Mark Slezak serves as Executive at NANOSPHERE INC, where they oversee executive responsibilities. Since joining the company, Mark Slezak has executed 56 insider transactions totaling $13.9M, demonstrating a bullish approach to their equity position. Their most recent transaction on Nov 6, 2007 involved exercising options for 2,145,397 shares valued at $0.
Mark Slezak currently holds 5,006,136 shares of NANOSPHERE INC (NSPH), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Mark Slezak has been a net buyer of NSPH stock. They have purchased $13.9M and sold $0 worth of shares.
Mark Slezak's most recent insider trade was on Nov 6, 2007, when they sold 2,145,397 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Nov 6, 2007 | NSPH | $0 | Conversion | 411,428 | $N/A | Discretionary |
| Nov 6, 2007 | NSPH | $0 | Other | 1,467 | $N/A | Discretionary |
| Nov 6, 2007 | NSPH | $0 | Other | 1,467 | $N/A | Discretionary |
| Nov 6, 2007 | NSPH | $0 | Other | 76,466 | $N/A | Discretionary |