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ARDSLEY ADVISORY PARTNERS
- As of  04/27/24, 03:54:38 AM:   195 Insider Transactions.

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Buy/Sell* 1 Yr Return** Filed Date Subject Symbol Pct Owned Details
B 2020-02-07 16:31:43.0 USA TECHNOLOGIES INC USAT 8.08% view
B 2020-02-07 16:21:37.0 Just Energy Group Inc n/a 5.84% view
B 2020-02-07 15:45:47.0 SunOpta Inc STIL 13.76% view
B 2020-02-07 14:27:55.0 MARRONE BIO INNOVATIONS INC MBII 12.41% view
S 2019-12-31 15:02:50.0 MARRONE BIO INNOVATIONS INC MBII 11.51% view
B 2019-10-28 16:30:46.0 SunOpta Inc STIL 13.6% view
B 2019-09-12 17:14:56.0 MARRONE BIO INNOVATIONS INC MBII 13.66% view
S 2019-08-19 17:08:35.0 MARRONE BIO INNOVATIONS INC MBII 13.49% view
B 2019-02-12 15:05:16.0 SunOpta Inc STIL 5.85% view
S 2019-02-12 15:04:10.0 MARRONE BIO INNOVATIONS INC MBII 13.57% view
B 2018-02-07 10:43:02.0 MARRONE BIO INNOVATIONS INC MBII 14.61% view
S 2018-01-26 09:56:19.0 BioScrip BIOS 0.07% view
S 2018-01-26 09:55:09.0 MARRONE BIO INNOVATIONS INC MBII 11.74% view
S 2018-01-26 09:53:39.0 AMERICAN SUPERCONDUCTOR CORP AMSC 1.5% view
B 2017-05-08 15:57:27.0 AMERICAN SUPERCONDUCTOR CORP AMSC 7.4% view
B 2017-05-05 14:47:11.0 MARRONE BIO INNOVATIONS INC MBII 12.1% view
S 2017-02-14 12:53:50.0 APPLIED OPTOELECTRONICS AAOI n/a view
S 2017-02-14 12:53:04.0 BioScrip BIOS 5.4% view
S 2016-02-16 15:10:01.0 SUPERNUS PHARMACEUTICALS INC SUPN n/a view
B 2016-02-16 15:08:52.0 BioScrip BIOS 9.9% view
B 2016-02-16 15:07:10.0 APPLIED OPTOELECTRONICS AAOI 6.9% view
S 2016-02-16 15:06:12.0 Bluerock Residential Growth REIT BRG 3.4% view
S 2016-02-16 15:05:15.0 INDEPENDENCE REALTY TRUST IRT 1.4% view
S 2016-02-16 15:03:48.0 Hannon Armstrong Sustainable Infrastructure Capital HASI 4.1% view
B 2015-04-16 16:57:03.0 Bluerock Residential Growth REIT n/a 5.0% view
B 2015-02-20 11:34:34.0 APPLIED OPTOELECTRONICS AAOI 6.3% view
B 2015-02-17 16:35:20.0 SUPERNUS PHARMACEUTICALS INC SUPN 6.6% view
B 2015-02-17 16:23:45.0 Hannon Armstrong Sustainable Infrastructure Capital HASI 8.5% view
S 2015-02-17 16:20:46.0 SABA SOFTWARE INC SABA 10.7% view
S 2015-02-17 16:17:40.0 EnteroMedics Inc ETRM 0.1% view
B 2015-02-17 16:14:03.0 INDEPENDENCE REALTY TRUST IRT 5.6% view
S 2015-02-17 16:09:13.0 World Energy Solutions XWES 0.0% view
B 2015-02-09 16:16:42.0 BioScrip BIOS 5.1% view
B 2014-12-10 17:16:02.0 INDEPENDENCE REALTY TRUST IRT 5.4% view
