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Insider Roster
- Zhentao Gao, Chief Executive Officer, 2011-06-14
- Gang Hu, Chief Financial Officer, 2011-06-14
- Greg Huett, Director, 2011-06-08
- Partners Advisory Ardsley, Large Shareholder, Other, 2011-02-15
- Ardsley Partners Institutional Fund, L.p., Large Shareholder, 2011-02-15
- Ardsley Partners I Lp, Large Shareholder, 2011-02-15
- Ardsley Renewable Energy Offshore Fund, Ltd., Large Shareholder, 2011-02-15
- Ardsley Partners Renewable Energy Fund, L.p., Large Shareholder, 2011-02-15
- Ardsley Offshore Fund, Ltd., Large Shareholder, 2011-02-15
- J Philip Hempleman, Large Shareholder, 2011-02-15
- Ardsley Partners Fund Ii, L.p., Large Shareholder, 2011-02-15
- Peter Li, Director, 2010-11-04
- Yaojun Liu, Director, 2010-11-04
- Kunio Yamamoto, Other, 2010-10-22
- Yingjun Jiang, Chief Accounting Officer, 2010-10-14
- Chengxiang Han, Chief Production Officer, 2010-10-14
- Ltd. Fund Capitalization Small River Black, Large Shareholder, 2009-07-01
- M Barry Kitt, Large Shareholder, 2009-06-30
- Ltd. Fund Select Commodity River Black, Large Shareholder, 2009-06-22
Show All Insiders (19) Filing Period:
| No. | Hedge Fund | Shares | Value | Activity | % Port |
| 1. | | 0 | $0 | | 0% |
| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Large Shareholder, Officer, Director | $3.79 | 7,300 | $27,691.09 | 7,259,340 | 2011-06-13 | Filing |
| Large Shareholder, Officer, Director | $4.14 | 6,000 | $24,844.20 | 7,252,040 | 2011-06-10 | Filing |
| Large Shareholder, Officer, Director | $4.23 | 5,000 | $21,150.00 | 7,246,040 | 2011-06-10 | Filing |
| Large Shareholder, Officer, Director | $4.30 | 5,000 | $21,492.00 | 7,241,040 | 2011-06-10 | Filing |
| Large Shareholder, Officer, Director | $4.29 | 5,000 | $21,441.00 | 7,236,040 | 2011-06-10 | Filing |
| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Large Shareholder, Other | $8.02 | 7,200 | $57,744.00 | 2,121,950 | 2010-06-29 | Filing |
| Large Shareholder, Other | $8.02 | 17,800 | $142,756.00 | 2,129,150 | 2010-06-29 | Filing |
| Large Shareholder, Other | $8.97 | 10,000 | $89,650.00 | 2,111,450 | 2010-06-02 | Filing |
| Large Shareholder, Other | $8.12 | 21,600 | $175,284.00 | 1,985,250 | 2020-05-19 | Filing |
| Large Shareholder, Other | $8.12 | 53,400 | $433,341.00 | 2,006,850 | 2010-05-19 | Filing |
Filing Period:
| No. | Name | Shares | Value | % Port |
| 1. | | 0 | $0 | 0% |
| 2. | | 0 | $0 | 0% |