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ARDSLEY ADVISORY PARTNERS
- As of  05/15/24, 11:44:01 AM:   93 Insider Transactions.

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Buy/Sell* 1 Yr Return** Filed Date Subject Symbol Pct Owned Details
B 2020-02-07 16:21:37.0 Just Energy Group Inc n/a 5.84% view
S 2020-02-07 14:27:55.0 MARRONE BIO INNOVATIONS INC MBII 12.41% view
S 2019-10-28 16:30:46.0 SunOpta Inc STIL 13.66% view
S 2019-02-12 15:05:16.0 SunOpta Inc MBII 13.57% view
S 2018-02-07 10:43:02.0 BioScrip BIOS 0.07% view
S 2018-01-26 09:55:09.0 MARRONE BIO INNOVATIONS INC AMSC 1.5% view
B 2017-05-08 15:57:27.0 AMERICAN SUPERCONDUCTOR CORP MBII 12.1% view
S 2017-02-14 12:53:50.0 APPLIED OPTOELECTRONICS BIOS 5.4% view
B 2016-02-16 15:10:01.0 BioScrip BIOS 9.9% view
S 2016-02-16 15:07:10.0 Bluerock Residential Growth REIT BRG 3.4% view
S 2016-02-16 15:05:15.0 Hannon Armstrong Sustainable Infrastructure Capital HASI 4.1% view
B 2015-04-16 16:57:03.0 APPLIED OPTOELECTRONICS AAOI 6.3% view
B 2015-02-17 16:35:20.0 Hannon Armstrong Sustainable Infrastructure Capital HASI 8.5% view
S 2015-02-17 16:14:03.0 INDEPENDENCE REALTY TRUST XWES 0.0% view
B 2015-02-09 16:16:42.0 BioScrip IRT 5.4% view
S 2014-03-13 17:15:46.0 World Energy Solutions ACPW 0.0% view
B 9.22% 2014-02-14 14:57:05.0 EnteroMedics Inc HASI 7.9% view
S 2014-02-14 14:54:53.0 Hi HCLP 0.6% view
S 2014-02-14 14:52:40.0 YUHE INTERNATIONAL YUII 3.7% view
B 30.83% 2014-01-10 09:00:05.0 SUPERNUS PHARMACEUTICALS INC SUPN 5.7% view
B 16.19% 2013-08-19 14:39:47.0 Hannon Armstrong Sustainable Infrastructure Capital HASI 5.4% view
S 2013-04-10 17:20:25.0 ZBB ENERGY CORP ZBB 3.5% view
B 46.45% 2013-02-13 14:01:49.0 SABA SOFTWARE INC SABA 8.1% view
S 2013-02-13 13:47:36.0 Hi ETRM 7.5% view
S 2013-02-13 13:34:48.0 World Energy Solutions COMV 0.0% view
B 53.65% 2012-12-27 10:58:58.0 SABA SOFTWARE INC SABA 5.3% view
B 2012-03-16 12:41:25.0 ACTIVE POWER INC COMV 12.7% view
B 14.88% 2012-02-13 17:50:39.0 World Energy Solutions XWES 6.6% view
B -4.26% 2012-02-13 17:46:00.0 EnteroMedics Inc AMRN 5.8% view
B -57.14% 2012-02-13 17:37:46.0 QKL Stores Inc WATG 5.9% view
S 2012-02-10 17:28:21.0 YUHE INTERNATIONAL CNYD 1.2% view
S 2012-02-10 17:26:15.0 ECOTALITY CVVT 1.9% view
B 2012-02-10 17:21:50.0 COMVERGE COMV 12.7% view
B 2011-12-15 10:27:01.0 AMARIN CORP PLC AMRN 5.3% view
B -57.59% 2011-04-20 13:12:47.0 World Energy Solutions XWES 5.13% view
S 2011-02-14 21:50:04.0 China Information Technology ZBB 13.37% view
S 2011-02-14 18:52:10.0 ECOTALITY WATG 4.8% view
B -86.98% 2011-02-14 18:51:02.0 Yongye International YUII 15.23% view
B 43.64% 2011-01-14 15:37:03.0 ZBB ENERGY CORP ZBB 15.31% view
S 2010-10-21 15:37:23.0 Wonder Auto Technology WATG 5.17% view
B 2010-08-16 17:15:00.0 QKL Stores Inc FCPL 5.39% view
S 2010-02-16 11:30:30.0 ZHONGPIN INC HOGS 3.63% view
S 2010-02-16 11:25:29.0 YUHE INTERNATIONAL YGII 11.22% view
S 2010-02-16 11:22:09.0 Yucheng Technologies LTD YTEC 5.61% view
B 2010-01-19 17:24:20.0 ECOTALITY ETLY 10.3% view
B 2009-05-14 15:01:35.0 CS China Acquisition Corp n/a 9.72% view
