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WESTFIELD CAPITAL MANAGEMENT CO LP
- As of  06/15/24, 06:13:50 AM:   126 Insider Transactions.

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Buy/Sell* 1 Yr Return** Filed Date Subject Symbol Pct Owned Details
S 2020-01-07 11:41:54.0 SITIME Corp SITM 1.71% view
S 2019-02-07 07:03:51.0 Correvio Pharma Corp CRME 13.27% view
S 2018-03-02 16:29:41.0 Cardiome Pharma Corp CRME 14.59% view
B 2017-08-08 11:23:17.0 HEXCEL CORP HURN 0.0% view
S 2017-04-07 15:22:45.0 ARIAD PHARMACEUTICALS INC ARIA 15.93% view
S 2017-02-10 10:52:26.0 RUSH ENTERPRISES INC ARIA 2.55% view
S 2017-02-10 10:50:27.0 SUPERIOR ENERGY SERVICES INC PTCT 0.0% view
B 2017-02-10 10:47:41.0 Cardiome Pharma Corp CRME 2.19% view
B 2016-02-10 17:00:44.0 PTC THERAPEUTICS PTCT 5.46% view
B 2016-02-09 20:05:19.0 AMAG PHARMACEUTICALS INC AMAG 5.26% view
S 2016-02-05 17:06:59.0 DYNAVAX TECHNOLOGIES CORP DVAX 0.0% view
S 2015-11-09 12:05:00.0 Cardiome Pharma Corp CRME 16.4% view
B 2015-07-10 17:50:12.0 Cardiome Pharma Corp CRME 15.13% view
S 2015-03-06 13:08:54.0 WRIGHT MEDICAL GROUP INC WMGI 5.4% view
B 2015-02-09 19:54:32.0 DYNAVAX TECHNOLOGIES CORP DVAX 6.45% view
S 2015-02-09 19:47:43.0 Aegerion Pharmaceuticals AEGR 9.69% view
S 2014-10-07 21:29:50.0 Aegerion Pharmaceuticals AEGR 10.88% view
S 2014-02-07 10:20:45.0 TILLY TLYS 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 3.08% view
S 2014-02-07 09:07:31.0 ELAN CORP PLC ATMI 0.0% view
B 42.85% 2013-11-07 16:10:20.0 ARTHROCARE CORP ARTC 10.52% view
S 2013-02-08 10:20:11.0 XPO Logistics TLYS 5.6% 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 TITAN INTERNATIONAL INC MBLX 1.0% view
B 104.26% 2013-02-08 09:30:48.0 TESORO CORP TSO 5.65% view
S 2012-03-27 10:54:49.0 ORTHOFIX INTERNATIONAL N V MBLX 7.91% view
S 2012-03-27 10:25:52.0 ATMI INC ARTC 6.88% view
S 2012-02-13 10:59:28.0 STEWART ENTERPRISES INC SNTS 0.0% view
S 2012-02-13 10:47:58.0 ORTHOFIX INTERNATIONAL N V BLUD 1.0% view
B -10.04% 2012-02-13 10:36:24.0 DIONEX CORP DNEX 0.0% view
B 27.48% 2012-02-13 10:22:32.0 TESORO CORP TSO 5.38% view
B -70.70% 2012-02-13 10:06:01.0 METABOLIX MBLX 8.7% view
S 2011-07-08 15:43:01.0 METABOLIX MBLX 11.5% view
S 2011-03-09 12:47:58.0 SANTARUS INC ACIW 0.0% view
S 2011-02-11 09:57:36.0 EXTERRAN HOLDINGS INC HIBB 4.03% view
B 39.35% 2011-02-11 09:49:32.0 ORTHOFIX INTERNATIONAL N V OFIX 5.02% view
S 2011-02-11 09:42:41.0 SUN HEALTHCARE GROUP INC SUNH 4.39% view
S 2010-10-08 09:25:07.0 SKILLED HEALTHCARE GROUP INC n/a 16.63% view
S 2010-02-11 07:32:19.0 STEWART ENTERPRISES INC STEI 5.66% view
