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OBERWEIS ASSET MANAGEMENT INC
- As of  01/26/25, 09:01:43 AM:   55 Insider Transactions.

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Buy/Sell* 1 Yr Return** Filed Date Subject Symbol Pct Owned Details
S 2015-02-13 10:57:25.0 NQ Mobile Inc n/a 0.0% view
B 2014-02-14 11:36:58.0 NQ Mobile Inc n/a 6.6% view
B 12.82% 2011-02-14 10:51:03.0 PERMA FIX ENVIRONMENTAL SERVICES INC PESI 0.0% view
B -46.15% 2011-02-14 10:48:39.0 GSE SYSTEMS INC GVP 2.5% view
B -63.19% 2011-02-14 10:45:47.0 American Caresource Holdings ANCI 0.0% view
S 2008-02-14 10:20:33.0 EDGEWATER TECHNOLOGY INC EDGW 1.0% view
B -61.83% 2008-02-14 10:19:29.0 Obagi Medical Products OMPI 5.6% view
S 2008-02-14 10:18:33.0 ID SYSTEMS INC IDSY 0.0% view
S 2008-02-14 10:17:08.0 VASCO DATA SECURITY INTERNATIONAL INC VDSI 3.6% view
B 2008-02-14 10:14:57.0 Omrix Biopharmaceuticals OMRI 6.9% view
S 2008-02-14 10:13:58.0 ANGEION CORP ANGN 0.0% view
B 2008-02-14 10:12:09.0 Double DBTK 5.7% view
S 2008-02-14 10:11:57.0 SILICOM LTD n/a 3.8% view
B 2008-02-14 10:03:28.0 SILVERSTAR HOLDINGS LTD SSTR 7.5% view
B -66.67% 2008-02-14 09:55:33.0 SIMULATIONS PLUS INC SLP 6.4% view
B 2007-02-14 15:01:58.0 SILICOM LTD n/a 6.0% view
B -51.35% 2007-02-14 15:01:44.0 ANGEION CORP ANGN 5.5% view
B 2007-02-14 15:00:53.0 ORCKIT COMMUNICATIONS LTD n/a 0.0% view
B -9.35% 2007-02-14 15:00:40.0 EDGEWATER TECHNOLOGY INC EDGW 5.4% view
S 2007-02-14 14:59:52.0 ONLINE RESOURCES CORP ORCC 3.2% view
S 2007-02-14 14:58:55.0 CARRIZO OIL & GAS INC NASD 3.2% view
B -28.80% 2007-02-14 14:58:01.0 Omrix Biopharmaceuticals OMRI 6.1% view
S 2007-02-14 14:56:47.0 ID SYSTEMS INC IDSY 5.4% view
S 2007-02-14 14:56:30.0 VASCO DATA SECURITY INTERNATIONAL INC VDSI 6.0% view
S 2007-02-14 12:53:21.0 ALDILA INC ALDA 0.0% view
B 2007-02-14 12:52:21.0 ACE COMM CORP ACEC 0.0% view
S 2007-02-14 12:51:44.0 WEBSIDESTORY INC WSSI 0.0% view
S 2007-02-14 12:50:18.0 ADAM INC ADAM 0.0% view
S 2007-02-14 12:49:53.0 VSE CORP vsec 0.0% view
S 2007-02-14 12:49:07.0 ADEZA BIOMEDICAL CORP ADZA 0.0% view
S 2007-02-14 12:48:48.0 HEALTH GRADES INC HGRD 0.9% view
S 2007-02-14 12:48:00.0 ASV INC asvi 0.0% view
B -34.30% 2006-02-14 00:00:00.0 ADAM INC ADAM 6.3% view
S 2006-02-14 00:00:00.0 RELM WIRELESS CORP RELM 0.0% view
B 6.71% 2006-02-14 00:00:00.0 ADEZA BIOMEDICAL CORP ADZA 5.7% view
B 2.01% 2006-02-14 00:00:00.0 WEBSIDESTORY INC WSSI 5.2% view
B -21.54% 2006-02-14 00:00:00.0 ONLINE RESOURCES CORP ORCC 5.8% view
B -20.78% 2006-02-14 00:00:00.0 VSE CORP vsec 5.1% view
B 48.49% 2006-02-14 00:00:00.0 VASCO DATA SECURITY INTERNATIONAL INC VDSI 6.0% view
B -44.56% 2006-02-14 00:00:00.0 ASV INC asvi 5.2% view
B -2.92% 2006-02-14 00:00:00.0 HEALTH GRADES INC HGRD 5.2% view
B -27.85% 2006-02-14 00:00:00.0 ID SYSTEMS INC IDSY 7.5% view
B -32.99% 2006-02-14 00:00:00.0 ALDILA INC ALDA 5.3% view
B 29.93% 2006-02-14 00:00:00.0 CARRIZO OIL & GAS INC CRZO 5.1% view
S 2006-02-14 00:00:00.0 CENTRAL EUROPEAN DISTRIBUTION CORP CEDC 2.9% view
S 2005-02-14 00:00:00.0 TECHNOLOGY RESEARCH CORP trci 0.0% view
S 2005-02-14 00:00:00.0 ARGON ST stst 0.0% view
S 2005-02-14 00:00:00.0 MIKRON INFRARED INC mikr 0.0% view
B 18.15% 2005-02-14 00:00:00.0 CENTRAL EUROPEAN DISTRIBUTION CORP CEDC 5.9% view
B 2005-02-14 00:00:00.0 RELM WIRELESS CORP RELM 5.2% view
B -43.55% 2004-02-26 00:00:00.0 TECHNOLOGY RESEARCH CORP trci 6.4% view
B 2004-02-26 00:00:00.0 SENSYTECH INC stst 5.2% view
B 45.00% 2004-02-26 00:00:00.0 MIKRON INFRARED INC mikr 6.0% view
S 2004-02-26 00:00:00.0 RIVIERA TOOL CO RTC 0.0% view
B -59.72% 2003-09-10 00:00:00.0 RIVIERA TOOL CO RTC 10.4% 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.