| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2018 Q4 | 0 | $0 | -$13,731,000 | 0 | |
| 2018 Q3 | 146,546 | $13,731,000 | -$258,583 | $92.71 | 5 |
| 2018 Q2 | 149,212 | $14,370,000 | -$1,038,038 | $96.31 | 6 |
| 2018 Q1 | 159,991 | $17,451,000 | -$2,394,265 | $109.06 | 5 |
| 2017 Q4 | 181,961 | $17,759,000 | -$402,628 | $97.60 | 5 |
| 2017 Q3 | 186,086 | $15,918,000 | -$16,398,376 | $85.54 | 5 |
| 2017 Q2 | 372,153 | $32,773,000 | -$5,382,087 | $88.06 | 7 |
| 2017 Q1 | 336,813 | $27,185,000 | -$2,943,613 | $80.70 | 6 |
| 2016 Q4 | 469,768 | $37,365,000 | -$3,751,335 | $79.50 | 7 |
| 2016 Q3 | 520,467 | $22,004,000 | -$612,518 | $42.30 | 9 |
| 2016 Q2 | 534,905 | $24,140,000 | +$147,876 | $43.42 | 9 |
| 2016 Q1 | 535,658 | $20,363,000 | +$3,505,384 | $38.15 | 10 |
| 2015 Q4 | 441,032 | $21,485,000 | -$3,755,022 | $48.72 | 9 |
| 2015 Q3 | 515,186 | $25,283,000 | -$490,121 | $49.22 | 8 |
| 2015 Q2 | 523,453 | $27,213,000 | +$101,324 | $52.05 | 9 |
| 2015 Q1 | 520,604 | $27,334,000 | +$115,187 | $52.50 | 9 |
| 2014 Q4 | 522,021 | $26,265,000 | -$1,323,241 | $51.67 | 11 |
| 2014 Q3 | 573,638 | $28,489,000 | +$3,438,993 | $50.06 | 12 |
| 2014 Q2 | 512,119 | $25,696,000 | -$10,832,233 | $50.18 | 10 |
| 2014 Q1 | 722,356 | $35,043,000 | +$181,177 | $47.80 | 13 |