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PALO ALTO INVESTORS LP
- As of  05/25/24, 08:16:06 AM:   131 Insider Transactions.

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Buy/Sell* 1 Yr Return** Filed Date Subject Symbol Pct Owned Details
B 2020-02-14 15:16:07.0 Vanda Pharmaceuticals Inc VNDA 8.48% view
S 2020-02-14 15:07:55.0 Karyopharm Therapeutics Inc KPTI 7.32% view
S 2020-02-14 14:59:05.0 Epizyme EPZM 6.75% view
S 2020-02-14 14:21:56.0 STAAR SURGICAL CO STAA 8.47% view
B 2020-02-14 14:13:09.0 Clovis Oncology CLVS 9.22% view
S 2020-02-14 13:57:40.0 INSMED Inc INSM 7.67% view
S 2020-02-14 13:41:21.0 ALIMERA SCIENCES INC ALIM 16.16% view
S 2020-02-14 13:31:31.0 AMAG PHARMACEUTICALS AMAG 8.98% view
B 2020-02-14 13:16:53.0 Aimmune Therapeutics AIMT 5.34% view
B 2020-02-14 08:57:28.0 Palo Alto Investors LP n/a 5.34% view
B 2020-02-14 08:47:32.0 Palo Alto Investors LP n/a 16.16% view
S 2019-02-19 16:07:35.0 Vanda Pharmaceuticals Inc VNDA 8.29% view
S 2018-06-25 13:59:58.0 Clovis Oncology CLVS 9.14% view
S 2017-10-12 14:33:02.0 ALIMERA SCIENCES INC ALIM 17.43% view
B 2017-04-03 14:59:10.0 Epizyme EPZM 8.07% view
B 2017-01-12 17:43:16.0 Vanda Pharmaceuticals Inc VNDA 9.56% view
S 2017-01-12 17:39:04.0 SUNESIS PHARMACEUTICALS INC SNSS 5.57% view
B 2017-01-12 17:33:41.0 STAAR SURGICAL CO n/a 8.34% view
B 2017-01-12 17:26:32.0 SEQUENOM INC SQNM 12.0% view
S 2017-01-12 17:19:16.0 RIGEL PHARMACEUTICALS INC RIGL 4.22% view
S 2017-01-12 17:11:27.0 Karyopharm Therapeutics Inc KPTI 7.76% view
B 2017-01-12 17:06:59.0 INSMED Inc INSM 8.8% view
S 2017-01-12 17:00:06.0 Epizyme EPZM 5.23% view
B 2017-01-12 16:55:10.0 Clovis Oncology CLVS 9.86% view
B 2017-01-12 16:48:08.0 AMAG PHARMACEUTICALS INC AMAG 9.78% view
S 2017-01-12 16:42:23.0 ALIMERA SCIENCES INC ALIM 22.73% view
S 2017-01-12 16:37:35.0 ABIOMED INC ABMD 4.39% view
B 2016-02-16 14:50:21.0 Karyopharm Therapeutics Inc KPTI 8.71% view
B 2016-02-16 14:47:28.0 AUXILIUM PHARMACEUTICALS INC AUXL 12.0% view
S 2016-02-16 14:42:38.0 Anacor Pharmaceuticals ANAC 4.96% view
B 2016-02-16 14:38:43.0 SUNESIS PHARMACEUTICALS INC SNSS 8.2% view
B 2016-02-16 14:37:12.0 RIGEL PHARMACEUTICALS INC RIGL 5.92% view
B 2016-02-16 14:34:39.0 Epizyme EPZM 6.38% view
S 2016-02-16 14:32:01.0 STAAR SURGICAL CO n/a 6.69% view
B 2016-02-16 14:30:24.0 CYBERONICS INC CYBX 12.0% view
B 2016-02-16 14:27:22.0 ABIOMED INC ABMD 6.81% view
S 2016-02-16 14:21:19.0 INSMED Inc INSM 7.75% view
S 2016-02-16 14:19:58.0 AMAG PHARMACEUTICALS INC AMAG 8.17% view
S 2016-02-16 14:15:39.0 SEQUENOM INC SQNM 8.45% view
B 2016-02-16 14:11:08.0 Clovis Oncology CLVS 9.26% view
S 2016-02-16 14:05:50.0 Vanda Pharmaceuticals Inc VNDA 9.41% view
S 2016-02-16 13:56:12.0 ALIMERA SCIENCES INC ALIM 33.1% view
B 2015-05-08 14:52:58.0 Celladon Corp CLDN 12.0% view
