mao Robert Yu Lang Form 4 Trading Tracker
According to the SEC Form 4 filings, Mao Robert Yu Lang has made a total of 6 transactions in Energy Recovery Inc (ERII) over the past 5 years, including 0 buys and 6 sells. The most-recent trade in Energy Recovery Inc is the sale of 21,045 shares on May 22, 2024, which brought Mao Robert Yu Lang around $291,684.
Insider Trading History of Mao Robert Yu Lang
- 1
Mao Robert Yu Lang Trading Performance
GuruFocus tracks the stock performance after each of Mao Robert Yu Lang's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Mao Robert Yu Lang is 4.13%. GuruFocus also compares Mao Robert Yu Lang's trading performance to market benchmark return within the same time period. The performance of stocks bought by Mao Robert Yu Lang within 3 months outperforms 3 times out of 4 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Mao Robert Yu Lang's insider trading performs compared to the benchmark.
Performance of Mao Robert Yu Lang
Average Return
Outperforming Transactions
| 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | 3 Years | |
|---|---|---|---|---|---|---|
| Return(%) | 16.55 | | | | | |
| Relative Return to S&P 500(%) | 15.3 | | | | | |
Mao Robert Yu Lang Ownership Network
Ownership Network List of Mao Robert Yu Lang
Ownership Network Relation of Mao Robert Yu Lang
Mao Robert Yu Lang Owned Company Details
What does Energy Recovery Inc do?
Who are the key executives at Energy Recovery Inc?
Mao Robert Yu Lang is the director of Energy Recovery Inc. Other key executives at Energy Recovery Inc include VP & Global Desalination Sales Rodney Clemente , Chief Technology Officer Farshad Ghasripoor , and General Counsel William Yeung .
Energy Recovery Inc (ERII) Insider Trades Summary
Over the past 18 months, Mao Robert Yu Lang made 3 insider transaction in Energy Recovery Inc (ERII) with a net sale of 134,163. Other recent insider transactions involving Energy Recovery Inc (ERII) include a net sale of 64,508 shares made by Rodney Clemente , a net sale of 225,000 shares made by Arve Hanstveit , and a net purchase of 24,681 shares made by David W Moon .
In summary, during the past 3 months, insiders sold 50,000 shares of Energy Recovery Inc (ERII) in total and bought 8,400 shares, with a net sale of 41,600 shares. During the past 18 months, 459,238 shares of Energy Recovery Inc (ERII) were sold and 32,650 shares were bought by its insiders, resulting in a net sale of 426,588 shares.
Energy Recovery Inc (ERII)'s detailed insider trading history can be found in Insider Trading Tracker table.
Energy Recovery Inc Insider Transactions
Mao Robert Yu Lang Mailing Address
Above is the net worth, insider trading, and ownership report for Mao Robert Yu Lang. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Mao Robert Yu Lang's mailing address is: Long Island Ny 11101.
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