Eugene H. Rotberg serves as Executive at MARTEK BIOSCIENCES CORP, where they oversee executive responsibilities. Since joining the company, Eugene H. Rotberg has executed 9 insider transactions totaling $0, demonstrating a balanced approach to their equity position. Their most recent transaction on Feb 25, 2011 involved selling 2,533 shares valued at $79.8K.
Eugene H. Rotberg currently holds 2,533 shares of MARTEK BIOSCIENCES CORP (MATK), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Eugene H. Rotberg has been a net neutral trader of MATK stock. They have purchased $0 and sold $0 worth of shares.
Eugene H. Rotberg's most recent insider trade was on Feb 25, 2011, when they sold 2,533 shares at $31.50 per share.
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| $N/A |
| Discretionary |
| Feb 18, 2011 | MATK | $1.7M | Tender | 55,206 | $31.50 | Discretionary |
| Feb 18, 2011 | MATK | $229.9K | Tender | 7,300 | $31.50 | Discretionary |
| Feb 18, 2011 | MATK | $229.9K | Tender | 7,300 | $31.50 | Discretionary |
| Mar 18, 2010 | MATK | $0 | Option Exercise | 3,515 | $N/A | Discretionary |
| Mar 13, 2009 | MATK | $0 | Option Exercise | 2,034 | $N/A | Discretionary |
| Mar 13, 2008 | MATK | $0 | Option Exercise | 2,907 | $N/A | Discretionary |
| Jan 2, 2008 | MATK | $72.2K | Option Exercise | 5,000 | $14.44 | Discretionary |