Home Latest Filings Latest Buys Latest Sells Institutions Derivatives Hot Buys Data Screener Email Alerts Insider Charts
ESSEX INVESTMENT MANAGEMENT CO LLC
- As of  05/26/24, 05:35:46 AM:   68 Insider Transactions.

Email this page to a friend.
Buy/Sell* 1 Yr Return** Filed Date Subject Symbol Pct Owned Details
S 2012-06-08 16:48:17.0 Crumbs Bake Shop CRMB 10.8% view
B -32.08% 2011-08-10 09:25:35.0 GSE SYSTEMS INC GVP 5.36% view
B 138.75% 2010-01-25 16:18:33.0 LECROY CORP LCRY 8.11% view
B -10.76% 2010-01-25 16:07:30.0 TRANSCEND SERVICES INC TRCR 7.42% view
B 4.84% 2010-01-25 16:05:09.0 TRANSCEND SERVICES INC TRCR 6.16% view
B -74.70% 2008-01-31 10:05:02.0 LECROY CORP LCRY 5.92% view
S 2007-02-06 08:37:34.0 INTERACTIVE INTELLIGENCE INC ININ 9.13% view
B -8.13% 2006-02-09 00:00:00.0 CYNOSURE INC CYNO 9.13% view
S 2006-02-09 00:00:00.0 MARCHEX INC MCHX 5.59% view
B 32.88% 2005-05-11 00:00:00.0 MARCHEX INC MCHX 4.81% view
B 0.63% 2005-05-11 00:00:00.0 JUPITERMEDIA CORP JUPM 5.42% view
B 22.72% 2005-04-19 00:00:00.0 MICROS SYSTEMS INC MCRS 5.78% view
B 22.72% 2005-04-19 00:00:00.0 MICROS SYSTEMS INC MCRS 4.0% view
S 2005-04-19 00:00:00.0 COLDWATER CREEK INC CWTR 2.78% view
S 2005-04-19 00:00:00.0 MCDATA CORP MCDT 10.967% view
S 2004-04-12 00:00:00.0 CACHE INC CACH 5.51% view
S 2004-02-20 00:00:00.0 MICROMUSE INC MUSE 6.27% view
S 2004-02-20 00:00:00.0 INTRADO INC TRDO 6.42% view
S 2004-02-20 00:00:00.0 MERIX CORP MERX 7.14% view
S 2004-02-20 00:00:00.0 MCDATA CORP MCDT 5.61% view
S 2004-02-20 00:00:00.0 MAGMA DESIGN AUTOMATION INC LAVA 5.91% view
B -37.21% 2004-02-02 00:00:00.0 CACHE INC CACH 5.51% view
S 2004-02-02 00:00:00.0 MICROMUSE INC MUSE 6.27% view
B 2004-02-02 00:00:00.0 MARTEN TRANSPORT LTD TRDO 6.42% view
B -65.23% 2004-02-02 00:00:00.0 MICROSTRATEGY INC MSTR 5.34% view
B -51.87% 2004-02-02 00:00:00.0 MCDATA CORP MCDT 11.17% view
B -51.82% 2004-02-02 00:00:00.0 MAGMA DESIGN AUTOMATION INC LAVA 5.91% view
B 151.88% 2004-02-02 00:00:00.0 MARTEK BIOSCIENCES CORP MATK 6.79% view
B 0.11% 2003-01-14 00:00:00.0 MCDATA CORP MCDT 6.88% view
B 19.03% 2002-12-09 00:00:00.0 OSI SYSTEMS INC OSIS 15.0% view
S 2002-10-15 00:00:00.0 OSI SYSTEMS INC OSIS 14.2% view
B -0.97% 2002-08-16 00:00:00.0 OSI SYSTEMS INC OSIS 13.54% view
B -0.97% 2002-08-16 00:00:00.0 OSI SYSTEMS INC OSIS 14.11% view
