| 2018-10-01 | Sangster David | EVP, Engineering & Operations | Sale+OE | 7,917 | $43.52 | $344,580.58 | -96.3% | → |
| 2018-09-18 | Sangster David | EVP, Operations | Sale+OE | 8,371 | $49.81 | $416,926.58 | -54.6% | → |
| 2018-09-14 | GOMO STEVEN J | - | Sell | 5,312 | $52.51 | $278,908.68 | -5.7% | → |
| 2018-09-10 | MCADAM JOHN | - | Sell | 15,000 | $51.46 | $771,928.97 | -8.5% | → |
| 2018-09-04 | Sangster David | EVP, Operations | Sale+OE | 7,916 | $55.75 | $441,306.24 | -57.2% | → |
| 2018-08-01 | Sangster David | EVP, Operations | Sale+OE | 7,917 | $3,193.08 | $25,279,634.37 | -94.1% | → |
| 2018-07-06 | Vadakkedath Sudheesh Nair | President | Sell | 40,000 | $51.85 | $2,074,000.00 | -22.3% | → |
| 2018-07-02 | Sangster David | EVP, Operations | Sale+OE | 7,917 | $51.62 | $408,658.96 | -49.2% | → |
| 2018-06-20 | Scarpelli Michael | - | Sale+OE | 50,000 | $60.99 | $3,049,465.00 | -86.0% | → |
| 2018-06-19 | Sangster David | EVP, Operations | Sale+OE | 8,866 | $61.21 | $542,717.10 | -43.0% | → |
| 2018-06-18 | Vadakkedath Sudheesh Nair | President | Sale+OE | 20,000 | $60.66 | $1,213,200.00 | -10.7% | → |
| 2018-06-13 | Long Kenneth W III | VP, Corporate Controller & CAO | Sell | 30,000 | $63.37 | $1,901,007.00 | -19.8% | → |
| 2018-06-04 | Vadakkedath Sudheesh Nair | President | Sale+OE | 20,000 | $56.44 | $1,128,868.00 | -10.7% | → |
| 2018-06-01 | Sangster David | EVP, Operations | Sale+OE | 7,916 | $55.64 | $440,412.55 | -46.9% | → |
| 2018-06-01 | Williams Duston | Chief Financial Officer | Sale+OE | 300,000 | $54.13 | $16,237,576.38 | -42.7% | → |
| 2018-05-21 | Vadakkedath Sudheesh Nair | President | Sale+OE | 40,000 | $58.41 | $2,336,400.00 | -19.3% | → |
| 2018-05-07 | Vadakkedath Sudheesh Nair | President | Sale+OE | 40,000 | $54.19 | $2,167,600.00 | -19.3% | → |
| 2018-05-01 | Sangster David | EVP, Operations | Sale+OE | 7,917 | $51.09 | $404,444.73 | -73.7% | → |
| 2018-04-16 | Vadakkedath Sudheesh Nair | President | Sale+OE | 40,000 | $53.58 | $2,143,200.00 | -19.3% | → |
| 2018-04-04 | Nieh Peter | 10% Owner | Sell | 63,227 | $49.62 | $3,137,424.90 | -55.8% | → |
| 2018-04-04 | Long Kenneth W III | VP, Corporate Controller & CAO | Sell | 30,000 | $50.22 | $1,506,513.00 | -16.5% | → |
| 2018-04-02 | Sangster David | EVP, Operations | Sale+OE | 7,917 | $48.04 | $380,298.59 | -89.8% | → |
| 2018-04-02 | Vadakkedath Sudheesh Nair | President | Sale+OE | 40,000 | $48.28 | $1,931,200.00 | -19.3% | → |
| 2018-03-28 | SCHAEPE CHRISTOPHER J | 10% Owner | Sell | 100,000 | $48.14 | $4,813,760.00 | -46.7% | → |
| 2018-03-19 | Vadakkedath Sudheesh Nair | President | Sale+OE | 40,000 | $52.37 | $2,094,800.00 | -20.5% | → |
| 2018-03-19 | Sangster David | EVP, Operations | Sale+OE | 11,525 | $53.04 | $611,313.71 | -70.2% | → |
| 2018-03-14 | Long Kenneth W III | VP, Corporate Controller & CAO | Sale+OE | 32,002 | $54.36 | $1,739,657.52 | -15.4% | → |
| 2018-03-12 | Sangster David | EVP, Operations | Sale+OE | 100,082 | $50.48 | $5,052,165.90 | -51.9% | → |
| 2018-03-05 | Vadakkedath Sudheesh Nair | President | Sale+OE | 40,000 | $38.73 | $1,549,200.00 | -20.6% | → |
| 2018-03-02 | Parks Jeffrey T | Director | Sell | 1,054,873 | $37.94 | $40,021,881.62 | -100% | → |