S 2015-02-18 11:22:50.0 AMICUS THERAPEUTICS INC FOLD 2.06% view
B 2015-02-17 21:59:36.0 Clovis Oncology CLVS 6.19% view
S 2015-02-17 21:55:20.0 ALIMERA SCIENCES INC ALIM 33.28% view
B 2015-02-17 21:47:22.0 STAAR SURGICAL CO n/a 6.8% view
B 2015-02-17 21:13:26.0 Clovis Oncology CLVS 6.19% view
B 2015-02-17 21:07:49.0 Celladon Corp CLDN 6.02% view
B 2015-02-17 20:59:22.0 AMAG PHARMACEUTICALS INC AMAG 9.03% view
S 2015-02-17 20:55:39.0 AUXILIUM PHARMACEUTICALS INC AUXL 9.64% view
S 2015-02-17 20:49:36.0 Vanda Pharmaceuticals Inc VNDA 9.55% view
B 2015-02-17 20:47:37.0 Anacor Pharmaceuticals ANAC 5.88% view
B 2015-02-17 20:44:53.0 SEQUENOM INC SQNM 8.46% view
S 2015-02-17 20:40:53.0 RIGEL PHARMACEUTICALS INC RIGL 5.9% view
B 2015-02-17 20:35:30.0 INSMED Inc INSM 9.31% view
S 2015-02-17 20:31:16.0 CYBERONICS INC CYBX 6.11% view
S 2015-02-17 20:23:21.0 ABIOMED INC ABMD 6.02% view
S 2014-10-07 20:55:00.0 AMICUS THERAPEUTICS INC FOLD 2.49% view
B 2014-02-18 10:17:33.0 RAINBOW EYECARE CENTERS LLC n/a 6.0% view
B -22.08% 2014-02-14 17:27:39.0 RIGEL PHARMACEUTICALS INC RIGL 6.0% view
S 2014-02-14 17:25:09.0 VIROPHARMA INC VPHM 0.4% view
S 2014-02-14 17:24:02.0 Vanda Pharmaceuticals Inc VNDA 9.8% view
S 2014-02-14 17:23:07.0 STAAR SURGICAL CO STAA 8.6% view
B 52.74% 2014-02-14 17:22:09.0 SEQUENOM INC SQNM 8.1% view
B -20.48% 2014-02-14 17:20:07.0 CYBERONICS INC CYBX 7.2% view
B 36.08% 2014-02-14 17:19:04.0 AUXILIUM PHARMACEUTICALS INC AUXL 9.9% view
S 2014-02-14 17:17:51.0 AMICUS THERAPEUTICS INC FOLD 8.9% view
S 2014-02-14 17:16:31.0 AMAG PHARMACEUTICALS INC AMAG 8.1% view
B -22.52% 2014-02-14 17:15:09.0 ALIMERA SCIENCES INC ALIM 35.5% view
B 114.61% 2014-02-14 17:13:55.0 ABIOMED INC ABMD 6.8% view
S 2013-11-12 13:04:44.0 SAVIENT PHARMACEUTICALS INC SVNT 0.0% view
B 14.30% 2013-09-09 16:33:27.0 AUXILIUM PHARMACEUTICALS INC AUXL 8.9% view
B 21.53% 2013-07-30 16:02:47.0 Vanda Pharmaceuticals Inc VNDA 11.1% view
S 2013-02-14 16:17:31.0 ALIMERA SCIENCES INC ALIM 32.6% view
S 2013-02-14 16:10:07.0 AMAG PHARMACEUTICALS INC AMAG 8.5% view
S 2013-02-14 16:06:12.0 SAVIENT PHARMACEUTICALS INC SVNT 15.6% view
B 94.47% 2013-02-14 15:57:19.0 VIROPHARMA INC VPHM 5.8% view
B 237.53% 2013-02-14 15:56:45.0 Vanda Pharmaceuticals Inc VNDA 5.1% view
B 178.13% 2013-02-14 15:56:19.0 STAAR SURGICAL CO STAA 9.7% view
B -46.77% 2013-02-14 15:55:51.0 SEQUENOM INC SQNM 6.5% view
S 2013-02-14 15:55:17.0 CYBERONICS INC CYBX 7.0% view
B 58.22% 2013-02-14 15:54:54.0 BROADVISION INC BVSN 12.0% view
S 2013-02-14 15:53:23.0 AUXILIUM PHARMACEUTICALS INC AUXL 4.9% view
S 2013-02-14 15:50:58.0 AMICUS THERAPEUTICS INC FOLD 10.5% view
B 20.44% 2012-10-11 16:30:08.0 ALIMERA SCIENCES INC ALIM 32.7% view
B 51.30% 2012-09-14 16:26:35.0 AMAG PHARMACEUTICALS INC AMAG 8.6% view
B -11.83% 2012-04-05 16:52:13.0 ALIMERA SCIENCES INC ALIM 10.2% view
