| 2021-08-26 | LING CURTIS | Chief Technical Officer | Sell | 29,600 | $51.66 | $1,529,186.32 | -3.0% | → |
| 2021-08-05 | SCHROCK DONALD E | - | Sell | 20,000 | $51.49 | $1,029,779.72 | -46.5% | → |
| 2021-08-05 | Kwong Connie H. | Corporate Controller & PAO | Sell | 3,000 | $52.09 | $156,270.40 | -7.5% | → |
| 2021-08-04 | SEENDRIPU KISHORE | Chairman, President and CEO | Sell | 40,086 | $49.33 | $1,977,428.17 | -1.4% | → |
| 2021-08-02 | LING CURTIS | Chief Technical Officer | Sell | 30,000 | $49.49 | $1,484,810.36 | -1.5% | → |
| 2021-08-02 | ARTUSI DANIEL A | - | Sell | 6,464 | $48.91 | $316,154.24 | -35.2% | → |
| 2021-07-13 | SEENDRIPU KISHORE | Chairman, President and CEO | Sell | 40,086 | $42.12 | $1,688,267.55 | -2.2% | → |
| 2021-06-25 | SEENDRIPU KISHORE | Chairman, President and CEO | Sell | 81,080 | $40.65 | $3,295,852.13 | -5.2% | → |
| 2021-06-11 | WALSH BRENDAN | VP, Product Line Marketing | Sell | 21,737 | $36.69 | $797,589.22 | -11.6% | → |
| 2021-06-07 | LOUGHEED JAMES | See Remarks | Sale+OE | 19,622 | $37.72 | $740,165.39 | -18.6% | → |
| 2021-06-02 | SCHROCK DONALD E | - | Sell | 10,857 | $38.34 | $416,261.72 | -25.9% | → |
| 2021-06-01 | SEENDRIPU KISHORE | Chairman, President and CEO | Sale+OE | 26,121 | $38.28 | $1,000,019.05 | -5.5% | → |
| 2021-05-27 | SEENDRIPU KISHORE | Chairman, President and CEO | Sale+OE | 39,458 | $37.09 | $1,463,672.59 | -6.0% | → |
| 2021-05-25 | LOUGHEED JAMES | See Remarks | Sale+OE | 54,292 | $36.47 | $1,980,131.80 | -24.0% | → |
| 2021-05-21 | LING CURTIS | Chief Technical Officer | Sale+OE | 9,502 | $36.10 | $343,022.20 | -0.9% | → |
| 2021-05-13 | SEENDRIPU KISHORE | Chairman, President and CEO | Sell | 26,724 | $32.98 | $881,487.30 | -0.8% | → |
| 2021-05-07 | LOUGHEED JAMES | See Remarks | Sale+OE | 14,976 | $36.00 | $539,136.00 | -8.6% | → |
| 2021-04-08 | SEENDRIPU KISHORE | Chairman, President and CEO | Sell | 26,725 | $35.35 | $944,754.14 | -1.5% | → |
| 2021-03-15 | SEENDRIPU KISHORE | Chairman, President and CEO | Sell | 29,980 | $36.09 | $1,082,010.63 | -0.8% | → |