| 2019-09-11 | Hudson Ian A. | S.V.P. & CFO | Sale+OE | 10,533 | $32.04 | $337,450.99 | -11.5% | → |
| 2019-08-06 | Mudge Richard R | - | Sell | 10,000 | $29.50 | $295,042.00 | -10.2% | → |
| 2019-08-02 | MARTIN DENNIS J | - | Sell | 47,734 | $30.37 | $1,449,547.92 | -18.8% | → |
| 2019-03-06 | MARTIN DENNIS J | - | Sell | 60,000 | $24.87 | $1,491,930.00 | -19.3% | → |
| 2018-11-12 | MARTIN DENNIS J | - | Sell | 55,000 | $23.14 | $1,272,502.00 | -15.9% | → |
| 2018-06-11 | SHERMAN JENNIFER L | President & CEO | Sale+OE | 96,056 | $24.31 | $2,335,352.78 | -7.1% | → |
| 2017-11-28 | Miceli Samuel | Sr. VP - Env. Solutions. Group | Sell | 1,000 | $21.20 | $21,200.00 | -3.8% | → |
| 2017-11-24 | GOODWIN JAMES E | - | Sell | 10,000 | $20.67 | $206,690.00 | -7.5% | → |
| 2017-11-20 | REICHELDERFER BRENDA | - | Sell | 8,279 | $20.76 | $171,850.51 | -10.7% | → |
| 2017-11-17 | REICHELDERFER BRENDA | - | Sell | 45,721 | $20.76 | $949,254.27 | -20.0% | → |
| 2017-11-08 | MARTIN DENNIS J | - | Sell | 45,172 | $21.90 | $989,467.99 | -6.3% | → |
| 2017-06-01 | Miceli Samuel | Sr. VP - Env. Solutions. Group | Sell | 2,000 | $16.05 | $32,100.00 | -7.0% | → |
| 2017-05-24 | JONES PAUL W | - | Sell | 50,000 | $15.96 | $798,000.00 | -40.7% | → |
| 2017-05-23 | Miceli Samuel | Sr. VP - Env. Solutions. Group | Sell | 900 | $16.18 | $14,562.00 | -3.0% | → |
| 2016-03-03 | Cook Julie A | VP - Human Resources | Buy | 4,250 | $11.82 | $50,235.00 | +24.9% | → |
| 2016-03-02 | Workman John L | - | Buy | 5,000 | $11.33 | $56,665.00 | +25.3% | → |