Mao Robert Yu Lang
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Mao Robert Yu Lang. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| ERII | Option Exercise | 10,752 | $7.79 | $83,758 | May 23, 2024 | |
| ERII | Option Exercise | 15,879 | $8.49 | $134,813 | Mar 4, 2024 | |
| ERII | Sale | 39,314 | $15.58 | $612,512 | Mar 1, 2024 | |
| ERII | Option Exercise | 26,662 | $7.79 | $207,697 | Nov 8, 2023 | |
| ERII | Option Exercise | 121,383 | $13.96 | $1,694,507 | Nov 7, 2023 | |
| ERII | President and CEO | Award / Grant | 4,153 | — | — | Oct 26, 2023 |
| ERII | President and CEO | Award / Grant | 32,695 | — | — | Jul 25, 2023 |
| ERII | President and CEO | Award / Grant | 14,012 | $21.41 | $299,997 | Jan 30, 2023 |
| ERII | President and CEO | Option Exercise | 15,236 | $5.43 | $82,731 | Aug 9, 2022 |
| ERII | President and CEO | Gift | 121,403 | — | — | Sep 29, 2021 |
| ERII | President and CEO | Gift | 121,403 | — | — | Sep 29, 2021 |
| ERII | President and CEO | Option Exercise | 45,708 | $2.49 | $113,813 | Dec 11, 2020 |
| ERII | Option Exercise | 39,042 | $2.61 | $101,900 | May 15, 2019 | |
| ERII | Purchase | 20,000 | $7.53 | $150,600 | Mar 14, 2017 | |
| ERII | Option Exercise | 25,000 | $3.45 | $86,250 | May 11, 2016 | |
| ERII | Purchase | 40,000 | $9.45 | $378,000 | Mar 11, 2016 | |
| 0000791915 | Option Exercise | 18,421 | — | — | Mar 15, 2015 | |
| ERII | Purchase | 2,200 | $4.58 | $10,076 | May 20, 2014 | |
| ERII | Sale | 7,361 | $2.67 | $19,654 | Jun 14, 2011 | |
| ERII | Purchase | 7,361 | $2.67 | $19,654 | Jun 14, 2011 | |
| 0000738076 | CEO | Disposition | 1,476,429 | — | — | Apr 12, 2010 |
| 0000738076 | CEO | Tax Withholding | 173,571 | $4.05 | $702,963 | May 6, 2009 |
| 0000738076 | CEO | Other | 1,500,000 | — | — | Jun 3, 2008 |
| 0000738076 | CEO | Award / Grant | 1,500,000 | — | — | May 6, 2008 |
| 0000738076 | Purchase | 21,400 | $2.22 | $47,508 | Mar 28, 2008 | |
| 0000072911 | President & CEO, Greater China | Other | 35,096 | $2.98 | $104,586 | Feb 15, 2006 |