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- As of  06/16/24, 01:14:15 AM:   43 Insider Transactions.

Sector: Unknown    Industry: Unknown
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Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
B 2020-02-07 08:45:52.0 MARTEK BIOSCIENCES CORP MATK DIMENSIONAL FUND ADVISORS LP 0.0% view
B 2012-02-13 20:07:04.0 MARTEK BIOSCIENCES CORP MATK Royal DSM N 100.0% view
B 2011-02-14 22:00:12.0 MARTEK BIOSCIENCES CORP MATK DIMENSIONAL FUND ADVISORS LP 6.28% view
B 2011-02-10 07:00:47.0 MARTEK BIOSCIENCES CORP MATK BlackRock Inc 7.6% view
S 2010-02-12 16:01:20.0 MARTEK BIOSCIENCES CORP MATK FRIESS ASSOCIATES LLC 2.9% view
B 2010-02-05 11:49:17.0 MARTEK BIOSCIENCES CORP MATK VANGUARD GROUP INC n/a view
B 2008-07-31 15:21:02.0 MARTEK BIOSCIENCES CORP MATK STATE STREET BANK & TRUST CO 7.69% view
B 2008-02-13 18:10:03.0 MARTEK BIOSCIENCES CORP MATK LORD ABBETT & CO LLC 9.91% view
B 2008-02-13 11:59:42.0 MARTEK BIOSCIENCES CORP MATK CAPITAL RESEARCH & MANAGEMENT CO 0.0% view
B 2007-07-09 14:02:01.0 MARTEK BIOSCIENCES CORP MATK LORD ABBETT & CO LLC 5.6% view
S 2007-02-09 17:40:51.0 MARTEK BIOSCIENCES CORP MATK CAPITAL RESEARCH & MANAGEMENT CO 7.8% view
B 2006-04-10 00:00:00.0 MARTEK BIOSCIENCES CORP MATK FMR CORP n/a view
S 2006-02-10 00:00:00.0 MARTEK BIOSCIENCES CORP MATK CAPITAL RESEARCH & MANAGEMENT CO 5.9% view
B 2006-01-10 00:00:00.0 MARTEK BIOSCIENCES CORP MATK FMR CORP 11.2% view
S 2005-02-08 00:00:00.0 MARTEK BIOSCIENCES CORP MATK WADDELL & REED FINANCIAL INC 0.1% view
S 2004-02-20 00:00:00.0 MARTEK BIOSCIENCES CORP MATK ESSEX INVESTMENT MANAGEMENT CO LLC 0.9% view
S 2004-02-12 00:00:00.0 MARTEK BIOSCIENCES CORP MATK EASTBOURNE CAPITAL MANAGEMENT LLC 0.7285% view
S 2004-02-02 00:00:00.0 MARTEK BIOSCIENCES CORP MATK ESSEX INVESTMENT MANAGEMENT CO LLC 1.3% view
S 2003-04-17 00:00:00.0 MARTEK BIOSCIENCES CORP MATK EASTBOURNE CAPITAL MANAGEMENT LLC 0.0% view
B 2003-02-14 00:00:00.0 MARTEK BIOSCIENCES CORP MATK COLLEGE RETIREMENT EQUITIES FUND 5.867% view
S 2003-02-13 00:00:00.0 MARTEK BIOSCIENCES CORP MATK EASTBOURNE CAPITAL MANAGEMENT LLC 0.22% view
S 2003-01-28 00:00:00.0 MARTEK BIOSCIENCES CORP MATK HAYWOOD GEORGE WEAVER 5.4% view
S 2002-11-04 00:00:00.0 MARTEK BIOSCIENCES CORP MATK EASTBOURNE CAPITAL MANAGEMENT LLC 16.3% view
S 2002-02-11 00:00:00.0 MARTEK BIOSCIENCES CORP MATK MASSACHUSETTS FINANCIAL SERVICES CO 3.8% view
S 2002-02-08 00:00:00.0 MARTEK BIOSCIENCES CORP MATK BANK OF AMERICA CORP 10.94% view
B 2002-02-08 00:00:00.0 MARTEK BIOSCIENCES CORP MATK STATE OF WISCONSIN INVESTMENT BOARD 10.95% view
S 2001-02-14 00:00:00.0 MARTEK BIOSCIENCES CORP MATK EASTBOURNE CAPITAL MANAGEMENT LLC 7.218% view
B 2001-02-12 00:00:00.0 MARTEK BIOSCIENCES CORP MATK MASSACHUSETTS FINANCIAL SERVICES CO 6.3% view
S 2001-02-09 00:00:00.0 MARTEK BIOSCIENCES CORP MATK H&Q HEALTHCARE INVESTORS 1.0% view
B 2000-02-15 00:00:00.0 MARTEK BIOSCIENCES CORP MATK BANK OF AMERICA CORP 9.27% view
S 2000-02-14 00:00:00.0 MARTEK BIOSCIENCES CORP MATK COLLEGE RETIREMENT EQUITIES FUND 7.783% view
B 2000-02-09 00:00:00.0 MARTEK BIOSCIENCES CORP MATK EASTBOURNE CAPITAL MANAGEMENT LLC 6.57% view
B 1999-06-09 00:00:00.0 MARTEK BIOSCIENCES CORP MATK HAYWOOD GEORGE WEAVER 6.1% view
S 1999-04-07 00:00:00.0 MARTEK BIOSCIENCES CORP MATK STATE OF WISCONSIN INVESTMENT BOARD 11.06% view
S 1999-02-11 00:00:00.0 MARTEK BIOSCIENCES CORP MATK COLLEGE RETIREMENT EQUITIES FUND 8.807% view
S 1999-02-09 00:00:00.0 MARTEK BIOSCIENCES CORP MATK STATE OF WISCONSIN INVESTMENT BOARD 8.9% view
B 1999-01-12 00:00:00.0 MARTEK BIOSCIENCES CORP MATK NATIONSBANK CORP 7.18% view
S 1998-02-12 00:00:00.0 MARTEK BIOSCIENCES CORP MATK H&Q HEALTHCARE INVESTORS 5.47% view
B 1998-01-26 00:00:00.0 MARTEK BIOSCIENCES CORP MATK PUTNAM INVESTMENTS INC 9.61% view
B 1997-07-10 00:00:00.0 MARTEK BIOSCIENCES CORP MATK H&Q HEALTHCARE INVESTORS 5.51% view
S 1997-02-10 00:00:00.0 MARTEK BIOSCIENCES CORP MATK PUTNAM INVESTMENTS INC 12.0% view
B 1996-02-07 00:00:00.0 MARTEK BIOSCIENCES CORP MATK COLLEGE RETIREMENT EQUITIES FUND 7.91% view
B 1995-02-10 00:00:00.0 MARTEK BIOSCIENCES CORP MATK OPPENHEIMER MANAGEMENT CORP 5.09% 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.