| 2018-09-17 | KIANI JOE E | CEO and Chairman of the Board | Sale+OE | 200,555 | $122.92 | $24,651,758.26 | -28.0% | → |
| 2018-09-11 | FITCH SANFORD | - | Sale+OE | 10,000 | $118.29 | $1,182,935.00 | -15.2% | → |
| 2018-09-06 | Muhsin Bilal | EVP, ENG, MKTG & REG | Sale+OE | 20,000 | $117.75 | $2,355,042.00 | -100% | → |
| 2018-09-04 | FITCH SANFORD | - | Sell | 2,000 | $119.45 | $238,900.20 | -3.5% | → |
| 2018-09-04 | KIANI JOE E | CEO and Chairman of the Board | Sale+OE | 239,926 | $117.95 | $28,298,739.22 | -38.2% | → |
| 2018-08-09 | Barker Steven | - | Sale+OE | 10,000 | $110.00 | $1,100,000.00 | -13.4% | → |
| 2018-08-06 | KIANI JOE E | CEO and Chairman of the Board | Sale+OE | 60,074 | $109.05 | $6,551,331.61 | -17.7% | → |
| 2018-08-01 | FITCH SANFORD | - | Sell | 2,000 | $101.00 | $202,000.00 | -3.3% | → |
| 2018-07-06 | FITCH SANFORD | - | Sell | 2,000 | $100.00 | $200,000.00 | -3.2% | → |
| 2018-06-01 | FITCH SANFORD | - | Sale+OE | 2,000 | $100.21 | $200,416.80 | -3.1% | → |
| 2018-05-30 | Barker Steven | - | Sale+OE | 10,000 | $100.00 | $1,000,000.00 | -13.7% | → |
| 2018-05-30 | Van Ramshorst David J | Chief Accounting Officer | Sale+OE | 3,000 | $100.00 | $300,000.00 | -75.0% | → |
| 2018-05-04 | Van Ramshorst David J | Chief Accounting Officer | Sale+OE | 4,500 | $96.67 | $435,000.00 | -69.2% | → |
| 2018-05-03 | Coleman Jon | Pres-WW Sales,Pro Svc,Med Affs | Sale+OE | 50,000 | $93.75 | $4,687,500.00 | -73.1% | → |
| 2018-05-03 | FITCH SANFORD | - | Sell | 2,000 | $94.00 | $188,000.00 | -3.1% | → |
| 2018-04-30 | FITCH SANFORD | - | Sell | 2,000 | $90.37 | $180,734.00 | -3.0% | → |
| 2018-04-27 | Lee Yongsam | EVP & CIO | Sale+OE | 5,800 | $90.58 | $525,352.49 | -3.9% | → |
| 2018-04-24 | Lee Yongsam | EVP & CIO | Sale+OE | 4,100 | $90.13 | $369,544.10 | -2.8% | → |
| 2018-04-23 | Coleman Jon | Pres-WW Sales,Pro Svc,Med Affs | Sale+OE | 24,000 | $90.00 | $2,160,000.00 | -56.6% | → |
| 2018-04-02 | FITCH SANFORD | - | Sell | 2,000 | $86.02 | $172,048.00 | -2.9% | → |
| 2018-03-29 | Coleman Jon | Pres-WW Sales,Pro Svc,Med Affs | Sale+OE | 29,303 | $87.50 | $2,564,012.50 | -51.5% | → |
| 2018-03-13 | Lee Yongsam | EVP & CIO | Sale+OE | 100 | $90.00 | $9,000.00 | -0.1% | → |
| 2018-02-01 | FITCH SANFORD | - | Sell | 2,000 | $93.07 | $186,130.00 | -2.8% | → |
| 2018-02-01 | Lee Yongsam | EVP & CIO | Sale+OE | 10,000 | $92.95 | $929,540.00 | -12.7% | → |
| 2018-01-25 | FITCH SANFORD | - | Sell | 2,000 | $90.00 | $180,000.00 | -2.8% | → |
| 2018-01-05 | Lee Yongsam | EVP & CIO | Sale+OE | 10,000 | $88.17 | $881,650.08 | -6.8% | → |
| 2017-12-05 | Lee Yongsam | EVP & CIO | Sale+OE | 2,726 | $88.48 | $241,204.66 | -3.8% | → |
| 2017-12-04 | Lee Yongsam | EVP & CIO | Sale+OE | 18,198 | $88.85 | $1,616,835.90 | -8.1% | → |
| 2017-11-10 | Lee Yongsam | EVP & CIO | Sale+OE | 100 | $89.04 | $8,904.00 | -0.1% | → |
| 2017-11-09 | Lee Yongsam | EVP & CIO | Sale+OE | 13,976 | $89.43 | $1,249,878.59 | -6.3% | → |
| 2017-11-01 | Lee Yongsam | EVP & CIO | Sale+OE | 5,000 | $89.89 | $449,454.50 | -6.8% | → |