| 21.00 Data as of May 21 |  +0.09 / +0.43%Today’s Change | 14.07 Today|||52-Week Range 31.93 | -30.78% Year-to-Date |
| Name | Type | Date | Shares traded | Share price | Transaction value | Since transaction |
|---|---|---|---|---|---|---|
Arch Venture Partners Llc |  Buy | 10/16/2012 | 121,883 | $7.55 | $920.2K | -6.67% |
Arch Venture Partners Llc | Buy | 10/16/2012 | 121,883 | $7.55 | $920.2K | -6.67% |
Arch Venture Partners Llc |  Sale | 10/16/2012 | 46,266 | $19.88 | $919.8K | -6.67% |
Arch Venture Partners Llc | Sale | 10/16/2012 | 46,266 | $19.88 | $919.8K | -6.67% |
Versant Venture Management Llc | Buy | 10/16/2012 | 118,573 | $7.55 | $895.2K | -6.67% |
Versant Venture Management Llc | Buy | 10/16/2012 | 118,573 | $7.55 | $895.2K | -6.67% |
Versant Venture Management Llc | Sale | 10/16/2012 | 45,010 | $19.88 | $894.8K | -6.67% |
Versant Venture Management Llc | Sale | 10/16/2012 | 45,010 | $19.88 | $894.8K | -6.67% |
Klein Keith L General Counsel | Sale | 5/01/2013 | 9,000 | $23.63 | $212.7K | -10.10% |
Leonard Keith R Jr President & Chief Executive Officer | Sale | 5/01/2013 | 6,000 | $23.31 | $139.9K | -10.10% |
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