S 2010-02-11 07:27:15.0 OSI PHARMACEUTICALS INC OSIP 4.91% view
S 2010-02-11 07:22:30.0 HIBBETT SPORTS INC HIBB n/a view
S 2010-02-11 07:15:47.0 EAST WEST BANCORP INC EWBC 0.0% view
S 2010-02-11 07:09:36.0 ATMI INC ATMI 3.55% view
B 2010-02-11 07:03:38.0 SANTARUS INC SNTS 12.95% view
S 2009-09-09 07:42:56.0 ADOLOR CORP adlr 10.5% view
S 2009-04-09 07:56:38.0 MEDICINES CO mdco 5.32% view
S 2009-02-04 09:43:58.0 GEHL CO GEHL 0.0% view
S 2009-02-04 09:39:27.0 SRA INTERNATIONAL INC SRX 4.84% view
S 2009-02-04 09:34:56.0 POWER INTEGRATIONS INC POWI 6.4% view
B 2009-02-04 09:25:26.0 GENTIVA HEALTH SERVICES INC GTIV 4.1% view
B 5.61% 2009-02-04 09:18:39.0 PALOMAR MEDICAL TECHNOLOGIES INC ATU 6.24% view
S 2009-02-04 09:13:54.0 CORINTHIAN COLLEGES INC APOG 0.0% view
S 2009-02-04 09:07:24.0 INTERLINE BRANDS SNTS 15.54% view
B 258.91% 2009-01-09 09:02:51.0 Vanda Pharmaceuticals Inc VNDA 10.715% view
S 2008-01-10 09:19:28.0 ACI WORLDWIDE ACIW 6.68% view
S 2008-01-10 09:17:48.0 Wengen Alberta NCI 0.0% view
B -21.34% 2008-01-10 09:15:31.0 CORINTHIAN COLLEGES INC MHS 0.0% view
B -30.68% 2008-01-10 09:13:15.0 ELAN CORP PLC APOG 5.79% view
B -20.02% 2008-01-10 09:10:04.0 OSI PHARMACEUTICALS INC FIS 0.0% view
B -54.71% 2008-01-10 09:06:25.0 Vanda Pharmaceuticals Inc IBI 5.49% view
S 2008-01-10 09:04:02.0 MANOR CARE INC GTIV 5.05% view
B -37.32% 2008-01-10 09:00:17.0 STEWART ENTERPRISES INC NUAN 5.27% view
S 2008-01-10 08:56:23.0 SKILLSOFT PUBLIC LIMITED CO ROLL 7.58% view
B -32.33% 2008-01-10 08:52:01.0 ATMI INC SNTS 16.44% view
B -58.51% 2008-01-07 06:08:41.0 Vanda Pharmaceuticals Inc adlr 14.69% view
B -92.92% 2007-09-10 08:46:40.0 Vanda Pharmaceuticals Inc VNDA 10.01% view
S 2007-05-09 07:57:22.0 PALOMAR MEDICAL TECHNOLOGIES INC SNTS 14.36% view
S 2006-12-07 11:30:40.0 RBC Bearings INC BIOI 0.0% view
S 2006-02-14 00:00:00.0 Nuance Communications SSFT 0.0% view
B -84.21% 2006-02-13 00:00:00.0 GREENBRIER COMPANIES INC JRCC 5.66% view
B 38.53% 2006-02-13 00:00:00.0 GENTIVA HEALTH SERVICES INC STEI 5.11% view
B -19.85% 2006-02-13 00:00:00.0 IMMUCOR INC PFCB 6.02% 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 EXAR CORP VSEA 2.59% view
S 2006-02-10 00:00:00.0 WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP WNC 0.0% view
B 34.76% 2006-02-10 00:00:00.0 LECG CORP SKIL 7.22% view
S 2006-02-10 00:00:00.0 POLYMEDICA CORP NCI 5.84% view
S 2006-02-10 00:00:00.0 KEANE INC ATMI 6.33% view
S 2006-02-10 00:00:00.0 CONCUR TECHNOLOGIES INC CNQR 4.4% view
S 2006-02-10 00:00:00.0 RSA SECURITY INC RSAS 5.58% view
S 2006-02-10 00:00:00.0 ADVANCED DIGITAL INFORMATION CORP ADIC 0.0% view
B -20.06% 2006-02-10 00:00:00.0 RADIO ONE INC ROIA 7.34% view
