| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2021 Q4 | 0 | $0 | -$6,034,000 | 0 | |
| 2021 Q3 | 76,439 | $6,034,000 | +$9,631 | $78.94 | 1 |
| 2021 Q2 | 76,317 | $5,629,000 | -$28,397 | $73.76 | 1 |
| 2021 Q1 | 76,702 | $5,662,000 | +$36,171 | $73.82 | 1 |
| 2020 Q4 | 76,212 | $4,911,000 | -$205,173 | $64.44 | 1 |
| 2020 Q3 | 79,396 | $4,722,000 | -$61,377 | $59.47 | 1 |
| 2020 Q2 | 80,428 | $4,802,000 | -$200,073 | $59.71 | 1 |
| 2020 Q1 | 83,779 | $4,848,000 | +$622,355 | $57.87 | 1 |
| 2019 Q4 | 73,024 | $6,648,000 | +$138,743 | $91.04 | 1 |
| 2019 Q3 | 71,500 | $6,159,000 | +$61,676 | $86.14 | 1 |
| 2019 Q2 | 70,784 | $5,715,000 | -$24,545 | $80.74 | 1 |
| 2019 Q1 | 71,088 | $4,936,000 | +$230,802 | $69.44 | 1 |
| 2018 Q4 | 67,764 | $3,618,000 | +$401,235 | $53.39 | 1 |
| 2018 Q3 | 60,249 | $3,586,000 | $59.52 | 1 | |
| 2018 Q2 | 60,249 | $4,148,000 | +$104,717 | $68.85 | 1 |
| 2018 Q1 | 58,728 | $4,298,000 | +$270,564 | $73.18 | 1 |
| 2017 Q4 | 55,031 | $4,461,000 | -$119,001 | $81.06 | 1 |
| 2017 Q3 | 56,499 | $3,980,000 | -$395,124,276 | $70.44 | 1 |
| 2017 Q2 | 5,865,802 | $398,960,171 | -$151,625,183 | $67.78 | 30 |
| 2017 Q1 | 8,116,137 | $545,825,130 | -$45,253,923 | $67.00 | 38 |
| 2016 Q4 | 9,424,487 | $638,925,641 | -$173,949,674 | $67.65 | 46 |
| 2016 Q3 | 11,404,966 | $936,301,690 | -$196,161,610 | $81.86 | 44 |
| 2016 Q2 | 13,868,062 | $1,026,832,715 | -$183,285,559 | $73.88 | 48 |
| 2016 Q1 | 16,343,348 | $1,219,926,091 | -$690,540,960 | $74.48 | 56 |
| 2015 Q4 | 27,848,067 | $1,690,554,223 | -$10,197,596 | $60.68 | 77 |
| 2015 Q3 | 27,947,923 | $1,423,768,144 | +$76,681,620 | $51.26 | 67 |
| 2015 Q2 | 26,775,897 | $1,357,099,806 | +$111,850,202 | $51.51 | 68 |
| 2015 Q1 | 21,852,324 | $1,060,406,590 | -$110,547,215 | $48.48 | 63 |
| 2014 Q4 | 22,155,189 | $1,116,479,764 | -$6,702,607 | $50.34 | 68 |
| 2014 Q3 | 20,788,665 | $1,047,861,090 | +$980,936,488 | $50.36 | 71 |
| 2014 Q2 | 741,259 | $36,796,000 | +$36,796,000 | $49.64 | 1 |