Explanation of Responses: |
(1) | Includes 299 shares of common stock representing the final tranche of an original grant of performance-based restricted stock that shall vest on November 7, 2020. |
(2) | Includes 189 shares of common stock representing the final tranche of an original grant of performance-based restricted stock that shall vest on July 19, 2021 if applicable performance conditions are achieved. |
(3) | Includes 296 shares of common stock representing the final two tranches of an original grant of performance-based restricted stock that shall vest one-half on each of July 18, 2021 and July 18, 2022 if applicable performance conditions are achieved. |
(4) | Includes 540 shares of common stock representing the final three tranches of an original grant of performance-based restricted stock that shall vest one-third on each of July 10, 2021, July 10, 2022 and July 10, 2023 if applicable performance conditions are achieved. |
(5) | Includes 158 shares of common stock representing the final three tranches of an original grant of performance-based restricted stock that shall vest one-third on each of July 10, 2021, July 10, 2022 and July 10, 2023 if applicable performance conditions are achieved. |
(6) | Includes 140 shares of common stock representing an original grant of performance-based restricted stock that shall vest one-fourth on each of July 15, 2021, July 15, 2022, July 15, 2023 and July 15, 2024 if applicable performance conditions are achieved. |
(7) | Includes 510 shares of common stock representing an original grant of performance-based restricted stock that shall vest one-fourth on each of July 15, 2021, July 15, 2022, July 15, 2023 and July 15, 2024 if applicable performance conditions are achieved. |
(8) | Includes 90 shares of common stock representing an original grant of performance-based restricted stock that shall vest one-fourth on each of October 2, 2021, October 2, 2022, October 2, 2023 and October 2, 2024 if applicable performance conditions are achieved. |
(9) | The options to purchase common stock vest one-fourth each year on the anniversary date of the grant date. Thus, one-fourth vested on each of November 7, 2017, November 7, 2018 and November 7, 2019 and one-fourth shall vest on November 7, 2020. |
(10) | The options to purchase common stock vest one-fourth each year on the anniversary date of the grant date. Thus, one-fourth vested on each of July 19, 2018, July 19, 2019 and July 19, 2020 and one-fourth shall vest on July 19, 2021. |
(11) | The options to purchase common stock vest one-fourth each year on the anniversary date of the grant date. Thus, one-fourth vested on each of July 18, 2019 and July 18, 2020 and one-fourth shall vest on each of July 18, 2021 and July 18, 2022. |
(12) | The options to purchase common stock vest one-fourth each year on the anniversary date of the grant date. Thus, one-fourth vested on July 10, 2020 and one-fourth shall vest on each of July 10, 2021, July 10, 2022 and July 10, 2023. |
(13) | The options to purchase common stock vest one-fourth each year on the anniversary date of the grant date. Thus, one-fourth shall vest on each of July 15, 2021, July 15, 2022, July 15, 2023 and July 15, 2024. |
(14) | The options to purchase common stock vest one-fourth each year on the anniversary date of the grant date. Thus, one-fourth shall vest on each of October 2, 2021, October 2, 2022, October 2, 2023 and October 2, 2024. |