S 2012-02-13 15:46:14.0 VIROPHARMA INC VPHM 5.7% view
B -51.40% 2012-02-13 15:42:54.0 STAAR SURGICAL CO STAA 9.6% view
B -12.87% 2012-02-13 15:39:26.0 AUXILIUM PHARMACEUTICALS INC AUXL 6.4% view
S 2012-02-13 15:34:55.0 AMICUS THERAPEUTICS INC FOLD 17.6% view
S 2012-02-13 15:31:53.0 AMAG PHARMACEUTICALS INC AMAG 6.5% view
B 43.03% 2012-02-13 15:27:49.0 ALIMERA SCIENCES INC ALIM 8.9% view
B -7.76% 2012-02-13 15:15:38.0 SEQUENOM INC SQNM 5.4% view
B -49.76% 2012-02-13 15:10:28.0 SAVIENT PHARMACEUTICALS INC SVNT 16.6% view
S 2012-02-13 15:06:44.0 NORTHERN OIL & GAS NOG 0.6% view
S 2012-02-13 15:03:03.0 MOMENTA PHARMACEUTICALS INC MNTA 4.7% view
S 2012-02-13 14:59:24.0 interclick ICKL 0.0% view
S 2012-02-13 14:50:20.0 CYBERONICS INC CYBX 10.0% view
S 2012-02-13 14:46:20.0 CERAGON NETWORKS LTD n/a 0.1% view
S 2012-02-13 14:40:40.0 Triangle Petroleum Corp TPLM 0.1% view
S 2011-11-14 14:42:09.0 AMAG PHARMACEUTICALS INC AMAG 7.8% view
B -37.86% 2011-10-11 16:51:41.0 SAVIENT PHARMACEUTICALS INC SVNT 12.6% view
S 2011-10-11 16:47:48.0 BROADVISION INC BVSN 6.4% view
B 16.82% 2011-09-14 16:55:08.0 AMICUS THERAPEUTICS INC FOLD 18.23% view
S 2011-09-12 14:21:53.0 AMICUS THERAPEUTICS INC FOLD 17.25% view
S 2011-08-25 14:35:58.0 AMAG PHARMACEUTICALS INC AMAG 15.1% view
S 2011-02-11 14:07:00.0 VIROPHARMA INC VPHM 6.3% view
S 2011-02-11 14:05:53.0 TOREADOR RESOURCES CORP TRGL 2.1% view
B 84.48% 2011-02-11 14:04:41.0 STAAR SURGICAL CO STAA 7.0% view
B -77.30% 2011-02-11 14:03:13.0 SAVIENT PHARMACEUTICALS INC SVNT 6.8% view
S 2011-02-11 14:01:42.0 NORTHERN OIL & GAS NOG 1.6% view
S 2011-02-11 14:00:21.0 interclick ICLK 6.4% view
S 2011-02-11 13:57:28.0 MOMENTA PHARMACEUTICALS INC MNTA 6.7% view
S 2011-02-11 13:55:01.0 CYBERONICS INC CYBX 11.9% view
S 2011-02-11 13:53:10.0 CERAGON NETWORKS LTD n/a 6.1% view
S 2011-02-11 13:51:29.0 BROADVISION INC BVSN 16.7% view
B 4.52% 2011-02-11 13:49:31.0 AMICUS THERAPEUTICS INC FOLD 24.3% view
B -4.25% 2011-01-26 17:25:14.0 AMAG PHARMACEUTICALS INC AMAG 16.0% view
B 4.53% 2011-01-03 10:31:48.0 AMAG PHARMACEUTICALS INC AMAG 14.9% view
B 9.90% 2010-12-23 17:11:46.0 AMAG PHARMACEUTICALS INC AMAG 12.1% view
B 21.50% 2010-12-08 19:57:17.0 AMAG PHARMACEUTICALS INC AMAG 10.29% view
S 2010-12-06 17:09:35.0 Triangle Petroleum Corp TPLM 6.1% view
B 16.22% 2010-11-22 18:52:33.0 AMAG PHARMACEUTICALS INC AMAG 9.29% view
S 2010-10-12 12:24:32.0 UNICA CORP UNCA 3.6% view
S 2010-09-07 18:08:03.0 Limelight Networks LLNW 0.1% view
S 2010-09-03 16:56:36.0 GASTAR EXPLORATION LTD GST 0.1% view
S 2010-09-02 17:25:55.0 GASTAR EXPLORATION LTD GST 5.8% view
S 2010-08-31 16:16:14.0 GASTAR EXPLORATION LTD GST 7.1% view
B 895.38% 2010-06-09 17:20:08.0 Triangle Petroleum Corp TPLM 15.2% 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.