Transaction Details

Footnotes

This transaction was executed in multiple trades at prices ranging from $13.50 to $13.61. The price reported in Column 4 is a weighted average 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 transactions were effected. | This transaction was executed in multiple trades at prices ranging from $12.98 to $13.17. The price reported in Column 4 is a weighted average 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 transactions were effected. | These options were granted 3/19/2018 and vested as follows: 37,200 vested over four years in four (4) equal installments on the first four anniversaries of 3/19/2018. The remaining options vested on the achievement of certain milestones.