ROBERT YU LANG MAO Insider Trading Transactions
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General | Insider Transactions | Monthly Overview
Get the latest insider transactions of ROBERT YU LANG MAO. ROBERT YU LANG MAO is CEO in 3COM CORP ($COMS) and Director in 3COM CORP ($COMS) and EVP Corp Development in 3COM CORP ($COMS) and Director in CYPRESS SEMICONDUCTOR CORP /DE/ ($CY) and President & CEO, Nortel China in NORTEL NETWORKS CORP ($NT) and Director in Energy Recovery, Inc. ($ERII) and President and CEO in Energy Recovery, Inc. ($ERII).
Latest Insider Trading Transactions of ROBERT YU LANG MAO
| 1 Week | 2 Weeks | 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | |
|---|---|---|---|---|---|---|---|
| No. of Purchases | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Purchases ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| No. of Sales | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Sales ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Sentiment: All, COMS, CY, ERII, NT
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| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 03 2021 | ERII | Energy Recovery, I ... | MAO ROBERT YU LANG | President and CEO | Option Exercise | A | 13.96 | 191,534 | 2,673,815 | 191,534 | |
| Dec 15 2020 | ERII | Energy Recovery, I ... | MAO ROBERT YU LANG | President and CEO | Option Exercise | M | 2.49 | 45,708 | 113,813 | 0 | |
| Dec 15 2020 | ERII | Energy Recovery, I ... | MAO ROBERT YU LANG | President and CEO | Sell | S | 12.22 | 9,500 | 116,079 | 217,611 | 227.1 K to 217.6 K (-4.18 %) |
| Dec 15 2020 | ERII | Energy Recovery, I ... | MAO ROBERT YU LANG | President and CEO | Buy | M | 2.49 | 45,708 | 113,813 | 227,111 | 181.4 K to 227.1 K (+25.20 %) |
| May 22 2020 | ERII | Energy Recovery, I ... | MAO ROBERT YU LANG | President and CEO | Option Exercise | A | 7.79 | 50,000 | 389,500 | 50,000 | |
| May 22 2020 | ERII | Energy Recovery, I ... | MAO ROBERT YU LANG | President and CEO | Option Exercise | A | 7.79 | 223,613 | 1,741,945 | 223,613 | |
| Jul 10 2019 | ERII | Energy Recovery, I ... | MAO ROBERT YU LANG | Director | Option Exercise | A | 9.98 | 21,303 | 212,604 | 21,303 | |
| May 16 2019 | ERII | Energy Recovery, I ... | MAO ROBERT YU LANG | Director | Option Exercise | M | 2.61 | 39,042 | 101,900 | 0 | |
| May 16 2019 | ERII | Energy Recovery, I ... | MAO ROBERT YU LANG | Director | Buy | M | 2.61 | 39,042 | 101,900 | 181,403 | 142.4 K to 181.4 K (+27.42 %) |
| Jun 18 2018 | ERII | Energy Recovery, I ... | MAO ROBERT YU LANG | Director | Option Exercise | A | 8.49 | 15,879 | 134,813 | 247,766 | |
| Jun 29 2017 | ERII | Energy Recovery, I ... | MAO ROBERT YU LANG | Director | Option Exercise | A | 7.71 | 16,726 | 128,957 | 231,887 | |
