Home Latest Filings Latest Buys Latest Sells Institutions Derivatives Hot Buys Data Screener Email Alerts Insider Charts
WESTFIELD CAPITAL MANAGEMENT CO LP
- As of  06/08/24, 03:51:13 AM:   189 Insider Transactions.

Email this page to a friend.
Buy/Sell* 1 Yr Return** Filed Date Subject Symbol Pct Owned Details
S 2020-01-07 11:41:54.0 MEDICINES CO MDCO 1.71% 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 Cardiome Pharma Corp HXL 0.0% view
S 2017-04-07 18:31:30.0 Huron Consulting Group Inc MACK 0.0% view
S 2017-04-07 15:21:54.0 ARIAD PHARMACEUTICALS INC CRME 15.93% view
S 2017-02-10 10:52:26.0 MERRIMACK PHARMACEUTICALS INC MACK 2.78% view
S 2017-02-10 10:50:55.0 ARIAD PHARMACEUTICALS INC ARIA 0.0% view
S 2017-02-10 10:49:24.0 SUPERIOR ENERGY SERVICES INC PTCT 0.0% view
S 2017-02-10 10:47:41.0 AMAG PHARMACEUTICALS INC CRME 17.01% view
B 2016-02-10 17:01:29.0 Wright Medical Group N RUSHB 5.38% view
B 2016-02-10 16:59:58.0 PTC THERAPEUTICS MACK 6.28% view
B 2016-02-09 20:05:19.0 ARIAD PHARMACEUTICALS INC ARIA 5.01% view
B 2016-02-09 20:04:33.0 AMAG PHARMACEUTICALS INC 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 Aegerion Pharmaceuticals 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 WRIGHT MEDICAL GROUP INC NUAN 0.0% view
B 2015-02-09 19:54:32.0 MWI Veterinary Supply DVAX 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 ORTHOFIX INTERNATIONAL N V OFIX 0.0% view
S 2014-02-07 09:22:18.0 TITAN INTERNATIONAL INC TWI 0.0% view
S 2014-02-07 09:18:10.0 PALOMAR MEDICAL TECHNOLOGIES LLC PMTI 0.0% view
S 2014-02-07 09:16:05.0 Huron Consulting Group Inc HURN 0.0% view
S 2014-02-07 09:12:44.0 FXCM Inc FXCM 0.0% view
S 2014-02-07 09:07:31.0 ATMI INC ATMI 0.0% view
B 2014-02-07 09:00:13.0 ARTHROCARE CORP ARTC 11.16% view
S 2013-05-06 09:00:12.0 ARTHROCARE CORP ARTC 1.0% view
B -20.04% 2013-02-08 10:20:11.0 XPO Logistics XPO 5.6% view
S 2013-02-08 10:10:39.0 FXCM Inc TSO 4.35% view
S 2013-02-08 09:54:38.0 ARTHROCARE CORP ATMI 2.37% view
S 2013-02-08 09:31:47.0 TITAN INTERNATIONAL INC MBLX 1.0% view
S 2013-02-08 09:30:48.0 Huron Consulting Group Inc TWI 5.14% view
B 51.88% 2012-03-27 11:03:02.0 TESORO CORP STEI 7.63% view
S 2012-03-27 10:45:53.0 ORTHOFIX INTERNATIONAL N V MBLX 7.91% view
B -2.53% 2012-03-27 10:31:12.0 FXCM Inc ATMI 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 SANTARUS 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 10:40:18.0 HIBBETT SPORTS INC EXH 0.0% view
B -10.04% 2012-02-13 10:31:55.0 DIONEX CORP ATMI 5.49% view
B 93.52% 2012-02-13 10:22:32.0 TITAN INTERNATIONAL INC TSO 5.48% view
B 21.26% 2012-02-13 10:12:23.0 ARTHROCARE CORP ARTC 6.93% view
B -70.70% 2011-12-09 13:08:48.0 METABOLIX MBLX 10.56% view
B -67.23% 2011-07-08 15:43:01.0 METABOLIX MBLX 11.5% view
S 2011-05-10 11:23:49.0 SANTARUS INC SNTS 8.27% view
S 2011-02-11 12:17:07.0 ACI WORLDWIDE ADLR 0.0% view
S 2011-02-11 09:57:36.0 EXTERRAN HOLDINGS INC HIBB 4.03% view
