| Period | Shares, Excl. Options | Value, Excl. Options | Change | Price | Investors |
|---|---|---|---|---|---|
| 2018 Q3 | 0 | $0 | -$3.31M | 0 | |
| 2018 Q2 | 43.3K | $3.31M | -$24.4M | $76.88 | 3 |
| 2018 Q1 | 361K | $27.8M | +$163K | $76.89 | 29 |
| 2017 Q4 | 359K | $28M | -$26.7M | $78.04 | 30 |
| 2017 Q3 | 698K | $54.8M | -$1.23M | $78.43 | 33 |
| 2017 Q2 | 717K | $55.1M | +$6.15M | $76.90 | 32 |
| 2017 Q1 | 640K | $48.9M | -$391K | $76.45 | 26 |
| 2016 Q4 | 652K | $47.1M | +$3.29M | $72.18 | 33 |
| 2016 Q3 | 579K | $44.4M | +$278K | $76.61 | 27 |
| 2016 Q2 | 575K | $42.9M | -$600K | $74.63 | 25 |
| 2016 Q1 | 575K | $44.2M | -$11.1M | $76.68 | 33 |
| 2015 Q4 | 755K | $55.1M | +$9.98M | $72.97 | 36 |
| 2015 Q3 | 618K | $43.4M | -$30.3M | $70.23 | 35 |
| 2015 Q2 | 1.04M | $80.2M | +$38.7M | $77.19 | 36 |
| 2015 Q1 | 538K | $41M | -$35.3M | $76.28 | 37 |
| 2014 Q4 | 980K | $80.1M | -$155K | $81.73 | 37 |
| 2014 Q3 | 954K | $83.6M | -$42.6M | $87.68 | 45 |
| 2014 Q2 | 1.42M | $134M | -$919K | $94.42 | 57 |
| 2014 Q1 | 1.34M | $124M | -$4.76M | $92.87 | 47 |