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GRUVERMAN IRWIN J
- As of  04/28/24, 12:44:46 PM:   13 Insider Transactions.

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Buy/Sell* 1 Yr Return** Filed Date Subject Symbol Pct Owned Details
S 2011-01-13 17:01:37.0 MICROFLUIDICS INTERNATIONAL CORP MFLU 16.28% view
B 2008-02-15 09:37:30.0 MFIC CORP MFIC 100.0% view
B 145.71% 2003-11-21 00:00:00.0 MFIC CORP MFIC 23.96% view
S 2000-03-07 00:00:00.0 BOSTON BIOMEDICA INC PBIO 2.2% view
B -4.00% 2000-02-14 00:00:00.0 MICROFLUIDICS INTERNATIONAL CORP MFIC 11.68% view
B 23.37% 2000-01-19 00:00:00.0 NORTH AMERICAN SCIENTIFIC INC NASI 6.8% view
S 1999-02-12 00:00:00.0 NORTH AMERICAN SCIENTIFIC INC NASI 6.7% view
S 1999-02-11 00:00:00.0 MICROFLUIDICS INTERNATIONAL CORP MFIC 10.3% view
S 1998-02-17 00:00:00.0 MICROFLUIDICS INTERNATIONAL CORP MFIC 14.4% view
S 1998-02-04 00:00:00.0 NORTH AMERICAN SCIENTIFIC INC NASI 6.98% view
B 37.33% 1997-04-21 00:00:00.0 MICROFLUIDICS INTERNATIONAL CORP MFIC 21.6% view
B -22.07% 1997-02-21 00:00:00.0 BOSTON BIOMEDICA INC PBIO 8.4% view
B 1997-02-12 00:00:00.0 NORTH AMERICAN SCIENTIFIC INC NASI 10.3% 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.