David M. Pernock serves as Executive at MARTEK BIOSCIENCES CORP, where they oversee executive responsibilities. Since joining the company, David M. Pernock has executed 4 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.
David M. Pernock 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, David M. Pernock has been a net neutral trader of MATK stock. They have purchased $0 and sold $0 worth of shares.
David M. Pernock'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 | $77.1K | Tender | 2,449 | $31.50 | Discretionary |
| Sep 17, 2010 | MATK | $0 | Option Exercise | 2,449 | $N/A | Discretionary |