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ARDSLEY ADVISORY PARTNERS
- As of  04/28/24, 02:19:36 PM:   96 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 Just Energy Group Inc STIL 13.76% view
S 2020-02-07 14:27:55.0 MARRONE BIO INNOVATIONS INC MBII 11.51% view
B 2019-10-28 16:30:46.0 MARRONE BIO INNOVATIONS INC MBII 13.66% view
B 2019-08-19 17:08:35.0 SunOpta Inc STIL 5.85% view
B 2019-02-12 15:04:10.0 MARRONE BIO INNOVATIONS INC MBII 14.61% view
S 2018-01-26 09:56:19.0 MARRONE BIO INNOVATIONS INC MBII 11.74% view
B 2018-01-26 09:53:39.0 AMERICAN SUPERCONDUCTOR CORP AMSC 7.4% view
S 2017-05-05 14:47:11.0 APPLIED OPTOELECTRONICS AAOI n/a view
S 2017-02-14 12:53:04.0 SUPERNUS PHARMACEUTICALS INC SUPN n/a view
B 2016-02-16 15:08:52.0 APPLIED OPTOELECTRONICS AAOI 6.9% view
S 2016-02-16 15:06:12.0 INDEPENDENCE REALTY TRUST IRT 1.4% view
B 2016-02-16 15:03:48.0 Bluerock Residential Growth REIT n/a 5.0% view
B 2015-02-20 11:34:34.0 SUPERNUS PHARMACEUTICALS INC SUPN 6.6% view
S 2015-02-17 16:23:45.0 SABA SOFTWARE INC SABA 10.7% view
B 2015-02-17 16:17:40.0 INDEPENDENCE REALTY TRUST IRT 5.6% view
B 2015-02-17 16:09:13.0 BioScrip BIOS 5.1% view
B 15.43% 2014-12-10 17:16:02.0 World Energy Solutions XWES 7.3% view
B -45.00% 2014-02-14 14:57:05.0 EnteroMedics Inc ETRM 9.8% view
S 2014-02-14 14:54:53.0 SABA SOFTWARE INC SABA 11.1% view
S 2014-02-14 14:52:40.0 Canadian Solar Inc n/a 3.9% view
B 30.83% 2014-01-10 09:00:05.0 World Energy Solutions XWES 7.3% view
B 16.19% 2013-08-19 14:39:47.0 Canadian Solar Inc n/a 5.4% view
S 2013-04-10 17:20:25.0 SABA SOFTWARE INC ZBB 3.5% view
B 46.45% 2013-02-13 14:01:49.0 AMARIN CORP PLC SABA 8.1% view
B 123.56% 2013-02-13 13:51:30.0 ACTIVE POWER INC HCLP 6.3% view
B -14.74% 2013-02-13 13:42:32.0 EnteroMedics Inc ETRM 6.6% view
B 140.30% 2013-02-06 16:09:55.0 COMVERGE HCLP 5.2% view
B 491.36% 2012-12-14 16:15:18.0 SABA SOFTWARE INC ACPW 7.6% view
S 2012-03-01 07:43:39.0 ZBB ENERGY CORP ZBB 7.1% view
B -41.82% 2012-02-13 17:48:30.0 EnteroMedics Inc ETRM 7.7% view
S 2012-02-13 17:40:32.0 QKL Stores Inc FCPL 0.0% view
S 2012-02-13 17:34:46.0 YUHE INTERNATIONAL YUII 11.4% view
S 2012-02-10 17:27:56.0 ECOTALITY ECTY 3.4% view
S 2012-02-10 17:25:46.0 Yongye International YONG 0.0% view
S 2012-01-06 17:29:20.0 COMVERGE COMV 6.6% view
B 2011-11-14 16:15:38.0 AMARIN CORP PLC AMRN 6.9% view
B -57.59% 2011-04-20 13:12:47.0 World Energy Solutions COMV 5.13% view
S 2011-02-14 21:50:04.0 ZBB ENERGY CORP ZBB 13.37% view
S 2011-02-14 18:52:10.0 Wonder Auto Technology WATG 4.8% view
B -86.98% 2011-02-14 18:51:02.0 YUHE 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 Yongye 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 16:49:55.0 ZBB ENERGY CORP ZBB 5.04% view
B 2008-06-10 13:38:07.0 YUHE INTERNATIONAL n/a 7.3% view
B 2008-06-02 17:31:14.0 China Solar & Clean Energy Solutions DLSL 12.69% view
B 2008-06-02 17:20:08.0 Wonder Auto Technology n/a 5.93% view
B -80.00% 2008-02-14 17:02:59.0 HydroGen CORP HYDG 4.32% view
B 2008-02-14 15:40:26.0 Yucheng Technologies LTD YTEC 6.28% view
B -45.95% 2008-02-14 15:35:24.0 LSI INDUSTRIES INC LYTS 5.04% view
B 2007-05-22 11:02:22.0 ATS CORP ATCT 13.4% view
B -36.19% 2007-02-14 13:13:41.0 TRONOX INC n/a 5.52% view
B 2007-02-14 13:11:59.0 VAXGEN INC VXGN 5.44% view
B 2007-02-14 13:10:08.0 YOUBET COM INC UBET n/a view
B 2007-02-14 13:08:03.0 PIONEER COMPANIES INC n/a 5.56% view
B -45.48% 2006-03-21 00:00:00.0 CORAUTUS GENETICS INC SEED 5.11% view
S 2006-02-15 00:00:00.0 Origin Agritech LTD GRA 4.21% view
S 2006-02-15 00:00:00.0 INTEGRATED ELECTRICAL SERVICES INC CAQ 3.88% 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 4.95% view
S 2006-02-15 00:00:00.0 PIONEER COMPANIES INC GRA 5.2% view
S 2005-02-11 00:00:00.0 INTEGRATED ELECTRICAL SERVICES INC CAQ 5.2% view
B 34.71% 2005-02-11 00:00:00.0 W R GRACE & CO GRA 5.7% view
S 2004-02-17 00:00:00.0 OM GROUP INC OMG 2.3% view
B -37.35% 2004-01-29 00:00:00.0 OWENS CORNING OWENQ 8.5% view
S 2002-12-09 00:00:00.0 ALLSCRIPTS HEALTHCARE SOLUTIONS INC MDRX 4.9857% view
S 2002-02-14 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 DAVITA INC DVA 5.75% view
S 2001-02-14 00:00:00.0 CONSOLIDATED GRAPHICS INC cgx n/a view
B -78.45% 2001-02-14 00:00:00.0 ALPINE GROUP INC APNI 7.6% view
S 2000-02-14 00:00:00.0 PER SE TECHNOLOGIES INC PSTI 4.7% view
S 2000-02-14 00:00:00.0 MYRIAD GENETICS INC MYGN n/a view
S 1999-02-16 00:00:00.0 FIRSTBANK CORP FBMI 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 ICG COMMUNICATIONS INC ICGC 4.06% 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 CYTYC CORP CYTC n/a view
B -81.18% 1998-02-09 00:00:00.0 VIVUS INC VVUS 13.9% view
B -41.94% 1997-02-10 00:00:00.0 MYRIAD GENETICS 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 NEORX CORP nerx 9.5% 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 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 GENERAL DATACOMM INDUSTRIES INC GNRD 6.9% view
B 1995-02-13 00:00:00.0 NEORX CORP nerx 9.9% 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.