| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price | Investors |
|---|---|---|---|---|---|
| 2021 Q1 | 0 | $0 | -$264,000 | 0 | |
| 2020 Q4 | 2,000 | $264,000 | +$264,000 | $132.00 | 1 |
| 2018 Q3 | 0 | $0 | -$6,210,000 | 0 | |
| 2018 Q2 | 45,564 | $6,210,000 | -$64,010,000 | $136.30 | 2 |
| 2018 Q1 | 515,256 | $70,220,000 | +$12,493,471 | $136.29 | 41 |
| 2017 Q4 | 429,753 | $56,384,000 | -$8,729,304 | $131.20 | 50 |
| 2017 Q3 | 495,350 | $64,565,910 | -$24,783,857 | $130.34 | 47 |
| 2017 Q2 | 687,789 | $87,212,805 | -$8,974,069 | $126.82 | 48 |
| 2017 Q1 | 758,857 | $92,686,878 | -$27,729,829 | $122.13 | 52 |
| 2016 Q4 | 1,093,292 | $131,478,026 | +$44,494,015 | $120.26 | 50 |
| 2016 Q3 | 734,273 | $92,950,000 | -$12,645,348 | $126.60 | 52 |
| 2016 Q2 | 1,039,424 | $135,324,000 | +$66,027,708 | $130.15 | 46 |
| 2016 Q1 | 209,309 | $29,418,000 | -$11,246,737 | $140.54 | 22 |
| 2015 Q4 | 282,600 | $40,759,000 | +$3,120,636 | $144.31 | 25 |
| 2015 Q3 | 259,364 | $38,442,000 | -$3,958,336 | $148.20 | 22 |
| 2015 Q2 | 286,029 | $44,040,000 | +$3,080,717 | $154.06 | 21 |
| 2015 Q1 | 265,887 | $38,717,000 | +$10,423,223 | $145.61 | 16 |
| 2014 Q4 | 189,886 | $29,064,000 | -$33,859,428 | $153.06 | 16 |
| 2014 Q3 | 420,077 | $66,930,000 | +$3,456,870 | $159.33 | 18 |
| 2014 Q2 | 387,730 | $65,287,000 | -$261,702 | $168.38 | 19 |
| 2014 Q1 | 391,195 | $64,222,731 | +$28,304,278 | $164.17 | 18 |