B -37.05% 2002-04-10 00:00:00.0 OSI SYSTEMS INC OSIS 13.97% view
S 2002-03-08 00:00:00.0 OSI SYSTEMS INC OSIS 13.41% view
S 2002-02-11 00:00:00.0 AMERICAN SCIENCE & ENGINEERING INC ASE 14.52% view
B 4.64% 2002-01-10 00:00:00.0 VIISAGE TECHNOLOGY INC VISG 5.65% view
B 2002-01-10 00:00:00.0 SPECIALTY LABORATORIES sp 11.0% view
B -25.80% 2002-01-10 00:00:00.0 WEBSENSE INC WBSN 9.86% view
B 2002-01-10 00:00:00.0 MED medc 10.38% view
B -0.93% 2001-02-14 00:00:00.0 SUNRISE ASSISTED LIVING INC SRZ 5.94% view
B -55.80% 2001-02-14 00:00:00.0 CEPHEID cphd 9.23% view
B -60.85% 2000-05-10 00:00:00.0 ESPEED INC ESPD 16.93% view
B -25.77% 2000-02-14 00:00:00.0 MIPS TECHNOLOGIES INC MIPS 6.43% view
B -81.43% 2000-02-02 00:00:00.0 Z TEL TECHNOLOGIES INC ZTEL 5.52% view
S 2000-02-02 00:00:00.0 MICROMUSE INC MUSE 7.55% view
S 2000-01-10 00:00:00.0 RAVISENT TECHNOLOGIES INC XEDA 10.32% view
B 2000-01-10 00:00:00.0 ESPEED INC XEDA 12.22% view
S 1999-12-15 00:00:00.0 NET2PHONE INC NTOP 10.11% view
S 1999-10-12 00:00:00.0 RAVISENT TECHNOLOGIES INC XEDA 11.35% view
B 1999-09-10 00:00:00.0 RAVISENT TECHNOLOGIES INC XEDA 12.74% view
S 1999-02-05 00:00:00.0 BRIGHT HORIZONS FAMILY SOLUTIONS INC BFAM 10.09% view
B -76.27% 1999-01-08 00:00:00.0 ADVANTAGE LEARNING SYSTEMS INC RLRN 5.91% view
B -33.50% 1999-01-08 00:00:00.0 DIGITAL RIVER INC DRIV 7.73% view
B 1999-01-08 00:00:00.0 BRIGHT HORIZONS FAMILY SOLUTIONS INC MUSE 10.21% view
S 1998-12-11 00:00:00.0 BRIGHT HORIZONS FAMILY SOLUTIONS INC BFAM 11.26% view
B -29.98% 1998-10-08 00:00:00.0 BRIGHT HORIZONS FAMILY SOLUTIONS INC BFAM 12.87% view
S 1998-08-10 00:00:00.0 RIT TECHNOLOGIES LTD RITT 11.23% view
B -27.35% 1998-08-10 00:00:00.0 BRIGHT HORIZONS FAMILY SOLUTIONS INC BFAM 12.62% view
B -55.02% 1998-07-08 00:00:00.0 EVOLVING SYSTEMS INC EVOL 10.58% view
B -88.51% 1998-06-09 00:00:00.0 RIT TECHNOLOGIES LTD RITT 12.23% view
B -82.34% 1998-01-29 00:00:00.0 RIT TECHNOLOGIES LTD RITT 7.98% view
B 1998-01-29 00:00:00.0 BIOTIME INC BTIM 5.11% view
B 27.92% 1998-01-29 00:00:00.0 RADIANT SYSTEMS INC HLIT 4.94% view
B 1997-01-10 00:00:00.0 PUMA TECHNOLOGY INC PUMA 7.94% view
B -56.10% 1997-01-10 00:00:00.0 DIGITAL MICROWAVE CORP STXN 5.84% view
B 1997-01-10 00:00:00.0 CITRIX SYSTEMS INC CTXS 3.21% view
B 1997-01-10 00:00:00.0 COMPUTER TASK GROUP INC CTG 8.94% 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.