Explanation of Responses: |
(1) | The amount reported includes shares subject to unvested restricted stock units. |
(2) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $435.13 to $435.97, inclusive. |
(3) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $436.15 to $436.99, inclusive. |
(4) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $437.00 to $437.99, inclusive. |
(5) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $438.01 to $438.97, inclusive. |
(6) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $439.00 to $439.985, inclusive. |
(7) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $440.01 to $440.98, inclusive. |
(8) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $441.00 to $441.89, inclusive. |
(9) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $442.03 to $442.82, inclusive. |
(10) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $443.03 to $443.17, inclusive. |
(11) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $435.13 to $435.99, inclusive. |
(12) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $436.16 to $436.98, inclusive. |
(13) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $437.01 to $437.89, inclusive. |
(14) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $438.01 to $438.86, inclusive. |
(15) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $439.00 to $439.83, inclusive. |
(16) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $440.07 to $440.97, inclusive. |
(17) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $441.03 to $441.885, inclusive. |
(18) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $442.02 to $442.82, inclusive. |
(19) | Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations. |
(20) | The stock options became exercisable in three equal installments on 03/01/2018, 03/01/2019, and 03/01/2020. |
(21) | The stock options will become exercisable in three equal installments on 03/01/2019, 03/01/2020, and 03/01/2021. |
(22) | The stock options will become exercisable in three equal installments on 03/01/2020, 03/01/2021, and 03/01/2022. |
(23) | The stock options will become exercisable in three equal installments on 03/02/2021, 03/02/2022, and 03/02/2023. |
(24) | The stock options became exercisable in three equal installments on 03/01/2017, 03/01/2018, and 03/01/2019. |