| 2020-02-20 | Madaus Martin D | - | Sale+OE | 2,300 | $28.13 | $64,705.20 | -0.6% | → |
| 2020-02-18 | Roskey Mark T. | SVP, Commercial & Accelerator | Sale+OE | 5,000 | $27.84 | $139,194.00 | -26.1% | → |
| 2020-02-12 | HRUSOVSKY E KEVIN | Chairman, President & CEO | Sell | 6,500 | $27.17 | $176,614.10 | -0.6% | → |
| 2020-02-11 | Duffy David C. | SVP R&D and CTO | Sell | 1,667 | $27.88 | $46,475.96 | -3.2% | → |
| 2020-02-06 | HRUSOVSKY E KEVIN | Chairman, President & CEO | Sell | 6,500 | $27.56 | $179,140.00 | -0.6% | → |
| 2020-02-05 | Madaus Martin D | - | Sale+OE | 7,800 | $27.22 | $212,333.84 | -1.9% | → |
| 2020-02-04 | Roskey Mark T. | SVP, Commercial & Accelerator | Sell | 55 | $26.71 | $1,469.05 | -0.4% | → |
| 2020-02-04 | Mattoon Dawn | Sr. VP, Research Products | Sell | 137 | $26.71 | $3,659.27 | -0.6% | → |
| 2020-02-04 | HRUSOVSKY E KEVIN | Chairman, President & CEO | Sell | 8,909 | $26.98 | $240,401.43 | -0.3% | → |
| 2020-01-29 | HRUSOVSKY E KEVIN | Chairman, President & CEO | Sell | 6,500 | $26.99 | $175,407.05 | -0.6% | → |
| 2020-01-23 | Madaus Martin D | - | Sale+OE | 7,800 | $25.30 | $197,375.34 | -1.8% | → |
| 2020-01-21 | HRUSOVSKY E KEVIN | Chairman, President & CEO | Sell | 6,500 | $24.07 | $156,443.95 | -0.6% | → |
| 2020-01-21 | Roskey Mark T. | SVP, Commercial & Accelerator | Sale+OE | 5,000 | $24.04 | $120,182.00 | -26.0% | → |
| 2020-01-17 | HRUSOVSKY E KEVIN | Chairman, President & CEO | Sell | 13,000 | $23.29 | $302,794.70 | -0.6% | → |
| 2020-01-17 | Duffy David C. | SVP R&D and CTO | Sale+OE | 1,941 | $23.99 | $46,564.59 | -3.6% | → |
| 2020-01-09 | Madaus Martin D | - | Sale+OE | 7,800 | $22.51 | $175,614.19 | -1.8% | → |
| 2020-01-02 | Mattoon Dawn | Sr. VP, Research Products | Sell | 115 | $23.18 | $2,665.17 | -0.5% | → |
| 2020-01-02 | Roskey Mark T. | SVP, Commercial & Accelerator | Sell | 46 | $23.18 | $1,066.07 | -0.3% | → |
| 2020-01-02 | HRUSOVSKY E KEVIN | Chairman, President & CEO | Sell | 3,321 | $23.18 | $76,965.50 | -0.3% | → |
| 2019-12-27 | Madaus Martin D | - | Sale+OE | 7,800 | $23.79 | $185,533.05 | -1.8% | → |
| 2019-12-16 | Duffy David C. | SVP R&D and CTO | Sale+OE | 1,667 | $24.15 | $40,258.05 | -3.6% | → |
| 2019-12-11 | Madaus Martin D | - | Sale+OE | 7,800 | $25.16 | $196,210.35 | -1.8% | → |
| 2019-12-02 | Roskey Mark T. | SVP, Commercial & Accelerator | Sell | 47 | $25.06 | $1,177.96 | -0.3% | → |
| 2019-12-02 | Mattoon Dawn | Sr. VP, Research Products | Sell | 115 | $25.06 | $2,882.23 | -0.5% | → |
| 2019-12-02 | HRUSOVSKY E KEVIN | Chairman, President & CEO | Sell | 3,357 | $25.06 | $84,136.16 | -0.3% | → |
| 2019-11-26 | Madaus Martin D | - | Sale+OE | 7,800 | $25.19 | $196,512.59 | -1.7% | → |
| 2019-11-18 | Duffy David C. | SVP R&D and CTO | Sale+OE | 1,667 | $22.56 | $37,614.69 | -3.6% | → |
| 2019-11-13 | Madaus Martin D | - | Sale+OE | 1,600 | $22.04 | $35,264.00 | -19.6% | → |