B 15.43% 2014-03-13 17:15:46.0 World Energy Solutions XWES 7.3% view
S 2014-02-14 14:57:56.0 ACTIVE POWER INC ACPW 0.0% view
B -45.00% 2014-02-14 14:57:05.0 EnteroMedics Inc ETRM 9.8% view
B 9.22% 2014-02-14 14:55:47.0 Hannon Armstrong Sustainable Infrastructure Capital HASI 7.9% view
B -30.63% 2014-02-14 14:54:53.0 SABA SOFTWARE INC SABA 11.1% view
S 2014-02-14 14:53:31.0 Hi HCLP 0.6% view
S 2014-02-14 14:52:40.0 Canadian Solar Inc n/a 3.9% view
S 2014-02-14 14:51:02.0 YUHE INTERNATIONAL YUII 3.7% view
B 23.81% 2014-01-10 09:00:05.0 World Energy Solutions XWES 7.3% view
B 30.83% 2013-12-12 17:11:16.0 SUPERNUS PHARMACEUTICALS INC SUPN 5.7% view
B 2013-08-19 14:39:47.0 Canadian Solar Inc n/a 5.3% view
B 16.19% 2013-05-28 11:58:27.0 Hannon Armstrong Sustainable Infrastructure Capital HASI 5.4% view
B 58.73% 2013-04-10 17:20:25.0 SABA SOFTWARE INC SABA 10.7% view
S 2013-02-13 14:05:53.0 ZBB ENERGY CORP ZBB 3.5% view
S 2013-02-13 14:01:49.0 AMARIN CORP PLC AMRN 0.0% view
B 46.45% 2013-02-13 13:55:51.0 SABA SOFTWARE INC SABA 8.1% view
B -27.04% 2013-02-13 13:51:30.0 ACTIVE POWER INC ACPW 7.8% view
B 123.56% 2013-02-13 13:47:36.0 Hi HCLP 6.3% view
S 2013-02-13 13:42:32.0 EnteroMedics Inc ETRM 7.5% view
B -14.74% 2013-02-13 13:34:48.0 World Energy Solutions XWES 6.6% view
S 2013-02-06 16:09:55.0 COMVERGE COMV 0.0% view
B 140.30% 2012-12-27 10:58:58.0 Hi HCLP 5.2% view
B 53.65% 2012-12-14 16:15:18.0 SABA SOFTWARE INC SABA 5.3% view
B 491.36% 2012-03-16 12:41:25.0 ACTIVE POWER INC ACPW 7.6% view
B 2012-03-01 07:43:39.0 COMVERGE COMV 12.7% view
S 2012-02-13 17:50:39.0 ZBB ENERGY CORP ZBB 7.1% view
B 14.88% 2012-02-13 17:48:30.0 World Energy Solutions XWES 6.6% view
B -41.82% 2012-02-13 17:46:00.0 EnteroMedics Inc ETRM 7.7% view
B -4.26% 2012-02-13 17:40:32.0 AMARIN CORP PLC AMRN 5.8% view
S 2012-02-13 17:37:46.0 QKL Stores Inc FCPL 0.0% view
B -57.14% 2012-02-13 17:34:46.0 Wonder Auto Technology WATG 5.9% view
S 2012-02-10 17:28:21.0 YUHE INTERNATIONAL YUII 11.4% view
S 2012-02-10 17:27:56.0 CHINA YIDA HOLDING CNYD 1.2% view
S 2012-02-10 17:26:15.0 ECOTALITY ECTY 3.4% view
S 2012-02-10 17:25:46.0 CHINA VALVES TECHNOLOGY CVVT 1.9% view
S 2012-02-10 17:21:50.0 Yongye International YONG 0.0% view
B 2012-01-06 17:29:20.0 COMVERGE COMV 12.7% view
S 2011-12-15 10:27:01.0 COMVERGE COMV 6.6% view
B 51.08% 2011-11-14 16:15:38.0 AMARIN CORP PLC AMRN 5.3% view
B 2011-08-11 15:04:56.0 COMVERGE COMV 6.9% view