S 2011-02-11 09:52:32.0 MEDICINES CO NCI 0.0% view
S 2011-02-11 09:47:37.0 ORTHOFIX INTERNATIONAL N V ROLL 0.0% view
S 2011-02-11 09:42:41.0 STEWART ENTERPRISES INC SUNH 4.39% view
S 2010-12-08 09:09:40.0 SANTARUS INC n/a 14.18% view
S 2010-08-09 16:02:51.0 SKILLED HEALTHCARE GROUP INC WAB 0.0% view
B 54.13% 2010-02-11 07:32:19.0 SUN HEALTHCARE GROUP INC STEI 5.66% view
S 2010-02-11 07:29:10.0 SKILLSOFT PUBLIC LIMITED CO ROLL 0.47% view
S 2010-02-11 07:26:03.0 NAVIGANT CONSULTING INC NCI 4.85% view
B 44.53% 2010-02-11 07:22:30.0 HIBBETT SPORTS INC HIBB 5.57% view
B 14.31% 2010-02-11 07:17:49.0 EXTERRAN HOLDINGS INC EXH 6.26% view
S 2010-02-11 07:13:17.0 CORINTHIAN COLLEGES INC COCO 0.0% view
S 2010-02-11 07:09:36.0 ATMI INC ATMI 3.55% view
S 2010-02-11 07:05:35.0 ACTUANT CORP ATU 0.0% view
B 2009-11-09 09:58:05.0 SANTARUS INC n/a 12.6% view
S 2009-09-09 07:42:56.0 ADOLOR CORP adlr 10.5% view
S 2009-06-09 11:33:28.0 ADOLOR CORP SNTS 13.86% view
S 2009-02-04 09:45:58.0 ATMI INC NUAN 4.49% view
S 2009-02-04 09:42:50.0 SKILLSOFT PUBLIC LIMITED CO SKIL 6.5% view
S 2009-02-04 09:39:27.0 SRA INTERNATIONAL INC SRX 0.0% view
B -73.80% 2009-02-04 09:37:30.0 CARDIONET INC BEAT 5.51% view
S 2009-02-04 09:29:26.0 OSI PHARMACEUTICALS INC OSIP 6.4% view
S 2009-02-04 09:25:26.0 GENTIVA HEALTH SERVICES INC GTIV 2.55% view
B -4.63% 2009-02-04 09:19:23.0 NAVIGANT CONSULTING INC NCI 5.0% view
B 5.61% 2009-02-04 09:16:39.0 ACTUANT CORP ATU 6.24% view
B -32.44% 2009-02-04 09:13:54.0 CORINTHIAN COLLEGES INC COCO 5.23% view
S 2009-02-04 09:10:53.0 SCHAWK INC SGK 0.0% view
S 2009-02-04 09:07:24.0 SANTARUS INC SNTS 15.54% view
S 2009-01-09 09:02:51.0 Vanda Pharmaceuticals Inc VNDA 0.0% view
B 2008-07-03 08:46:02.0 ALEXION PHARMACEUTICALS INC LAXN 7.65% view
B 9.92% 2008-01-10 09:19:28.0 DIONEX CORP ACIW 6.68% view
B 2008-01-10 09:18:47.0 ASV INC asvi 0.0% view
S 2008-01-10 09:17:12.0 Wengen Alberta NCI 0.0% view
B 17.72% 2008-01-10 09:15:31.0 GREENBRIER COMPANIES INC COCO 4.97% view
B -81.68% 2008-01-10 09:13:28.0 MEDCO HEALTH SOLUTIONS INC VCI 0.0% view
B -30.68% 2008-01-10 09:12:48.0 ELAN CORP PLC APOG 5.79% view
B -12.94% 2008-01-10 09:10:04.0 ACTUANT CORP OSIP 8.22% view
S 2008-01-10 09:08:08.0 Fidelity National Information Services GEHL 0.07% view
B -54.71% 2008-01-10 09:06:09.0 Vanda Pharmaceuticals Inc IBI 5.49% view
B 2008-01-10 09:04:02.0 HEXCEL CORP HCR 12.0% view
S 2008-01-10 09:02:47.0 GENTIVA HEALTH SERVICES INC PMTI 5.62% view
B -37.32% 2008-01-10 08:58:49.0 Nuance Communications NUAN 5.27% view
B -21.95% 2008-01-10 08:56:23.0 CHANGS P F CHINA BISTRO INC SKIL 7.45% view
B -33.59% 2008-01-10 08:52:23.0 RBC Bearings INC SGK 2.68% view
B -32.33% 2008-01-10 08:51:44.0 ATMI INC SNTS 16.44% view
S 2008-01-07 06:08:41.0 ADOLOR CORP adlr 9.43% view
B -16.84% 2007-12-06 08:58:26.0 ADOLOR CORP adlr 13.65% view
B -92.92% 2007-09-10 08:45:54.0 Vanda Pharmaceuticals Inc VNDA 10.01% view
