David W. Gryska serves as Executive at SEATTLE GENETICS INC /WA, where they oversee executive responsibilities. Since joining the company, David W. Gryska has executed 135 insider transactions totaling $23.7M, demonstrating a bearish approach to their equity position. Their most recent transaction on May 28, 2014 involved receiving (via award) 5,371 shares valued at $50.0K.
David W. Gryska currently holds 17,351 shares of SEATTLE GENETICS INC /WA (SGEN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, David W. Gryska has been a net seller of SGEN stock. They have purchased $20.9K and sold $23.7M worth of shares.
David W. Gryska's most recent insider trade was on May 28, 2014, when they sold 5,371 shares at $9.31 per share.
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| $N/A |
| Discretionary |
| Mar 6, 2014 | PDLI | $50.0K | Award | 5,981 | $8.36 | Discretionary |
| Sep 3, 2013 | SGEN | $100.8K | Option Exercise | 10,000 | $10.08 | Discretionary |
| Sep 3, 2013 | SGEN | $424.8K | Sale | 10,000 | $42.48 | Discretionary |
| Jul 16, 2013 | SGEN | $0 | Gift | 250 | $N/A | Discretionary |
| May 17, 2013 | SGEN | $0 | Award | 3,500 | $N/A | Discretionary |
| Feb 26, 2013 | SGEN | $25.0K | Option Exercise | 5,000 | $5.00 | Discretionary |
| Feb 26, 2013 | SGEN | $41.9K | Option Exercise | 5,000 | $8.38 | Discretionary |
| Feb 25, 2013 | SGEN | $271.7K | Sale | 10,000 | $27.17 | Discretionary |
| Aug 10, 2012 | SGEN | $37.5K | Option Exercise | 7,500 | $5.00 | Discretionary |
| Aug 6, 2012 | SGEN | $0 | Gift | 500 | $N/A | Discretionary |
| Jun 5, 2012 | SGEN | $158.0K | Sale | 8,000 | $19.75 | Discretionary |
| Dec 15, 2011 | SGEN | $22.5K | Option Exercise | 4,500 | $5.00 | Discretionary |
| Dec 9, 2011 | SGEN | $180.9K | Sale | 10,000 | $18.09 | Discretionary |
| Dec 13, 2010 | SGEN | $0 | Gift | 500 | $N/A | Discretionary |
| Nov 12, 2010 | SGEN | $20.0K | Option Exercise | 4,000 | $5.00 | Discretionary |
| May 4, 2010 | CELG | $105.6K | Option Exercise | 2,708 | $39.01 | Discretionary |
| May 4, 2010 | CELG | $206.7K | Sale | 3,445 | $60.00 | Discretionary |
| May 4, 2010 | CELG | $188.8K | Option Exercise | 3,750 | $50.36 | Discretionary |
| May 4, 2010 | CELG | $128.9K | Sale | 2,149 | $60.00 | Discretionary |
| May 3, 2010 | CELG | $462.2K | Sale | 7,499 | $61.63 | Discretionary |
| May 3, 2010 | CELG | $372.0K | Option Exercise | 7,499 | $49.61 | Discretionary |
| May 3, 2010 | CELG | $1.3M | Option Exercise | 25,000 | $51.24 | Discretionary |
| May 3, 2010 | CELG | $1.5M | Sale | 25,000 | $61.63 | Discretionary |
| Feb 17, 2010 | SGEN | $16.7K | Option Exercise | 4,000 | $4.18 | Discretionary |
| Jul 20, 2009 | SGEN | $20.0K | Option Exercise | 4,000 | $5.00 | Discretionary |
| Nov 3, 2008 | CELG | $1.3M | Option Exercise | 23,264 | $57.58 | Discretionary |
| Nov 3, 2008 | CELG | $1.5M | Sale | 23,264 | $64.50 | Discretionary |
| Jan 17, 2008 | SGEN | $25.1K | Option Exercise | 6,000 | $4.18 | Discretionary |