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WESTFIELD CAPITAL MANAGEMENT CO LLC
- As of  05/23/24, 01:50:24 AM:   118 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
B 5.61% 2009-02-04 09:16:39.0 ACTUANT CORP ATU 6.24% view
B -32.44% 2009-02-04 09:12:23.0 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 ACI WORLDWIDE ACIW 6.68% view
B 2008-01-10 09:18:47.0 MGI PHARMA INC MOGN 0.0% view
S 2008-01-10 09:17:12.0 NAVIGANT CONSULTING INC NCI 0.0% view
B 17.72% 2008-01-10 09:15:31.0 CORINTHIAN COLLEGES INC COCO 4.97% view
B -81.68% 2008-01-10 09:13:28.0 VALASSIS COMMUNICATIONS INC VCI 0.0% view
B -30.68% 2008-01-10 09:12:48.0 APOGEE ENTERPRISES INC APOG 5.79% view
B -12.94% 2008-01-10 09:10:04.0 OSI PHARMACEUTICALS INC OSIP 8.22% view
S 2008-01-10 09:08:08.0 GEHL CO GEHL 0.07% view
B -54.71% 2008-01-10 09:06:09.0 INTERLINE BRANDS IBI 5.49% view
B 2008-01-10 09:04:02.0 MANOR CARE INC HCR 12.0% view
S 2008-01-10 09:02:47.0 PALOMAR MEDICAL TECHNOLOGIES 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 SKILLSOFT PUBLIC LIMITED CO SKIL 7.45% view
B -33.59% 2008-01-10 08:52:23.0 SCHAWK INC SGK 2.68% view
B -32.33% 2008-01-10 08:51:44.0 SANTARUS INC SNTS 16.44% view
S 2008-01-07 06:08:41.0 Vanda Pharmaceuticals Inc VNDA 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 -63.62% 2007-05-09 07:57:22.0 PALOMAR MEDICAL TECHNOLOGIES INC PMTI 10.08% view
B -42.96% 2007-04-12 11:36:28.0 ADOLOR CORP adlr 11.35% view
S 2006-06-02 00:00:00.0 BIOSOURCE INTERNATIONAL INC BIOI 0.0% view
S 2006-02-14 00:00:00.0 Nuance Communications SSFT 4.07% view
B -0.11% 2006-02-14 00:00:00.0 GEHL CO GEHL 7.21% view
B -84.21% 2006-02-13 00:00:00.0 James River Coal CO JRCC 5.66% view
B 24.41% 2006-02-13 00:00:00.0 GENTIVA HEALTH SERVICES INC GTIV 9.67% view
B -45.64% 2006-02-13 00:00:00.0 ASV INC asvi 9.77% view
B -19.85% 2006-02-13 00:00:00.0 P F CHANGS CHINA BISTRO INC PFCB 6.02% view
B 2006-02-13 00:00:00.0 LAUREATE EDUCATION slvn 2.84% view
B 17.63% 2006-02-13 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn 6.05% view
S 2006-02-10 00:00:00.0 VARIAN SEMICONDUCTOR EQUIPMENT ASSOCIATES INC VSEA 2.59% view
S 2006-02-10 00:00:00.0 WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP WAB 0.28% view
S 2006-02-10 00:00:00.0 SRA INTERNATIONAL INC SRX 4.38% view
B 34.76% 2006-02-10 00:00:00.0 SKILLSOFT PUBLIC LIMITED CO SKIL 7.22% view
S 2006-02-10 00:00:00.0 POLYMEDICA CORP PLMD 7.76% view
S 2006-02-10 00:00:00.0 SEMTECH CORP SMTC 0.0% view
S 2006-02-10 00:00:00.0 ATMI INC ATMI 6.33% 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 4.58% view
S 2006-02-10 00:00:00.0 LAUREATE EDUCATION slvn 0.0% view
B -20.06% 2006-02-10 00:00:00.0 WABASH NATIONAL CORP WNC 7.34% view
B 33.28% 2005-02-14 00:00:00.0 VARIAN SEMICONDUCTOR EQUIPMENT ASSOCIATES INC VSEA 7.72% view
S 2005-02-14 00:00:00.0 FLEETWOOD ENTERPRISES INC AH 0.0% view
S 2005-02-14 00:00:00.0 ENTRAVISION COMMUNICATIONS CORP WHQ 0.0% view