B 15.99% 2008-08-01 17:01:12.0 Harbin Electric HRBN 5.94% view
B -66.08% 2008-06-20 16:59:55.0 ZBB ENERGY CORP ZBB 5.04% view
B 2008-06-10 13:39:51.0 YUHE INTERNATIONAL n/a 7.3% view
B 2008-06-10 13:36:23.0 China Solar & Clean Energy Solutions DLSL 12.69% view
B 2008-06-02 17:29:42.0 Wonder Auto Technology n/a 5.93% view
B -80.00% 2008-02-14 17:02:59.0 SMART BALANCE HYDG 4.32% view
B 2008-02-14 15:40:26.0 ENVIRONMENTAL POWER CORP YTEC 6.28% view
B -59.49% 2008-02-14 15:35:24.0 CHINA AGRITECH INC LYTS 5.04% view
B -43.27% 2008-02-14 15:30:37.0 ATS CORP ATCT 15.7% view
B 2007-05-02 18:05:50.0 LIGHTING SCIENCE GROUP CORP LSGP 13.4% view
B -76.26% 2007-02-14 13:12:53.0 HydroGen CORP HYDG 2.66% view
S 2007-02-14 13:11:12.0 SOLUTIA INC n/a n/a view
S 2007-02-14 13:09:06.0 KONGZHONG CORP PONR 0.0% view
B 4.60% 2006-09-29 11:01:27.0 TRONOX INC CAQ 6.12% view
B -45.72% 2006-02-15 00:00:00.0 Origin Agritech LTD SEED 5.28% view
S 2006-02-15 00:00:00.0 W R GRACE & CO IES 0.0% view
B -31.70% 2006-02-15 00:00:00.0 CORAUTUS GENETICS INC UBET 6.29% view
B -75.93% 2006-02-15 00:00:00.0 VAXGEN INC VXGN 5.04% view
B 1.90% 2006-02-15 00:00:00.0 PIONEER COMPANIES INC PONR 6.57% view
B 2005-02-11 00:00:00.0 INTEGRATED ELECTRICAL SERVICES INC IES 5.2% view
B 21.51% 2005-02-11 00:00:00.0 PIONEER COMPANIES INC PONR 6.1% view
S 2004-09-02 00:00:00.0 OWENS CORNING OWENQ n/a view
B 2004-02-17 00:00:00.0 CORAUTUS GENETICS INC CAQ 9.9% view
B 218.82% 2003-05-19 00:00:00.0 OM GROUP INC OMG 10.11% view
S 2002-02-14 00:00:00.0 DAVITA INC DVA 3.07% view
S 2001-02-15 00:00:00.0 ALPINE GROUP INC APNI n/a view
S 2001-02-15 00:00:00.0 ALLSCRIPTS HEALTHCARE SOLUTIONS INC MDRX 7.18% view
S 2001-02-15 00:00:00.0 ALPINE GROUP INC APNI n/a view
B -53.08% 2001-02-14 00:00:00.0 ALLSCRIPTS HEALTHCARE SOLUTIONS INC MDRX 7.18% view
B -18.03% 2000-02-14 00:00:00.0 CONSOLIDATED GRAPHICS INC cgx 6.4% view
B 301.87% 2000-02-14 00:00:00.0 TOTAL RENAL CARE HOLDINGS INC DVA 5.9% view
S 1999-02-16 00:00:00.0 MEDAPHIS CORP PSTI 7.5% view
S 1999-02-16 00:00:00.0 VIVUS INC VVUS n/a view
S 1998-02-09 00:00:00.0 CYTOTHERAPEUTICS INC STEM n/a view
S 1998-02-09 00:00:00.0 MERIDIAN RESOURCE CORP TMR 3.75% view
S 1998-02-09 00:00:00.0 NEORX CORP nerx n/a view
B -42.38% 1998-02-09 00:00:00.0 FIRSTBANK CORP FBMI 5.04% view
B -41.94% 1997-03-10 00:00:00.0 VIVUS INC MYGN 12.1% view
B 1997-02-10 00:00:00.0 ICG COMMUNICATIONS INC ICGC 5.1% view
S 1997-02-10 00:00:00.0 TEXAS MERIDIAN RESOURCES CORPORATION nerx 9.5% view
S 1997-02-10 00:00:00.0 CYTYC CORP SYMC n/a view
S 1996-08-23 00:00:00.0 TESORO PETROLEUM CORP TSO 5.99% view
S 1996-04-12 00:00:00.0 GENERAL DATACOMM INDUSTRIES INC GNRD n/a view
B -37.27% 1996-02-13 00:00:00.0 CYTOTHERAPEUTICS INC STEM 6.2% view
S 1996-02-13 00:00:00.0 NEORX CORP nerx 9.8% view
B 1996-02-13 00:00:00.0 SYMANTEC CORP GNRD 6.9% view
B 1995-02-13 00:00:00.0 TESORO PETROLEUM CORP nerx 9.9% view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.
** Since most institutions are long investors, only returns for long transactions are shown here.