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ARDSLEY ADVISORY PARTNERS
- As of  04/30/24, 01:17:52 AM:   116 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 CRXA 5.9% view
S 2001-02-12 00:00:00.0 CORIXA CORP CRXA 1.5% view
S 2000-02-14 00:00:00.0 ARTHROCARE CORP ARTC 0.4% view
B 2000-02-14 00:00:00.0 CORIXA CORP AMXC 0.4% view
S 1999-02-10 00:00:00.0 ARTHROCARE CORP CRXA 10.8% view
S 1999-02-10 00:00:00.0 POWER INTEGRATIONS INC CBST 5.3% view
S 1998-02-12 00:00:00.0 ARTHROCARE CORP CBST 8.4% view
B 83.00% 1998-02-11 00:00:00.0 CORIXA CORP POWI 6.1% view
B 62.86% 1997-02-14 00:00:00.0 CUBIST PHARMACEUTICALS INC ARTC 14.0% 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.