B -4.44% 2011-04-20 13:12:47.0 World Energy Solutions XWES 5.17% view
B -57.59% 2011-04-11 10:40:33.0 COMVERGE COMV 5.13% view
S 2011-02-14 21:50:04.0 China Information Technology CPBY 0.0% view
S 2011-02-14 18:52:49.0 ZBB ENERGY CORP ZBB 13.37% view
B -65.77% 2011-02-14 18:52:10.0 ECOTALITY ECTY 9.99% view
S 2011-02-14 18:52:03.0 Wonder Auto Technology WATG 4.8% view
S 2011-02-14 18:51:02.0 Yongye International YONG 5.85% view
B -86.98% 2011-02-14 18:42:08.0 YUHE INTERNATIONAL YUII 15.23% view
B -37.46% 2011-01-14 15:37:03.0 EnteroMedics Inc ETRM 5.03% view
B 43.64% 2010-10-25 16:09:24.0 ZBB ENERGY CORP ZBB 15.31% view
B -71.08% 2010-10-21 15:37:23.0 CHINA VALVES TECHNOLOGY CVVT 5.4% view
S 2010-08-18 17:17:58.0 Wonder Auto Technology WATG 5.17% view
B -63.18% 2010-08-16 17:15:00.0 CHINA YIDA HOLDING CNYD 5.31% view
B 2010-04-16 15:40:29.0 QKL Stores Inc FCPL 5.39% view
S 2010-02-16 11:30:30.0 ENVIRONMENTAL POWER CORP EPG 2.86% view
S 2010-02-16 11:27:00.0 ZHONGPIN INC HOGS 3.63% view
B 2010-02-16 11:25:29.0 YUHE INTERNATIONAL YUII 7.76% view
S 2010-02-16 11:23:53.0 Yongye International YGII 11.22% view
S 2010-02-16 11:22:09.0 ECOTALITY ETLY 1.22% view
S 2010-02-16 11:20:16.0 Yucheng Technologies LTD YTEC 5.61% view
B 2010-01-19 17:24:20.0 China Information Security Technology CPBY 6.4% view
B 2009-11-24 18:05:12.0 ECOTALITY ETLY 10.3% view
B 35.04% 2009-05-14 15:01:35.0 ZHONGPIN INC HOGS 5.11% view
B 2008-08-20 14:49:43.0 CS China Acquisition Corp n/a 9.72% view
B 25.81% 2008-08-01 17:01:12.0 Comverge COMV 5.09% view
B 15.99% 2008-07-08 15:32:17.0 Harbin Electric HRBN 5.94% view
B 2008-06-20 16:59:55.0 VeruTEK Technologies VTKT 6.27% view
B -66.08% 2008-06-20 16:49:55.0 ZBB ENERGY CORP ZBB 5.04% view
B 2008-06-10 13:39:51.0 Genesis Pharmaceuticals Enterprises n/a 6.64% view
B 2008-06-10 13:38:07.0 YUHE INTERNATIONAL n/a 7.3% view
B 2008-06-10 13:36:23.0 Yongye Biotechnology International n/a 13.97% view
B 2008-06-02 17:31:14.0 China Solar & Clean Energy Solutions DLSL 12.69% view
B 2008-06-02 17:29:42.0 China Green Agriculture DCOV 5.87% view
B 2008-06-02 17:20:08.0 Wonder Auto Technology n/a 5.93% view
B -33.45% 2008-02-14 17:02:59.0 SMART BALANCE SMBL 7.29% view
B -80.00% 2008-02-14 17:01:00.0 HydroGen CORP HYDG 4.32% view
B -91.31% 2008-02-14 15:40:26.0 ENVIRONMENTAL POWER CORP EPG 6.25% view
B 2008-02-14 15:37:25.0 Yucheng Technologies LTD YTEC 6.28% view
