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Latest filing published 01 Mar 2011 for MARTEK BIOSCIENCES CORP.
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Not enough history yet: 0 closed purchases, at least 2 are needed.
David M. Abramson is a declared insider of Martek Biosciences Corp, with filings sourced from SEC (Form 4). Between 5 April 2007 and 25 February 2011, the trades on record add up to 10 filings.
Every open-market trade on record is a purchase: 1 purchase worth €16k, and no sale. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Besides market trades, the filings include 4 share grants and 3 option exercises.
The latest filing, published on 1 March 2011, reports a share grant in Martek Biosciences Corp. The last insider purchase was made public on 5 April 2007, 7,142 days ago. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 4 days. US insiders must file a Form 4 within two business days of a trade. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.
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