| 2021-10-01 | POLK DENNIS | - | Sale+OE | 3,879 | $180.07 | $698,499.12 | -2.6% | → |
| 2021-09-30 | POLK DENNIS | - | Sell | 10,000 | $177.10 | $1,771,021.18 | -16.8% | → |
| 2021-09-01 | POLK DENNIS | - | Sale+OE | 5,000 | $173.76 | $868,783.23 | -4.5% | → |
| 2021-08-02 | POLK DENNIS | - | Sale+OE | 5,000 | $162.83 | $814,160.46 | -2.8% | → |
| 2021-07-07 | Rosso Richard | EVP, Global Sales & Acct. Mgmt | Sell | 3,000 | $161.38 | $484,133.20 | -5.1% | → |
| 2021-07-07 | POLK DENNIS | - | Sell | 7,000 | $162.21 | $1,135,435.00 | -17.5% | → |
| 2021-07-01 | POLK DENNIS | - | Sale+OE | 5,000 | $160.24 | $801,214.67 | -5.8% | → |
| 2021-06-30 | VEZINA ANN F | - | Sell | 2,303 | $159.27 | $366,794.20 | -25.9% | → |
| 2021-06-01 | POLK DENNIS | - | Sale+OE | 5,000 | $151.39 | $756,958.30 | -3.9% | → |
| 2021-05-17 | PEER DEVELOPMENTS LTD | 10% Owner | Sell | 262,003 | $145.50 | $38,121,436.50 | -6.8% | → |
| 2021-05-17 | SILVER STAR DEVELOPMENTS LTD | 10% Owner | Sell | 359,754 | $145.50 | $52,344,207.00 | -6.8% | → |
| 2021-05-17 | MIAU MATTHEW | - | Sell | 51,381 | $145.50 | $7,475,935.50 | -23.7% | → |
| 2021-05-03 | POLK DENNIS | - | Sale+OE | 5,000 | $156.30 | $781,497.22 | -2.9% | → |
| 2021-04-26 | POLK DENNIS | - | Sale+OE | 5,000 | $160.13 | $800,630.71 | -1.9% | → |
| 2021-03-29 | POLK DENNIS | - | Sell | 5,000 | $143.27 | $716,350.00 | -11.3% | → |
| 2021-01-21 | Rosso Richard | EVP, Global Sales & Acct. Mgmt | Sell | 1,500 | $119.50 | $179,250.00 | -6.7% | → |
| 2021-01-14 | VEZINA ANN F | - | Sell | 1,680 | $119.58 | $200,887.68 | -27.6% | → |
| 2002-07-21 | PEER DEVELOPMENTS LTD | 10% Owner | Sell | 282 | $132.18 | $37,274.59 | - | → |