B 24.35% 2007-05-09 07:57:22.0 ADOLOR CORP adlr 13.02% view
S 2007-04-12 11:36:56.0 SANTARUS INC SNTS 14.36% view
B 76.37% 2006-12-07 11:30:40.0 RBC Bearings INC ROLL 10.68% view
S 2006-02-14 00:00:00.0 QUINTON CARDIOLOGY SYSTEMS INC QUIN 0.0% view
S 2006-02-14 00:00:00.0 Nuance Communications SWBT 0.0% view
B -23.04% 2006-02-13 00:00:00.0 GEHL CO GBX 5.38% view
B 23.25% 2006-02-13 00:00:00.0 SUPERIOR ENERGY SERVICES INC SPN 1.64% view
B 38.53% 2006-02-13 00:00:00.0 GENTIVA HEALTH SERVICES INC STEI 5.11% view
B 6.65% 2006-02-13 00:00:00.0 ASV INC BLUD 5.48% view
B 45.52% 2006-02-13 00:00:00.0 P F CHANGS CHINA BISTRO INC PMTI 5.31% view
B 15.09% 2006-02-13 00:00:00.0 LAUREATE EDUCATION OSIP 7.86% view
S 2006-02-13 00:00:00.0 ALEXION PHARMACEUTICALS INC EXAR 0.0% view
S 2006-02-10 00:00:00.0 VARIAN SEMICONDUCTOR EQUIPMENT ASSOCIATES INC FLE 0.0% view
S 2006-02-10 00:00:00.0 WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP WNC 0.0% view
S 2006-02-10 00:00:00.0 SRA INTERNATIONAL INC XPRT 1.39% view
B -10.33% 2006-02-10 00:00:00.0 SKILLSOFT PUBLIC LIMITED CO ATU 7.01% view
S 2006-02-10 00:00:00.0 POLYMEDICA CORP NCI 5.84% view
S 2006-02-10 00:00:00.0 SEMTECH CORP KEA 0.0% view
S 2006-02-10 00:00:00.0 ATMI INC AVM 5.62% view
S 2006-02-10 00:00:00.0 CONCUR TECHNOLOGIES INC CNQR 0.54% view
S 2006-02-10 00:00:00.0 ADVANCED MEDICAL OPTICS INC AVO 3.61% view
S 2006-02-10 00:00:00.0 POWER INTEGRATIONS INC POWI 5.58% view
S 2006-02-10 00:00:00.0 ADVANCED DIGITAL INFORMATION CORP ADIC 0.0% view
S 2006-02-10 00:00:00.0 LAUREATE EDUCATION slvn 0.0% view
B -13.74% 2005-04-04 00:00:00.0 WABASH NATIONAL CORP EXAR 6.77% view
B 15.48% 2005-02-14 00:00:00.0 VARIAN SEMICONDUCTOR EQUIPMENT ASSOCIATES INC FLE 6.58% view
S 2005-02-14 00:00:00.0 ARMOR HOLDINGS INC EVC 0.0% view
B -8.53% 2005-02-14 00:00:00.0 W WHQ 14.36% view
B 37.25% 2005-02-14 00:00:00.0 BIOSOURCE INTERNATIONAL INC BIOI 9.02% view
S 2005-02-14 00:00:00.0 WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP WAB 0.199% view
S 2005-02-14 00:00:00.0 WABASH NATIONAL CORP WNC 6.38% view
S 2005-02-14 00:00:00.0 NDCHEALTH CORP NDC 0.0% view
S 2005-02-14 00:00:00.0 LECG CORP XPRT 0.0% view
B 26.15% 2005-02-14 00:00:00.0 QUINTON CARDIOLOGY SYSTEMS INC PLMD 10.55% view
B -2.66% 2005-02-14 00:00:00.0 NAVIGANT CONSULTING INC SMTC 6.86% view
B 2005-02-14 00:00:00.0 KEANE INC SSFT 6.56% view
B 9.27% 2005-02-14 00:00:00.0 PHILADELPHIA CONSOLIDATED HOLDING CORP ATMI 9.67% view
S 2005-02-14 00:00:00.0 ADVANCED MAGNETICS INC AVM 7.39% view
S 2005-02-14 00:00:00.0 CONCUR TECHNOLOGIES INC CNQR 0.0% view
B 2005-02-14 00:00:00.0 MANOR CARE INC HCR 6.41% view
S 2005-02-14 00:00:00.0 RSA SECURITY INC POWI 7.05% view
S 2005-02-14 00:00:00.0 DELTA & PINE LAND CO CPWM 11.52% view
S 2005-02-14 00:00:00.0 ADVANCED DIGITAL INFORMATION CORP APOL 0.0% view
S 2005-02-14 00:00:00.0 WRIGHT MEDICAL GROUP INC slvn 0.09% view
S 2005-02-14 00:00:00.0 EAST WEST BANCORP INC LF 0.0% view
