| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2018 Q4 | 0 | $0 | -$6,327,000 | 0 | |
| 2018 Q3 | 66,592 | $6,327,000 | -$2,136,424 | $95.00 | 11 |
| 2018 Q2 | 95,267 | $7,356,000 | +$61,091 | $77.23 | 10 |
| 2018 Q1 | 94,485 | $6,527,145 | -$5,438,793 | $69.08 | 11 |
| 2017 Q4 | 167,430 | $12,496,169 | -$437,969 | $74.63 | 13 |
| 2017 Q3 | 147,945 | $9,369,048 | -$5,446,639 | $63.33 | 11 |
| 2017 Q2 | 233,308 | $14,893,004 | +$1,642,517 | $63.83 | 14 |
| 2017 Q1 | 207,350 | $13,638,500 | -$7,889,485 | $65.90 | 16 |
| 2016 Q4 | 330,939 | $22,767,134 | -$7,480,196 | $68.80 | 18 |
| 2016 Q3 | 433,160 | $30,549,517 | -$256,653 | $70.53 | 18 |
| 2016 Q2 | 398,237 | $30,184,676 | +$2,092,202 | $75.80 | 20 |
| 2016 Q1 | 409,122 | $28,102,218 | -$335,555 | $68.69 | 24 |
| 2015 Q4 | 413,620 | $36,151,000 | -$11,208,233 | $87.40 | 24 |
| 2015 Q3 | 552,230 | $44,708,000 | -$7,822,833 | $80.96 | 24 |
| 2015 Q2 | 641,504 | $57,055,000 | -$648,483 | $88.93 | 24 |
| 2015 Q1 | 650,044 | $56,389,000 | -$12,055,397 | $86.77 | 28 |
| 2014 Q4 | 793,990 | $67,226,427 | +$943,420 | $84.67 | 26 |
| 2014 Q3 | 784,674 | $55,419,000 | +$7,594,114 | $70.62 | 28 |
| 2014 Q2 | 715,165 | $49,581,000 | +$472,018 | $69.33 | 27 |
| 2014 Q1 | 708,004 | $53,160,684 | -$2,359,477 | $75.08 | 27 |