| Mar 14 2017 | ERII | Energy Recovery, I ... | MAO ROBERT YU LANG | Director | Buy | P | 7.53 | 20,000 | 150,620 | 142,361 | 122.4 K to 142.4 K (+16.35 %) |
| Jun 27 2016 | ERII | Energy Recovery, I ... | MAO ROBERT YU LANG | Director | Option Exercise | A | 8.60 | 15,327 | 131,812 | 215,161 | |
| Jun 27 2016 | ERII | Energy Recovery, I ... | MAO ROBERT YU LANG | Director | Option Exercise | A | 8.60 | 15,327 | 131,812 | 215,161 | |
| May 12 2016 | ERII | Energy Recovery, I ... | MAO ROBERT YU LANG | Director | Option Exercise | M | 3.45 | 25,000 | 86,250 | 0 | |
| May 12 2016 | ERII | Energy Recovery, I ... | MAO ROBERT YU LANG | Director | Buy | M | 3.45 | 25,000 | 86,250 | 122,361 | 97.4 K to 122.4 K (+25.68 %) |
| Mar 15 2016 | ERII | Energy Recovery, I ... | MAO ROBERT YU LANG | Director | Buy | P | 9.45 | 40,000 | 378,160 | 97,361 | 57.4 K to 97.4 K (+69.73 %) |
| Jun 25 2015 | ERII | Energy Recovery, I ... | MAO ROBERT YU LANG | Director | Option Exercise | A | 2.92 | 53,392 | 155,905 | 224,834 | |
| Mar 17 2015 | CY | CYPRESS SEMICONDUC ... | MAO ROBERT YU LANG | Director | Option Exercise | M | 0.00 | 18,421 | 0 | 0 | |
| Mar 17 2015 | CY | CYPRESS SEMICONDUC ... | MAO ROBERT YU LANG | Director | Option Exercise | M | 0.00 | 18,421 | 0 | 0 | |
| Mar 17 2015 | CY | CYPRESS SEMICONDUC ... | MAO ROBERT YU LANG | Director | Buy | M | 0.00 | 18,421 | 0 | 36,842 | 18.4 K to 36.8 K (+100.00 %) |
| Mar 17 2015 | CY | CYPRESS SEMICONDUC ... | MAO ROBERT YU LANG | Director | Buy | M | 0.00 | 18,421 | 0 | 18,421 | 0 to 18.4 K |
| Apr 14 2010 | COMS | 3COM CORP | MAO ROBERT YU LANG | CEO | Option Exercise | D | 0.00 | 322,000 | 0 | 0 | |
| Apr 14 2010 | COMS | 3COM CORP | MAO ROBERT YU LANG | CEO | Option Exercise | A | 0.00 | 322,000 | 0 | 322,000 | |
| Apr 14 2010 | COMS | 3COM CORP | MAO ROBERT YU LANG | CEO | Option Exercise | D | 4.00 | 644,000 | 2,576,000 | 0 | |
| Apr 14 2010 | COMS | 3COM CORP | MAO ROBERT YU LANG | CEO | Option Exercise | D | 3.92 | 104,500 | 409,640 | 0 | |
| Apr 14 2010 | COMS | 3COM CORP | MAO ROBERT YU LANG | CEO | Option Exercise | D | 2.61 | 2,000,000 | 5,220,000 | 0 | |
| Apr 14 2010 | COMS | 3COM CORP | MAO ROBERT YU LANG | CEO | Sell | D | 0.00 | 1,476,429 | 0 | 0 | 1.5 M to 0 (-100.00 %) |
| Aug 11 2009 | COMS | 3COM CORP | MAO ROBERT YU LANG | CEO | Option Exercise | A | 4.00 | 644,000 | 2,576,000 | 644,000 | |
| May 08 2009 | COMS | 3COM CORP | MAO ROBERT YU LANG | CEO | Payment of Exercise | F | 4.05 | 173,571 | 702,963 | 1,476,429 | 1.7 M to 1.5 M (-10.52 %) |
| Jun 03 2008 | COMS | 3COM CORP | MAO ROBERT YU LANG | CEO | Buy | J | 0.00 | 1,500,000 | 0 | 1,650,000 | 150 K to 1.7 M (+1,000.00 %) |
| Jun 03 2008 | COMS | 3COM CORP | MAO ROBERT YU LANG | CEO | Sell | J | 0.00 | 1,500,000 | 0 | 150,000 | 1.7 M to 150 K (-90.91 %) |
