| 2019-05-10 | STERN ANDREW M | Director | Sell | 4,668 | $52.09 | $243,173.76 | -50.5% | → |
| 2019-05-07 | HARRIS R JEFFREY | Director | Sell | 10,490 | $52.01 | $545,555.53 | -15.8% | → |
| 2019-03-20 | SALKA SUSAN R | President and CEO | Sale+OE | 28,746 | $48.05 | $1,381,187.81 | -12.2% | → |
| 2019-01-31 | Scott Brian M. | CFO/CAO | Sell | 7,500 | $65.01 | $487,608.00 | -11.5% | → |
| 2019-01-09 | Jackson Denise L | Chief Legal Officer | Sell | 5,246 | $59.47 | $311,997.98 | -20.7% | → |
| 2019-01-09 | Henderson Ralph | Pres., Prof. Svc. & Staffing | Sell | 12,960 | $59.43 | $770,192.06 | -23.3% | → |
| 2019-01-08 | SALKA SUSAN R | President and CEO | Sale+OE | 39,552 | $57.90 | $2,289,874.91 | -17.4% | → |
| 2018-11-30 | Weaver Paul E | Director | Sell | 5,000 | $64.50 | $322,500.00 | -11.6% | → |
| 2018-11-29 | Scott Brian M. | CFO/CAO | Sell | 12,500 | $64.25 | $803,100.00 | -25.6% | → |
| 2018-11-28 | Jackson Denise L | Chief Legal Officer | Sell | 2,800 | $64.48 | $180,534.48 | -12.2% | → |
| 2018-11-05 | SALKA SUSAN R | President and CEO | Sell | 11,953 | $56.49 | $675,190.31 | -7.2% | → |
| 2018-06-20 | SALKA SUSAN R | President and CEO | Sell | 20,000 | $60.17 | $1,203,396.00 | -10.8% | → |
| 2018-06-20 | Scott Brian M. | CFO/CAO | Sell | 20,000 | $59.11 | $1,182,269.50 | -16.0% | → |
| 2018-05-18 | Jackson Denise L | Chief Legal Officer | Sell | 4,000 | $58.73 | $234,925.60 | -14.8% | → |
| 2018-05-11 | SALKA SUSAN R | President and CEO | Sell | 20,376 | $56.19 | $1,144,847.97 | -9.9% | → |
| 2018-05-10 | HARRIS R JEFFREY | Director | Sale+OE | 19,524 | $54.38 | $1,061,715.88 | -8.2% | → |
| 2018-05-10 | SALKA SUSAN R | President and CEO | Sell | 31,952 | $54.63 | $1,745,528.55 | -6.7% | → |
| 2018-02-21 | Jackson Denise L | Chief Legal Officer | Sell | 7,345 | $57.02 | $418,827.32 | -21.4% | → |
| 2018-02-20 | Henderson Ralph | Pres., Prof. Svc. & Staffing | Sale+OE | 10,178 | $56.20 | $572,003.60 | -31.8% | → |
| 2018-02-16 | Scott Brian M. | CFO/CAO | Sale+OE | 3,634 | $55.03 | $199,985.56 | -5.0% | → |
| 2018-02-02 | Scott Brian M. | CFO/CAO | Sell | 6,366 | $55.15 | $351,104.70 | -4.8% | → |
| 2018-02-01 | Henderson Ralph | Pres., Prof. Svc. & Staffing | Sell | 8,219 | $55.00 | $452,045.00 | -27.3% | → |
| 2018-01-25 | Henderson Ralph | Pres., Prof. Svc. & Staffing | Sell | 8,219 | $52.00 | $427,388.00 | -21.5% | → |
| 2018-01-12 | SALKA SUSAN R | President and CEO | Sell | 95,219 | $49.35 | $4,699,503.16 | -18.2% | → |
| 2017-12-05 | WHEAT DOUGLAS D | Director | Sell | 3,793 | $50.23 | $190,522.39 | -100% | → |
| 2017-11-29 | Weaver Paul E | Director | Sell | 10,000 | $50.27 | $502,718.58 | -12.0% | → |
| 2017-11-29 | Scott Brian M. | CFO/CAO | Sell | 20,000 | $50.19 | $1,003,779.00 | -16.2% | → |
| 2017-11-29 | Henderson Ralph | Pres., Prof. Svc. & Staffing | Sell | 15,272 | $49.00 | $748,328.00 | -48.1% | → |
| 2017-11-27 | FOLETTA MARK G | Director | Sell | 2,500 | $47.03 | $117,575.00 | -41.5% | → |
| 2017-11-09 | STERN ANDREW M | Director | Sell | 10,000 | $42.89 | $428,911.00 | -60.0% | → |
| 2017-11-06 | SALKA SUSAN R | President and CEO | Sell | 74,456 | $41.86 | $3,116,564.36 | -22.5% | → |
| 2017-10-02 | Henderson Ralph | Pres., Prof. Svc. & Staffing | Sell | 6,906 | $46.00 | $317,676.00 | -17.9% | → |
| 2017-06-13 | FOLETTA MARK G | Director | Sell | 1,500 | $36.71 | $55,057.50 | -19.9% | → |
| 2017-03-17 | Henderson Ralph | Pres., Prof. Svc. & Staffing | Sell | 6,904 | $43.00 | $296,872.00 | -15.1% | → |
| 2017-03-02 | STERN ANDREW M | Director | Sale+OE | 4,560 | $41.63 | $189,811.82 | -21.5% | → |
| 2017-02-28 | Weaver Paul E | Director | Sell | 15,000 | $41.37 | $620,501.00 | -13.7% | → |
| 2017-02-23 | Henderson Ralph | Pres., Prof. Svc. & Staffing | Sell | 3,655 | $42.06 | $153,729.30 | -7.4% | → |
| 2017-02-21 | WHEAT DOUGLAS D | Director | Sell | 5,532 | $41.62 | $230,241.84 | -100% | → |
| 2017-02-21 | Jackson Denise L | General Counsel / Sr. V.P. | Sale+OE | 823 | $40.90 | $33,660.70 | -2.3% | → |