B 2008-02-14 15:35:24.0 CHINA AGRITECH INC CAGC 6.45% view
B -59.49% 2008-02-14 15:33:17.0 LSI INDUSTRIES INC LYTS 5.04% view
B -45.95% 2008-02-14 15:30:37.0 TRONOX INC TRX 6.68% view
B -43.27% 2007-05-22 11:02:22.0 ATS CORP ATCT 15.7% view
B 2007-05-02 18:05:50.0 LIGHTING SCIENCE GROUP CORP LSGP 13.4% view
S 2007-02-14 13:13:41.0 TRONOX INC n/a 5.52% view
B -36.19% 2007-02-14 13:12:53.0 HydroGen CORP HYDG 2.66% view
B -76.26% 2007-02-14 13:11:59.0 VAXGEN INC VXGN 5.44% view
B 2007-02-14 13:11:12.0 SOLUTIA INC n/a 6.99% view
S 2007-02-14 13:10:08.0 YOUBET COM INC UBET n/a view
B 2007-02-14 13:09:06.0 KONGZHONG CORP n/a n/a view
S 2007-02-14 13:08:03.0 PIONEER COMPANIES INC PONR 0.0% view
B 2006-09-29 11:01:27.0 TRONOX INC n/a 5.56% view
B 4.60% 2006-03-21 00:00:00.0 CORAUTUS GENETICS INC CAQ 6.12% view
B -45.48% 2006-02-15 00:00:00.0 Origin Agritech LTD SEED 5.11% 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 GRA 4.21% view
S 2006-02-15 00:00:00.0 INTEGRATED ELECTRICAL SERVICES INC IES 0.0% view
S 2006-02-15 00:00:00.0 CORAUTUS GENETICS INC CAQ 3.88% view
B -31.70% 2006-02-15 00:00:00.0 YOUBET COM INC UBET 6.29% view
B -31.70% 2006-02-15 00:00:00.0 YOUBET COM INC UBET 6.32% view
B -75.93% 2006-02-15 00:00:00.0 VAXGEN INC VXGN 5.04% view
B -75.93% 2006-02-15 00:00:00.0 VAXGEN INC VXGN 4.95% view
B 1.90% 2006-02-15 00:00:00.0 PIONEER COMPANIES INC PONR 6.57% view
S 2005-02-11 00:00:00.0 W R GRACE & CO GRA 5.2% view
B 2005-02-11 00:00:00.0 INTEGRATED ELECTRICAL SERVICES INC IES 5.2% view
S 2005-02-11 00:00:00.0 CORAUTUS GENETICS INC CAQ 5.2% view
B 21.51% 2005-02-11 00:00:00.0 PIONEER COMPANIES INC PONR 6.1% view
B 34.71% 2004-09-02 00:00:00.0 W R GRACE & CO GRA 5.7% view
S 2004-02-17 00:00:00.0 OWENS CORNING OWENQ n/a view
S 2004-02-17 00:00:00.0 OM GROUP INC OMG 2.3% view
B 2004-01-29 00:00:00.0 CORAUTUS GENETICS INC CAQ 9.9% view
B -37.35% 2003-05-19 00:00:00.0 OWENS CORNING OWENQ 8.5% view
B 218.82% 2002-12-09 00:00:00.0 OM GROUP INC OMG 10.11% view
S 2002-02-14 00:00:00.0 ALLSCRIPTS HEALTHCARE SOLUTIONS INC MDRX 4.9857% 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 ALPINE GROUP INC APNI n/a view
S 2001-02-15 00:00:00.0 CONSOLIDATED GRAPHICS INC cgx 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 DAVITA INC DVA 5.75% view
S 2001-02-14 00:00:00.0 ALPINE GROUP INC APNI n/a view
S 2001-02-14 00:00:00.0 CONSOLIDATED GRAPHICS INC cgx n/a view
