David A. Stamler serves as Executive at XENOPORT INC, where they oversee executive responsibilities. Since joining the company, David A. Stamler has executed 15 insider transactions totaling $382.5K, demonstrating a bearish approach to their equity position. Their most recent transaction on May 5, 2015 involved transacting 1,627 shares valued at $0.
David A. Stamler currently holds 3,583 shares of XENOPORT INC (XNPT), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, David A. Stamler has been a net seller of XNPT stock. They have purchased $0 and sold $382.5K worth of shares.
David A. Stamler's most recent insider trade was on May 5, 2015, when they sold 1,627 shares at $0.00 per share.
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| $79.55 |
| Discretionary |
| Mar 16, 2015 | ASPX | $2.7K | Option Exercise | 3,000 | $0.90 | Discretionary |
| Mar 16, 2015 | ASPX | $208.2K | Sale | 2,600 | $80.08 | Discretionary |
| Dec 22, 2014 | ASPX | $59.3K | Sale | 1,100 | $53.92 | Discretionary |
| Dec 22, 2014 | ASPX | $83.1K | Sale | 1,560 | $53.28 | Discretionary |
| Dec 22, 2014 | ASPX | $2.4K | Option Exercise | 2,660 | $0.90 | Discretionary |
| Aug 2, 2010 | XNPT | $5.5K | Payment | 893 | $6.18 | Discretionary |
| Aug 2, 2010 | XNPT | $0 | Option Exercise | 2,500 | $N/A | Discretionary |
| Jan 28, 2010 | XNPT | $8.0K | Payment | 430 | $18.55 | Discretionary |
| Jan 28, 2010 | XNPT | $0 | Option Exercise | 1,000 | $N/A | Discretionary |
| Aug 10, 2009 | XNPT | $17.9K | Payment | 893 | $20.10 | Discretionary |
| Aug 10, 2009 | XNPT | $0 | Option Exercise | 2,500 | $N/A | Discretionary |
| Jan 14, 2009 | XNPT | $0 | Option Exercise | 3,309 | $N/A | Discretionary |
| Jan 14, 2009 | XNPT | $38.3K | Payment | 1,419 | $26.97 | Discretionary |