| 2021-07-30 | Teebagy Thomas C. Jr. | SVP of Operations and Quality | Sell | 150,000 | $27.10 | $4,065,000.00 | -35.2% | → |
| 2021-07-19 | Walsh Paul V Jr | SVP, CFO & Treasurer | Sell | 70,000 | $25.11 | $1,757,700.00 | -5.7% | → |
| 2021-07-06 | Vig Ravi | President and CEO | Sell | 160,000 | $27.64 | $4,422,928.95 | -1.7% | → |
| 2021-07-01 | Doogue Michael | SVP of Technology and Products | Sell | 8,913 | $27.34 | $243,681.42 | -1.8% | → |
| 2021-06-17 | Walsh Paul V Jr | SVP, CFO & Treasurer | Sell | 70,000 | $27.22 | $1,905,400.00 | -5.4% | → |
| 2021-06-02 | Vig Ravi | President and CEO | Sell | 160,000 | $26.09 | $4,173,933.66 | -2.4% | → |
| 2021-06-01 | Brown Christopher | SVP and General Counsel | Sell | 26,250 | $25.88 | $679,350.00 | -15.1% | → |
| 2021-06-01 | Doogue Michael | SVP of Technology and Products | Sell | 8,913 | $26.10 | $232,629.30 | -1.8% | → |
| 2021-05-27 | Brown Christopher | Sr. VP, General Counsel | Sell | 26,250 | $26.63 | $699,037.50 | -13.1% | → |
| 2021-05-26 | Lury Richard R. | - | Sell | 11,900 | $26.06 | $310,114.00 | -15.2% | → |
| 2021-05-26 | Doogue Michael | SVP of Technology and Products | Sell | 8,913 | $26.05 | $232,183.65 | -1.7% | → |
| 2021-05-26 | Glover Max R. | SVP of Worldwide Sales | Sell | 12,000 | $26.06 | $312,720.00 | -4.5% | → |
| 2021-05-26 | Vig Ravi | President and CEO | Sell | 160,000 | $25.60 | $4,095,681.59 | -1.5% | → |
| 2021-05-19 | Walsh Paul V Jr | SVP, CFO & Treasurer | Sell | 70,000 | $23.95 | $1,676,757.25 | -2.6% | → |
| 2021-04-27 | Teebagy Thomas C. Jr. | SVP of Operations and Quality | Sell | 150,246 | $26.88 | $4,038,783.90 | -14.2% | → |
| 2021-03-08 | OEP SKNA, L.P. | 10% Owner | Sell | 1,832,852 | $29.16 | $53,452,929.16 | -5.5% | → |
| 2021-02-09 | Sanken Electric Co., Ltd. | 10% Owner | Sell | 5,200,000 | $29.16 | $151,651,760.00 | -5.0% | → |
| 2021-02-09 | OEP SKNA, L.P. | 10% Owner | Sell | 11,355,799 | $29.16 | $331,178,250.88 | -25.6% | → |
| 2021-02-09 | Brown Christopher | See Remarks | Sell | 12,500 | $29.16 | $364,547.50 | -6.3% | → |