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MATK - As of  05/23/24, 08:34:17 AM:   7 Insider Transactions.

Sector:    Industry:
Prev Close:$31.49  Avg Vol(3m): 1,068,340  P/E: 0.00  EPS: 0.00

Email this page to a friend.    Insider Transactions for MATK

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
B 2013-02-11 17:07:23.0 MARTEK BIOSCIENCES CORP MATK DIMENSIONAL FUND ADVISORS LP 0.0% view
S 2012-02-13 20:07:04.0 MARTEK BIOSCIENCES CORP MATK DIMENSIONAL FUND ADVISORS LP 0.0% view
B 2011-02-28 14:55:57.0 MARTEK BIOSCIENCES CORP MATK Royal DSM N 100.0% view
B 2011-02-14 22:00:12.0 MARTEK BIOSCIENCES CORP MATK PAULSON & CO INC 8.95% view
B 2011-02-11 14:06:08.0 MARTEK BIOSCIENCES CORP MATK DIMENSIONAL FUND ADVISORS LP 6.28% view
S 2011-02-10 07:00:47.0 MARTEK BIOSCIENCES CORP MATK VANGUARD GROUP INC 4.99% view
B 2011-02-07 09:07:02.0 MARTEK BIOSCIENCES CORP MATK BlackRock Inc 7.6% 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.