SEC Form 4 · Updated Daily
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Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| CHEN SI | 10%+ Owner · Director · Officer | 14,760,785 | 2015-05-18 | A |
| DEG - Deutsche Investitions- und Entwicklungsgesellschaft mbH | 10%+ Owner | 10,794,066 | 2016-09-07 | — |
| KfW | 10%+ Owner | 10,794,066 | 2016-09-07 | — |
| Xiangtian Aerodynamic Electricity Ltd. | 10%+ Owner | 6,000,000 | 2023-06-29 | S |
| Zhou Bin | 10%+ Owner · Director | 2,594,200 | 2025-10-14 | P |
| CONONELOS TERRY | 10%+ Owner · Director · Officer | 1,875,456 | 2007-05-04 | J |
| COCORINIS DIMITRI | 10%+ Owner · Director · Officer | 1,836,925 | 2007-05-04 | J |
| AKAZAWA HISASHI | 10%+ Owner | 1,631,057 | 2008-12-22 | O |
| Yu Hongxiang | 10%+ Owner · Director · Officer | 1,176,471 | 2018-10-16 | P |
| Jin Yimin | 10%+ Owner · Director · Officer | 1,176,471 | 2018-10-16 | P |
| Zhou Xiang | Officer | 30,000 | 2015-05-18 | A |
| Yundong Lu | Director · Officer | 10,727 | 2015-05-18 | A |
| Maoquan Wei | Director | 10,174 | 2015-05-18 | A |
| Yin Dekai | Director | 10,000 | 2015-05-18 | A |
| Jin Yilun | Officer | 5,460 | 2009-07-27 | A |
| Chiang David Yaudoon | Director | 174 | 2009-07-27 | A |
| Chen Hao | Director | 174 | 2009-07-27 | A |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2025-10-14 | Zhou Bin | Open-market buy | 1,100,000 | $0.00 | 2,594,200 |
| 2023-06-29 | Xiangtian Aerodynamic Electricity Ltd. | Open-market sale | 6,000,000 | $0.46 | 6,000,000 |
| 2022-12-07 | Zhou Bin | Open-market buy | 5,000,000 | $0.56 | 2,800,000 |
| 2022-07-27 | Zhou Bin | Open-market buy | 880,000 | $1.61 | 9,942,000 |
| 2022-07-22 | Zhou Bin | Open-market buy | 4,800,000 | $1.50 | 9,062,000 |
| 2021-09-27 | Zhou Bin | Open-market buy | 1,320,000 | $2.60 | 4,262,000 |
| 2021-05-25 | Zhou Bin | Open-market buy | 1,320,000 | $2.50 | 2,942,000 |
| 2020-08-27 | Zhou Bin | Open-market buy | 650,000 | $2.60 | 1,622,000 |
| 2019-05-14 | Zhou Bin | J | 972,000 | $4.20 | 972,000 |
| 2018-10-16 | Jin Yimin | Open-market buy | 1,176,471 | $4.25 | 1,176,471 |
| 2018-10-16 | Yu Hongxiang | Open-market buy | 1,176,471 | $4.25 | 1,176,471 |
| 2016-09-07 | KfW | — | — | — | 10,794,066 |
| 2016-09-07 | DEG - Deutsche Investitions- und Entwicklungsgesellschaft mbH | — | — | — | 10,794,066 |
| 2015-05-18 | Zhou Xiang | Grant / award | 30,000 | $0.00 | 30,000 |
| 2015-05-18 | CHEN SI | Grant / award | 10,000 | $0.00 | 14,760,785 |
| 2015-05-18 | Yundong Lu | Grant / award | 10,000 | $0.00 | 10,727 |
| 2015-05-18 | Yin Dekai | Grant / award | 10,000 | $0.00 | 10,000 |
| 2015-05-18 | Maoquan Wei | Grant / award | 10,000 | $0.00 | 10,174 |
| 2014-10-28 | Zhou Xiang | Grant / award (derivative) | 57,695 | $0.00 | 57,695 |
| 2009-11-16 | CHEN SI | Open-market sale | 95,834 | $2.40 | 16,108,589 |
| 2009-07-27 | Chen Hao | Grant / award (derivative) | 8,060 | $0.00 | 8,060 |
| 2009-07-27 | Chen Hao | Grant / award | 174 | $0.00 | 174 |
| 2009-07-27 | Maoquan Wei | Grant / award (derivative) | 8,060 | $0.00 | 8,060 |
| 2009-07-27 | Maoquan Wei | Grant / award | 174 | $0.00 | 174 |
| 2009-07-27 | Jin Yilun | Grant / award (derivative) | 21,248 | $0.00 | 21,248 |
| 2009-07-27 | Jin Yilun | Grant / award | 460 | $0.00 | 5,460 |
| 2009-07-27 | Yundong Lu | Grant / award (derivative) | 33,580 | $0.00 | 33,580 |
| 2009-07-27 | Yundong Lu | Grant / award | 727 | $0.00 | 727 |
| 2009-07-27 | Chiang David Yaudoon | Grant / award (derivative) | 8,060 | $0.00 | 8,060 |
| 2009-07-27 | Chiang David Yaudoon | Grant / award | 174 | $0.00 | 174 |
| 2009-06-11 | CHEN SI | Open-market sale | 103,449 | $1.45 | 16,204,423 |
| 2008-12-22 | CHEN SI | O (derivative) | 14,676,815 | $0.00 | 0 |
| 2008-12-22 | CHEN SI | Open-market buy | 1,631,057 | $0.00 | 16,307,872 |
| 2008-12-22 | CHEN SI | O | 14,676,815 | $0.00 | 14,676,815 |
| 2008-12-22 | AKAZAWA HISASHI | O (derivative) | 14,676,815 | $0.00 | 0 |
| 2008-12-22 | AKAZAWA HISASHI | Open-market sale | 1,631,057 | $0.00 | 0 |
| 2008-12-22 | AKAZAWA HISASHI | O | 14,676,815 | $0.00 | 1,631,057 |
| 2008-09-22 | Jin Yilun | — | — | — | 5,000 |
| 2007-07-17 | AKAZAWA HISASHI | Conversion (derivative) | 697,663 | $0.00 | 0 |
| 2007-07-17 | AKAZAWA HISASHI | Conversion | 16,307,872 | $0.00 | 16,307,872 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.