Dear Valued Visitor,

We have noticed that you are using an ad blocker software.

Although advertisements on the web pages may degrade your experience, our business certainly depends on them and we can only keep providing you high-quality research based articles as long as we can display ads on our pages.

To view this article, you can disable your ad blocker and refresh this page or simply login.

We only allow registered users to use ad blockers. You can sign up for free by clicking here or you can login if you are already a member.

Martek Biosciences Corp (MATK)

Hedge Fund Holdings
Filing Period:
No. Hedge Fund Shares Value (x$1000) Activity % Port
1. 0 $0 0%
D E Shaw

D. E. Shaw

0 $0 0%
3. 0 $0 0%
4. 0 $0 0%
Insider Trading: Purchases See All
Insider Price Amount Relationship Remaning Holdings Date Form 4
$31.50 15,712,946 Large Shareholder 45,755,200 2011-02-22 Filing
$31.50 245,302 Large Shareholder 30,042,254 2011-02-24 Filing
$31.50 17,000 Large Shareholder 29,796,952 2011-02-23 Filing
$31.50 32 Large Shareholder 29,779,952 2011-02-22 Filing
$20.96 2,000 Officer, Director 32,462 2010-07-07 Filing
Insider Trading: Sales See All
Insider Price Amount Relationship Remaining Holdings Date Form 4
$23.80 4,907 Director 17,223 2009-09-23 Filing

Thanks! An email with instructions is sent to !

Your email already exists in our database. Click here to go to your subscriptions

Insider Monkey returned 102% in 3 years!! Wondering How?

Download a complete edition of our newsletter for free!