| May 08 2008 | COMS | 3COM CORP | MAO ROBERT YU LANG | CEO | Option Exercise | A | 2.61 | 2,000,000 | 5,220,000 | 2,000,000 | |
| May 08 2008 | COMS | 3COM CORP | MAO ROBERT YU LANG | CEO | Grant | A | 0.00 | 1,500,000 | 0 | 1,650,000 | 150 K to 1.7 M (+1,000.00 %) |
| Apr 01 2008 | COMS | 3COM CORP | MAO ROBERT YU LANG | Director | Buy | P | 2.24 | 37,600 | 84,224 | 150,000 | 112.4 K to 150 K (+33.45 %) |
| Apr 01 2008 | COMS | 3COM CORP | MAO ROBERT YU LANG | Director | Buy | P | 2.24 | 400 | 894 | 112,400 | 112 K to 112.4 K (+0.36 %) |
| Apr 01 2008 | COMS | 3COM CORP | MAO ROBERT YU LANG | Director | Buy | P | 2.23 | 36,700 | 81,841 | 112,000 | 75.3 K to 112 K (+48.74 %) |
| Apr 01 2008 | COMS | 3COM CORP | MAO ROBERT YU LANG | Director | Buy | P | 2.23 | 1,300 | 2,893 | 75,300 | 74 K to 75.3 K (+1.76 %) |
| Apr 01 2008 | COMS | 3COM CORP | MAO ROBERT YU LANG | Director | Buy | P | 2.22 | 21,400 | 47,508 | 74,000 | 52.6 K to 74 K (+40.68 %) |
| Apr 01 2008 | COMS | 3COM CORP | MAO ROBERT YU LANG | Director | Buy | P | 2.22 | 400 | 886 | 52,600 | 52.2 K to 52.6 K (+0.77 %) |
| Apr 01 2008 | COMS | 3COM CORP | MAO ROBERT YU LANG | Director | Buy | P | 2.21 | 42,448 | 93,810 | 52,200 | 9.8 K to 52.2 K (+435.27 %) |
| Apr 01 2008 | COMS | 3COM CORP | MAO ROBERT YU LANG | Director | Buy | P | 2.21 | 300 | 662 | 9,752 | 9.5 K to 9.8 K (+3.17 %) |
| Apr 01 2008 | COMS | 3COM CORP | MAO ROBERT YU LANG | Director | Buy | P | 2.20 | 9,452 | 20,794 | 9,452 | 0 to 9.5 K |
| Mar 29 2007 | COMS | 3COM CORP | MAO ROBERT YU LANG | Director | Option Exercise | A | 3.92 | 25,000 | 98,000 | 104,500 | |
| Mar 29 2007 | COMS | 3COM CORP | MAO ROBERT YU LANG | Director | Option Exercise | A | 3.92 | 79,500 | 311,640 | 79,500 | |
| Mar 27 2007 | COMS | 3COM CORP | MAO ROBERT YU LANG | Director | Option Exercise | D | 4.45 | 750,000 | 3,337,500 | 250,000 | |
| Sep 07 2006 | COMS | 3COM CORP | MAO ROBERT YU LANG | EVP Corp Developmen ... | Option Exercise | A | 4.45 | 1,000,000 | 4,450,000 | 1,000,000 | |
| Jul 30 2003 | NT | NORTEL NETWORKS CO ... | MAO ROBERT YU LANG | President & CEO, No ... | Payment of Exercise | F | 2.92 | 78,368 | 228,835 | 166,632 | 245 K to 166.6 K (-31.99 %) |
| Jul 30 2003 | NT | NORTEL NETWORKS CO ... | MAO ROBERT YU LANG | President & CEO, No ... | Grant | A | 0.00 | 136,632 | 0 | 166,632 | 30 K to 166.6 K (+455.44 %) |
| Jul 30 2003 | NT | NORTEL NETWORKS CO ... | MAO ROBERT YU LANG | President & CEO, No ... | Payment of Exercise | F | 2.92 | 78,368 | 228,835 | 166,632 | 245 K to 166.6 K (-31.99 %) |
| Jul 30 2003 | NT | NORTEL NETWORKS CO ... | MAO ROBERT YU LANG | President & CEO, No ... | Grant | A | 0.00 | 136,632 | 0 | 166,632 | 30 K to 166.6 K (+455.44 %) |
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