B 15.48% 2005-02-14 00:00:00.0 VARIAN SEMICONDUCTOR EQUIPMENT ASSOCIATES INC VSEA 6.58% view
S 2005-02-14 00:00:00.0 ENTRAVISION COMMUNICATIONS CORP WHQ 0.0% view
B 37.25% 2005-02-14 00:00:00.0 BIOSOURCE INTERNATIONAL INC ACTU 9.02% view
B -25.32% 2005-02-14 00:00:00.0 SUPERIOR ENERGY SERVICES INC WNC 6.25% view
S 2005-02-14 00:00:00.0 NDCHEALTH CORP LIOX 0.0% view
S 2005-02-14 00:00:00.0 WILSON GREATBATCH TECHNOLOGIES INC GB 11.26% view
B -2.66% 2005-02-14 00:00:00.0 NAVIGANT CONSULTING INC SMTC 6.86% view
S 2005-02-14 00:00:00.0 SCANSOFT INC PHLY 0.0% view
S 2005-02-14 00:00:00.0 ADVANCED MAGNETICS INC AVM 7.39% view
B 15.30% 2005-02-14 00:00:00.0 INFORMATION HOLDINGS INC IHI 0.0% view
S 2005-02-14 00:00:00.0 RSA SECURITY INC RSAS 0.174% view
B 2005-02-14 00:00:00.0 COST PLUS INC CPWM 11.52% view
S 2005-02-14 00:00:00.0 WRIGHT MEDICAL GROUP INC WMGI 7.3% view
B 30.65% 2005-02-14 00:00:00.0 LEAPFROG ENTERPRISES INC LF 5.91% view
B -29.05% 2005-02-14 00:00:00.0 GUITAR CENTER INC GTRC 5.0% view
B 65.28% 2005-01-10 00:00:00.0 POLYMEDICA CORP PLMD 6.18% 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 10.5% view
B 3.74% 2004-08-12 00:00:00.0 NAVIGANT CONSULTING INC NCI 8.21% view
B 27.15% 2004-08-12 00:00:00.0 WASTE CONNECTIONS INC WCN 9.14% view
S 2004-08-12 00:00:00.0 CROSS COUNTRY HEALTHCARE INC CCRN n/a view
B 19.89% 2004-07-27 00:00:00.0 ENTRAVISION COMMUNICATIONS CORP EVC 7.17% 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 SUPERIOR ENERGY SERVICES INC SPN 6.8% view
B 50.91% 2004-07-27 00:00:00.0 SEACOR HOLDINGS INC CKH 0.0% view
B -40.73% 2004-07-27 00:00:00.0 NMS COMMUNICATIONS CORP NMSS 0.0% 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 6.83% view
B 25.49% 2004-07-27 00:00:00.0 SOUTHWEST BANCORP OF TEXAS INC SWBT 4.8% view
B 2004-07-27 00:00:00.0 STERICYCLE INC SRCL 4.6% view
B 2004-07-27 00:00:00.0 SELECT MEDICAL CORP SEM 0.0% view
B 18.45% 2004-07-27 00:00:00.0 POWER INTEGRATIONS INC POWI 9.31% view
B -11.76% 2004-07-27 00:00:00.0 WRIGHT MEDICAL GROUP INC WMGI 6.4% view
B 8.80% 2004-07-27 00:00:00.0 EAST WEST BANCORP INC EWBC 7.23% view
B -36.72% 2004-07-27 00:00:00.0 THERMA WAVE INC twav 0.0% view
B 21.75% 2004-07-27 00:00:00.0 CROSS COUNTRY HEALTHCARE INC CCRN 0.0% view
B 2004-07-26 00:00:00.0 ATLANTIC COAST AIRLINES HOLDINGS INC acai 0.0% view
B 2004-07-21 00:00:00.0 ADVANCED NEUROMODULATION SYSTEMS INC ANSI 0.0% view
B -39.54% 2004-07-21 00:00:00.0 CV THERAPEUTICS INC LIOX 10.39% 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 COST PLUS INC CPWM 10.9% view
B 2004-06-10 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.