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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
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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.