Transaction Details

Footnotes

This transaction was effected pursuant to a Rule 10b5-1 trading plan. | This transaction was executed in multiple trades at prices ranging from $7.66 to $8.04. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. | The previously granted option, representing a right to purchase a total of 275,000 shares, became exercisable as follows: 25% of the shares subject to this option vested on May 19, 2016, and the balance vested in equal monthly installments over the 36 months thereafter.