B 2005-02-14 00:00:00.0 SANTARUS INC BIOI 5.82% view
B 70.30% 2005-02-14 00:00:00.0 ACTUATE CORP WAB 5.77% 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 SRA INTERNATIONAL INC SRX 0.0% view
B -9.41% 2005-02-14 00:00:00.0 LIONBRIDGE TECHNOLOGIES INC LIOX 8.1% view
S 2005-02-14 00:00:00.0 WILSON GREATBATCH TECHNOLOGIES INC GB 11.26% view
S 2005-02-14 00:00:00.0 POLYMEDICA CORP PLMD 7.03% view
B -19.39% 2005-02-14 00:00:00.0 SEMTECH CORP SMTC 7.38% view
S 2005-02-14 00:00:00.0 SCANSOFT INC SSFT 0.0% view
B 2005-02-14 00:00:00.0 ATMI INC AVM 6.31% view
S 2005-02-14 00:00:00.0 SOUTHWEST BANCORP OF TEXAS INC CNQR 10.55% view
B 15.30% 2005-02-14 00:00:00.0 INFORMATION HOLDINGS INC HCR 5.55% view
S 2005-02-14 00:00:00.0 ADVANCED MEDICAL OPTICS INC AVO 0.174% view
B -18.29% 2005-02-14 00:00:00.0 POWER INTEGRATIONS INC POWI 5.86% view
B 2005-02-14 00:00:00.0 COST PLUS INC CPWM 7.31% view
S 2005-02-14 00:00:00.0 APOLLO GROUP INC WMGI 7.3% view
S 2005-02-14 00:00:00.0 LAUREATE EDUCATION slvn 6.08% view
B 30.65% 2005-02-14 00:00:00.0 LEAPFROG ENTERPRISES INC TSAI 5.91% view
S 2005-02-14 00:00:00.0 WASTE CONNECTIONS INC GTRC 0.0% view
S 2005-02-14 00:00:00.0 RADIO ONE INC ROIA 0.0% view
B 65.28% 2004-10-08 00:00:00.0 POLYMEDICA CORP PLMD 6.18% view
S 2004-08-12 00:00:00.0 VARIAN SEMICONDUCTOR EQUIPMENT ASSOCIATES INC VSEA 6.19% view
S 2004-08-12 00:00:00.0 ARMOR HOLDINGS INC AH 9.35% 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 APOL 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 NMSS 14.16% view
B -1.92% 2004-07-27 00:00:00.0 QUINTON CARDIOLOGY SYSTEMS INC QUIN 5.56% view
B 45.01% 2004-07-27 00:00:00.0 KEANE INC KEA 7.18% view
B 13.26% 2004-07-27 00:00:00.0 PHILADELPHIA CONSOLIDATED HOLDING CORP PHLY 0.0% view
B 25.49% 2004-07-27 00:00:00.0 SOUTHWEST BANCORP OF TEXAS INC SWBT 4.8% view
B 12.49% 2004-07-27 00:00:00.0 P F CHANGS CHINA BISTRO INC PFCB 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 RSAS 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 WMGI 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 EWBC 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 GUITAR CENTER INC GTRC 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 ARDM 0.0% view
B 93.24% 2004-07-21 00:00:00.0 CV THERAPEUTICS INC CVTX 5.41% view
B -39.54% 2004-06-14 00:00:00.0 LIONBRIDGE TECHNOLOGIES INC LIOX 10.39% view
B 11.82% 2004-06-10 00:00:00.0 POLYMEDICA CORP PLMD 10.24% view
B 11.82% 2004-06-10 00:00:00.0 POLYMEDICA CORP PLMD 9.98% view
B -4.44% 2004-06-10 00:00:00.0 CONCUR TECHNOLOGIES INC CNQR 10.69% view
B -4.44% 2004-06-10 00:00:00.0 CONCUR TECHNOLOGIES INC CNQR 8.83% view
B -24.86% 2004-06-10 00:00:00.0 COST PLUS INC CPWM 11.67% view
B -24.86% 2004-06-10 00:00:00.0 COST PLUS INC CPWM 10.9% view
B -24.86% 2004-06-10 00:00:00.0 COST PLUS INC CPWM 9.47% view
B 72.30% 2002-12-05 00:00:00.0 ARMOR HOLDINGS INC AH 10.0% view
B 2002-09-06 00:00:00.0 QUINTON CARDIOLOGY SYSTEMS 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.