S 2005-02-14 00:00:00.0 TRANSACTION SYSTEMS ARCHITECTS INC WCN 6.25% view
B -29.05% 2005-02-14 00:00:00.0 GUITAR CENTER INC ROIA 5.0% view
S 2005-01-10 00:00:00.0 LIONBRIDGE TECHNOLOGIES INC PLMD 10.0% view
B 65.28% 2004-08-12 00:00:00.0 VARIAN SEMICONDUCTOR EQUIPMENT ASSOCIATES INC VSEA 7.76% view
B 25.15% 2004-08-12 00:00:00.0 ARMOR HOLDINGS INC AH 10.7% view
B 75.24% 2004-08-12 00:00:00.0 ALLIANCE IMAGING INC AIQ 5.38% view
B 2004-08-12 00:00:00.0 NDCHEALTH CORP NDC 8.04% view
B 66.80% 2004-08-12 00:00:00.0 NDCHEALTH CORP GB 5.48% view
B 3.74% 2004-08-12 00:00:00.0 WILSON GREATBATCH TECHNOLOGIES INC GB 8.21% view
B -26.29% 2004-08-12 00:00:00.0 APOLLO GROUP INC LF 5.6% view
B 27.15% 2004-08-12 00:00:00.0 WASTE CONNECTIONS INC WCN 6.77% view
S 2004-08-05 00:00:00.0 SANTARUS INC CCRN n/a view
S 2004-07-27 00:00:00.0 CROSS COUNTRY HEALTHCARE INC CCRN 0.0% view
B 19.89% 2004-07-27 00:00:00.0 ENTRAVISION COMMUNICATIONS CORP EVC 5.9% view
B 41.71% 2004-07-27 00:00:00.0 W WHQ 8.97% view
B 85.70% 2004-07-27 00:00:00.0 W WHQ 6.24% view
B -10.46% 2004-07-27 00:00:00.0 SUPERIOR ENERGY SERVICES INC SPN 7.0% view
B 50.91% 2004-07-27 00:00:00.0 SEACOR HOLDINGS INC CKH 0.0% view
B 54.27% 2004-07-27 00:00:00.0 PSS WORLD MEDICAL INC PSSI 0.0% view
B 2004-07-27 00:00:00.0 NMS COMMUNICATIONS CORP QUIN 14.16% view
B -1.92% 2004-07-27 00:00:00.0 QUINTON CARDIOLOGY SYSTEMS INC SMTC 5.56% view
B 45.01% 2004-07-27 00:00:00.0 PHILADELPHIA CONSOLIDATED HOLDING CORP PHLY 7.18% view
B 13.26% 2004-07-27 00:00:00.0 FORRESTER RESEARCH INC FORR 0.0% view
B 25.49% 2004-07-27 00:00:00.0 P F CHANGS CHINA BISTRO INC PFCB 4.8% view
B 12.49% 2004-07-27 00:00:00.0 STERICYCLE INC SRCL 4.6% view
B 2004-07-27 00:00:00.0 INFORMATION HOLDINGS INC IHI 6.2% view
B 2004-07-27 00:00:00.0 SELECT MEDICAL CORP SEM 5.86% view
B 18.45% 2004-07-27 00:00:00.0 RSA SECURITY INC POWI 9.31% view
B -11.76% 2004-07-27 00:00:00.0 POWER INTEGRATIONS INC WMGI 7.6% view
B 2004-07-27 00:00:00.0 WRIGHT MEDICAL GROUP INC slvn 6.89% view
B 8.80% 2004-07-27 00:00:00.0 LAUREATE EDUCATION EWBC 7.23% view
B -51.96% 2004-07-27 00:00:00.0 EAST WEST BANCORP INC UCBH 4.8% view
B 56.97% 2004-07-27 00:00:00.0 THERMA WAVE INC GTRC 8.38% view
B 21.75% 2004-07-27 00:00:00.0 CROSS COUNTRY HEALTHCARE INC CCRN 0.0% view
B 21.75% 2004-07-26 00:00:00.0 CROSS COUNTRY HEALTHCARE INC CCRN n/a view
B 2004-07-21 00:00:00.0 ATLANTIC COAST AIRLINES HOLDINGS INC acai 5.06% view
B 2004-07-21 00:00:00.0 ARADIGM CORP ANSI 0.0% view
B 93.24% 2004-07-21 00:00:00.0 CV THERAPEUTICS INC CVTX 5.41% view
B 11.82% 2004-06-14 00:00:00.0 LIONBRIDGE TECHNOLOGIES INC PLMD 10.24% view
B -4.44% 2004-06-10 00:00:00.0 POLYMEDICA CORP CNQR 10.69% view
B -24.86% 2004-06-10 00:00:00.0 CONCUR TECHNOLOGIES INC CPWM 11.67% view
B -24.86% 2004-06-10 00:00:00.0 COST PLUS INC CPWM 9.47% view
B 2002-12-05 00:00:00.0 ARMOR HOLDINGS INC QUIN 12.3% 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.