| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2018 Q4 | 0 | $0 | -$12,762,000 | 0 | |
| 2018 Q3 | 240,003 | $12,762,000 | -$6,797,225 | $53.17 | 10 |
| 2018 Q2 | 373,708 | $18,922,000 | -$7,010,002 | $50.33 | 12 |
| 2018 Q1 | 504,791 | $27,107,000 | -$3,677,026 | $53.69 | 13 |
| 2017 Q4 | 600,679 | $34,818,000 | -$962,290 | $57.98 | 17 |
| 2017 Q3 | 585,011 | $24,901,000 | +$1,054,802 | $42.62 | 16 |
| 2017 Q2 | 549,751 | $22,808,000 | -$5,820,339 | $41.49 | 13 |
| 2017 Q1 | 700,264 | $30,697,000 | -$98,216,097 | $44.80 | 17 |
| 2016 Q4 | 2,865,447 | $129,429,000 | -$3,643,509 | $45.19 | 21 |
| 2016 Q3 | 2,995,346 | $91,145,397 | -$84,577 | $30.43 | 23 |
| 2016 Q2 | 2,997,822 | $71,513,000 | -$1,186,949 | $23.84 | 19 |
| 2016 Q1 | 3,034,764 | $86,795,000 | +$2,381,673 | $28.60 | 21 |
| 2015 Q4 | 3,028,976 | $95,084,000 | -$512,572 | $31.35 | 22 |
| 2015 Q3 | 3,046,235 | $96,701,500 | -$9,389,661 | $31.70 | 21 |
| 2015 Q2 | 3,229,498 | $148,348,250 | +$628,717 | $46.01 | 20 |
| 2015 Q1 | 3,915,073 | $149,156,000 | +$39,065,850 | $37.04 | 22 |
| 2014 Q4 | 2,539,978 | $103,873,750 | +$1,562,570 | $41.11 | 23 |
| 2014 Q3 | 2,459,277 | $98,025,138 | -$298,034,356 | $40.04 | 20 |
| 2014 Q2 | 9,982,013 | $402,916,002 | -$16,021,493 | $40.36 | 24 |
| 2014 Q1 | 10,846,668 | $383,444,750 | -$2,921,304 | $35.35 | 28 |