| 2021-05-06 | Gilliam Joseph E | CFO, SVP Corporate Development | Sell | 200 | $84.31 | $16,861.00 | -0.3% | → |
| 2021-05-03 | Gilliam Joseph E | CFO, SVP Corporate Development | Sale+OE | 20,000 | $93.53 | $1,870,658.64 | -10.8% | → |
| 2021-03-15 | Gilliam Joseph E | CFO, SVP Corporate Development | Sale+OE | 5,000 | $87.88 | $439,400.00 | -10.5% | → |
| 2021-02-09 | Gilliam Joseph E | CFO, SVP Corporate Development | Sale+OE | 13,750 | $96.58 | $1,327,936.36 | -13.5% | → |
| 2021-02-01 | Calcaterra Chris M. | Chief Operating Officer | Sale+OE | 60,417 | $88.38 | $5,339,777.73 | -7.4% | → |
| 2020-12-01 | LINK WILLIAM J PHD | Director | Sale+OE | 50,000 | $67.97 | $3,398,322.44 | -61.4% | → |
| 2020-05-26 | Burns Thomas William | Chief Executive Officer | Sale+OE | 207,447 | $39.23 | $8,137,526.76 | -24.9% | → |
| 2020-05-20 | Burns Thomas William | Chief Executive Officer | Sale+OE | 400 | $38.05 | $15,221.32 | -0.1% | → |
| 2020-02-12 | Gilliam Joseph E | CFO, SVP Corporate Development | Sale+OE | 3,750 | $68.50 | $256,875.00 | -7.3% | → |
| 2019-09-30 | Gilliam Joseph E | CFO, SVP Corporate Development | Sale+OE | 4,631 | $59.75 | $276,702.25 | -8.9% | → |
| 2019-09-12 | Gilliam Joseph E | CFO, SVP Corporate Development | Sale+OE | 6,250 | $70.40 | $440,000.00 | -6.2% | → |
| 2019-08-26 | Gilliam Joseph E | CFO, SVP Corporate Development | Sale+OE | 4,631 | $59.16 | $273,969.96 | -8.9% | → |
| 2019-07-22 | Gilliam Joseph E | CFO, SVP Corporate Development | Sale+OE | 10,346 | $75.41 | $780,140.86 | -5.0% | → |
| 2019-06-17 | Gilliam Joseph E | CFO, SVP Corporate Development | Sale+OE | 8,750 | $74.22 | $649,385.40 | -4.4% | → |
| 2019-06-12 | Gilliam Joseph E | CFO, SVP Corporate Development | Sale+OE | 2,500 | $73.25 | $183,125.00 | -5.0% | → |
| 2019-05-16 | Gilliam Joseph E | CFO, SVP Corporate Development | Sale+OE | 3,647 | $68.50 | $249,819.50 | -7.2% | → |
| 2019-05-13 | Gilliam Joseph E | CFO, SVP Corporate Development | Sale+OE | 2,603 | $65.14 | $169,555.50 | -2.7% | → |
| 2019-03-06 | Calcaterra Chris M. | Chief Operating Officer | Sell | 90,000 | $67.69 | $6,092,165.28 | -9.9% | → |
| 2019-02-19 | Gilliam Joseph E | CFO, SVP Corporate Development | Sell | 5,000 | $70.03 | $350,150.00 | -6.2% | → |
| 2018-11-28 | Gilliam Joseph E | CFO, SVP Corporate Development | Sell | 5,000 | $60.03 | $300,150.00 | -5.5% | → |
| 2018-11-26 | Gilliam Joseph E | CFO, SVP Corporate Development | Sell | 2,100 | $58.37 | $122,577.00 | -2.3% | → |
| 2018-11-15 | LINK WILLIAM J PHD | - | Sell | 41,500 | $57.62 | $2,391,172.00 | -20.8% | → |
| 2018-08-30 | Kliman Gilbert H | Director | Sell | 502,760 | $60.39 | $30,359,946.40 | -49.0% | → |
| 2018-08-07 | Burns Thomas William | Chief Executive Officer | Sale+OE | 70,560 | $38.87 | $2,742,415.73 | -7.1% | → |