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WESTFIELD CAPITAL MANAGEMENT CO LP
- As of  05/26/24, 09:48:12 AM:   62 Insider Transactions.

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Buy/Sell* 1 Yr Return** Filed Date Subject Symbol Pct Owned Details
B 2020-01-07 11:41:54.0 MEDICINES CO MDCO 100.0% view
S 2019-09-04 13:59:51.0 Correvio Pharma Corp CRME 12.21% view
B 2019-02-07 07:03:51.0 Correvio Pharma Corp CRME 13.27% view
S 2018-05-02 07:51:52.0 Cardiome Pharma Corp CRME 12.62% view
S 2017-12-07 18:32:24.0 Cardiome Pharma Corp CRME 14.59% view
S 2017-08-08 11:23:17.0 HEXCEL CORP HXL 0.0% view
S 2017-04-07 18:31:30.0 MERRIMACK PHARMACEUTICALS INC ARIA 0.0% view
B 2017-02-10 10:52:48.0 Cardiome Pharma Corp MACK 7.0% view
S 2017-02-10 10:51:58.0 RUSH ENTERPRISES INC ARIA 2.55% view
S 2017-02-10 10:50:27.0 XPO Logistics SPN 0.0% view
S 2017-02-10 10:48:15.0 PTC THERAPEUTICS AMAG 0.0% view
B 2016-09-09 16:49:27.0 Cardiome Pharma Corp WMGI 2.19% view
B 2016-02-10 17:00:44.0 RUSH ENTERPRISES INC RUSHB 5.46% view
B 2016-02-10 16:59:16.0 MERRIMACK PHARMACEUTICALS INC ARIA 5.01% view
B 2016-02-09 20:04:33.0 Cardiome Pharma Corp CRME 20.09% view
S 2016-02-05 17:06:59.0 DYNAVAX TECHNOLOGIES CORP DVAX 0.0% view
B 2016-02-05 17:05:25.0 Cardiome Pharma Corp CRME 18.67% view
S 2015-10-08 19:45:22.0 Cardiome Pharma Corp CRME 14.96% view
B 2015-07-10 17:50:12.0 Cardiome Pharma Corp CRME 15.13% view
B 2015-04-08 16:19:04.0 Cardiome Pharma Corp CRME 10.33% view
S 2015-02-09 19:59:17.0 Nuance Communications NUAN 0.0% view
B 2015-02-09 19:54:32.0 MWI Veterinary Supply MWIV 6.45% view
B 2015-02-09 19:48:10.0 ARTHROCARE CORP CRME 9.21% view
S 2015-02-09 19:37:49.0 Aegerion Pharmaceuticals AEGR 8.58% view
B 2014-10-07 21:29:50.0 Aegerion Pharmaceuticals AEGR 10.88% view
S 2014-03-10 17:03:05.0 ARTHROCARE CORP OFIX 0.0% view
S 2014-02-07 09:22:18.0 TILLY TWI 0.0% view
S 2014-02-07 09:18:10.0 STEWART ENTERPRISES INC PMTI 0.0% view
S 2014-02-07 09:16:05.0 XPO Logistics HURN 0.0% view
S 2014-02-07 09:12:44.0 Huron Consulting Group Inc FXCM 0.0% view
S 2014-02-07 09:07:31.0 ATMI INC ATMI 0.0% view
B 42.85% 2013-11-07 16:10:20.0 ARTHROCARE CORP ARTC 10.52% view
B 50.47% 2013-02-08 10:40:26.0 SKILLED HEALTHCARE GROUP INC XPO 7.77% view
S 2013-02-08 10:17:22.0 TILLY FXCM 4.63% view
B 36.82% 2013-02-08 10:04:51.0 TESORO CORP ARTC 8.81% view
S 2013-02-08 09:51:57.0 ATMI INC TWI 3.97% view
B 93.38% 2013-02-08 09:31:06.0 METABOLIX HURN 5.72% view
B 104.26% 2012-03-27 11:08:29.0 TESORO CORP TSO 5.65% view
S 2012-03-27 10:54:49.0 ORTHOFIX INTERNATIONAL N V OFIX 3.43% view
B -2.53% 2012-03-27 10:31:12.0 FXCM Inc FXCM 5.71% view
S 2012-03-27 09:50:56.0 ARTHROCARE CORP SUNH 1.0% view
S 2012-02-13 10:59:28.0 STEWART ENTERPRISES INC SNTS 0.0% view
S 2012-02-13 10:52:01.0 ORTHOFIX INTERNATIONAL N V OFIX 3.5% view
S 2012-02-13 10:44:17.0 HIBBETT SPORTS INC HIBB 0.0% view
S 2012-02-13 10:36:24.0 DIONEX CORP DNEX 0.0% view
B 6.92% 2012-02-13 10:27:20.0 ATMI INC TWI 5.16% view
B 27.48% 2012-02-13 10:16:42.0 TESORO CORP FXCM 5.38% view
S 2012-02-13 10:06:01.0 METABOLIX MBLX 8.7% view
S 2011-07-08 15:45:57.0 METABOLIX MBLX 9.34% view
S 2011-06-10 09:42:06.0 METABOLIX n/a 4.5% view
S 2011-03-09 12:47:58.0 SANTARUS INC SNTS 0.0% view
S 2011-02-11 09:59:55.0 ADOLOR CORP ADLR 4.3% view
S 2011-02-11 09:55:13.0 HIBBETT SPORTS INC HIBB 0.0% view
B 39.35% 2011-02-11 09:49:32.0 NAVIGANT CONSULTING INC OFIX 5.02% view
B -14.01% 2011-02-11 09:45:15.0 RBC Bearings INC STEI 6.76% view
S 2011-02-11 09:40:45.0 SANTARUS INC SNTS 10.58% view
B 2010-10-08 09:25:07.0 SKILLED HEALTHCARE GROUP INC n/a 16.63% view
B 2010-02-11 07:34:23.0 WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP SUNH 5.19% view
S 2010-02-11 07:30:18.0 STEWART ENTERPRISES INC SKIL 4.15% view
S 2010-02-11 07:27:15.0 RBC Bearings INC ROLL 4.91% view
S 2010-02-11 07:24:07.0 NAVIGANT CONSULTING INC MDCO 2.11% view
S 2010-02-11 07:20:08.0 HIBBETT SPORTS INC GTIV n/a 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.