| 2019-05-03 | Whittle John | VP Corp Dev&Strat Alliance,GC | Sale+OE | 3,191 | $88.04 | $280,935.64 | -9.9% | → |
| 2019-05-02 | Xie Michael | VP, Engineering & CTO | Sale+OE | 33,414 | $91.42 | $3,054,649.95 | -0.2% | → |
| 2019-03-18 | Whittle John | VP CorpDev&Strat Alliance, GC | Sale+OE | 1,248 | $83.41 | $104,095.68 | -12.6% | → |
| 2019-03-04 | Xie Michael | VP, Engineering & CTO | Sell | 60,000 | $84.06 | $5,043,440.20 | -0.2% | → |
| 2019-02-28 | Jensen Keith | CFO & Chief Accounting Officer | Sale+OE | 11,251 | $86.95 | $978,269.33 | -89.4% | → |
| 2019-02-19 | Xie Ken | President & CEO | Sell | 8,000 | $83.70 | $669,579.25 | - | → |
| 2019-02-19 | PAISLEY CHRISTOPHER B | - | Sell | 1,000 | $83.18 | $83,182.90 | -1.3% | → |
| 2019-02-19 | Whittle John | VP CorpDev&Strat Alliance, GC | Sale+OE | 1,580 | $83.44 | $131,841.16 | -5.7% | → |
| 2019-02-15 | Jensen Keith | CFO & Chief Accounting Officer | Sell | 5,278 | $83.16 | $438,928.09 | -47.6% | → |
| 2019-02-11 | Xie Ken | President & CEO | Sale+OE | 80,000 | $81.64 | $6,530,800.00 | -0.6% | → |
| 2019-02-11 | Xie Michael | VP, Engineering & CTO | Sell | 9,124 | $81.54 | $743,927.43 | - | → |
| 2019-02-04 | Xie Michael | VP, Engineering & CTO | Sale+OE | 30,000 | $79.95 | $2,398,523.07 | -0.4% | → |
| 2019-02-04 | Whittle John | VP Corp Dev&Strat Alliance,GC | Sale+OE | 7,768 | $79.69 | $619,054.43 | -13.8% | → |
| 2018-12-24 | Jensen Keith | CFO & Chief Accounting Officer | Sale+OE | 626 | $65.00 | $40,690.00 | -50.2% | → |
| 2018-12-17 | Whittle John | VP CorpDev&Strat Alliance, GC | Sale+OE | 1,250 | $70.51 | $88,143.50 | -12.6% | → |
| 2018-11-21 | Jensen Keith | CFO & Chief Accounting Officer | Sale+OE | 1,875 | $68.39 | $128,224.48 | -33.0% | → |
| 2018-11-20 | PAISLEY CHRISTOPHER B | - | Sell | 1,000 | $65.77 | $65,770.00 | -1.3% | → |
| 2018-11-16 | Whittle John | VP CorpDev&Strat Alliance, GC | Sale+OE | 1,250 | $72.28 | $90,346.97 | -6.6% | → |
| 2018-11-12 | Cohen Peter Dale Jr. | - | Sell | 2,000 | $74.26 | $148,514.20 | -36.6% | → |
| 2018-11-08 | Jensen Keith | CFO & Chief Accounting Officer | Sell | 1,350 | $78.26 | $105,653.47 | -31.1% | → |
| 2018-11-05 | Whittle John | VP CorpDev&Strat Alliance, GC | Sale+OE | 2,835 | $73.19 | $207,506.14 | -13.4% | → |
| 2018-11-02 | Xie Michael | VP, Engineering & CTO | Sale+OE | 2,780 | $73.43 | $204,137.38 | - | → |