Robert H. Mayer serves as Executive at MARTEK BIOSCIENCES CORP, where they oversee executive responsibilities. Since joining the company, Robert H. Mayer has executed 5 insider transactions totaling $0, demonstrating a balanced approach to their equity position. Their most recent transaction on Feb 25, 2011 involved receiving (via award) 6,048 shares valued at $0.
Robert H. Mayer currently holds 6,048 shares of MARTEK BIOSCIENCES CORP (MATK), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Robert H. Mayer has been a net neutral trader of MATK stock. They have purchased $0 and sold $0 worth of shares.
Robert H. Mayer's most recent insider trade was on Feb 25, 2011, when they sold 6,048 shares at $0.00 per share.
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| $31.50 |
| Discretionary |
| Feb 18, 2011 | MATK | $121.2K | Tender | 3,847 | $31.50 | Discretionary |
| Mar 13, 2009 | MATK | $0 | Option Exercise | 2,034 | $N/A | Discretionary |
| Mar 6, 2009 | MATK | $0 | Option Exercise | 1,813 | $N/A | Discretionary |