B -53.08% 2001-02-14 00:00:00.0 ALLSCRIPTS HEALTHCARE SOLUTIONS INC MDRX 7.18% view
B -78.45% 2000-02-14 00:00:00.0 ALPINE GROUP INC APNI 7.6% view
B -18.03% 2000-02-14 00:00:00.0 CONSOLIDATED GRAPHICS INC cgx 6.4% view
S 2000-02-14 00:00:00.0 PER SE TECHNOLOGIES INC PSTI 4.7% 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 MYRIAD GENETICS INC MYGN n/a view
S 1999-02-16 00:00:00.0 MEDAPHIS CORP PSTI 7.5% view
S 1999-02-16 00:00:00.0 FIRSTBANK CORP FBMI n/a view
S 1998-02-09 00:00:00.0 VIVUS INC VVUS n/a view
S 1998-02-09 00:00:00.0 MYRIAD GENETICS INC MYGN 11.08% view
S 1998-02-09 00:00:00.0 CYTOTHERAPEUTICS INC STEM n/a view
S 1998-02-09 00:00:00.0 ICG COMMUNICATIONS INC ICGC 4.06% view
S 1998-02-09 00:00:00.0 MERIDIAN RESOURCE CORP TMR 3.75% view
B -64.32% 1998-02-09 00:00:00.0 MEDAPHIS CORP PSTI 10.37% view
S 1998-02-09 00:00:00.0 NEORX CORP nerx n/a view
S 1998-02-09 00:00:00.0 CYTYC CORP CYTC n/a view
B -42.38% 1998-02-09 00:00:00.0 FIRSTBANK CORP FBMI 5.04% view
B -81.18% 1997-03-10 00:00:00.0 VIVUS INC VVUS 13.9% view
B -75.80% 1997-02-10 00:00:00.0 VIVUS INC VVUS 8.0% view
B -41.94% 1997-02-10 00:00:00.0 MYRIAD GENETICS INC MYGN 12.1% view
S 1997-02-10 00:00:00.0 CYTOTHERAPEUTICS INC STEM 5.4% view
B 1997-02-10 00:00:00.0 ICG COMMUNICATIONS INC ICGC 5.1% view
B -46.10% 1997-02-10 00:00:00.0 TEXAS MERIDIAN RESOURCES CORPORATION TMR 10.3% view
S 1997-02-10 00:00:00.0 NEORX CORP nerx 9.5% view
B -0.50% 1997-02-10 00:00:00.0 CYTYC CORP CYTC 6.8% view
S 1997-02-10 00:00:00.0 SYMANTEC CORP SYMC n/a view
S 1996-08-23 00:00:00.0 TESORO PETROLEUM CORP TSO 4.5% view
S 1996-05-10 00:00:00.0 TESORO PETROLEUM CORP TSO 5.99% view
S 1996-04-12 00:00:00.0 TESORO PETROLEUM CORP TSO 8.43% view
S 1996-02-13 00:00:00.0 GENERAL DATACOMM INDUSTRIES INC GNRD n/a view
S 1996-02-13 00:00:00.0 TESORO PETROLEUM CORP TSO 10.4% view
B -37.27% 1996-02-13 00:00:00.0 CYTOTHERAPEUTICS INC STEM 6.2% view
B 38.64% 1996-02-13 00:00:00.0 TEXAS MERIDIAN RESOURCES CORPORATION TMR 8.0% view
S 1996-02-13 00:00:00.0 NEORX CORP nerx 9.8% view
S 1996-02-13 00:00:00.0 SYMANTEC CORP SYMC 5.8% view
B 1995-02-13 00:00:00.0 GENERAL DATACOMM INDUSTRIES INC GNRD 6.9% view
B -10.40% 1995-02-13 00:00:00.0 TESORO PETROLEUM CORP TSO 12.2% view
B 1995-02-13 00:00:00.0 NEORX CORP nerx 9.9% view
B -7.89% 1995-02-13 00:00:00.0 STAPLES INC SPLS 1.8% view
B -38.10% 1995-02-13 00:00:00.0 SYMANTEC CORP SYMC 9.2% 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.