| 2017-10-19 | Frese Calvin W Jr | See Remarks | Sell | 16,756 | $40.00 | $670,240.06 | -2.3% | → |
| 2017-10-05 | CONCANNON WILLIAM F | CEO, GWS | Sell | 25,000 | $39.02 | $975,492.50 | -13.8% | → |
| 2017-09-15 | ValueAct Holdings, L.P. | Director, See Remarks | Sell | 5,500,000 | $35.90 | $197,450,000.00 | -16.0% | → |
| 2017-09-08 | Midler Laurence H | EVP, General Counsel | Sell | 3,139 | $36.00 | $113,004.94 | -3.4% | → |
| 2017-08-22 | LAFITTE MICHAEL J | See Remarks | Sell | 27,775 | $35.71 | $991,734.15 | -8.3% | → |
| 2017-08-17 | Midler Laurence H | EVP, General Counsel | Sell | 24,246 | $35.75 | $866,713.85 | -10.4% | → |
| 2017-08-15 | SULENTIC ROBERT E | President and CEO | Sell | 90,000 | $35.91 | $3,231,900.00 | -11.5% | → |
| 2017-08-04 | Borok Gil | Dpty CFO & Chief Acctg Officer | Sell | 25,627 | $37.33 | $956,760.98 | -25.1% | → |
| 2017-07-24 | CONCANNON WILLIAM F | CEO, GWS | Sell | 20,000 | $38.09 | $761,877.74 | -4.2% | → |
| 2017-06-30 | CONCANNON WILLIAM F | CEO, GWS | Sell | 15,000 | $36.57 | $548,553.00 | -5.9% | → |
| 2017-06-28 | LAFITTE MICHAEL J | See Remarks | Sell | 15,000 | $37.02 | $555,252.00 | -3.9% | → |
| 2017-05-11 | ValueAct Holdings, L.P. | Director, 10% Owner, See Remarks | Sell | 7,500,000 | $35.20 | $264,000,000.00 | -17.9% | → |
| 2017-03-10 | TYSON LAURA D | Director | Sale+OE | 3,966 | $36.33 | $144,084.78 | -12.8% | → |
| 2017-03-03 | KIRK J. CHRISTOPHER | EVP, Chief Admin. Officer | Sell | 20,000 | $36.40 | $728,000.00 | -12.7% | → |
| 2017-02-27 | MALEK FREDERIC V | Director | Sale+OE | 5,056 | $35.60 | $180,000.68 | -1.9% | → |
| 2017-02-21 | FEENY CURTIS F | Director | Sale+OE | 2,830 | $35.49 | $100,437.20 | -2.9% | → |
| 2017-02-17 | CONCANNON WILLIAM F | CEO, GWS | Sell | 25,000 | $35.31 | $882,807.50 | -11.7% | → |
| 2017-02-16 | Borok Gil | Dpty CFO & Chief Acctg Officer | Sell | 36,209 | $35.35 | $1,279,941.08 | -24.1% | → |
| 2017-02-14 | Frese Calvin W Jr | See Remarks | Sell | 22,339 | $35.00 | $781,865.00 | -9.5% | → |
| 2017-02-14 | LAFITTE MICHAEL J | See Remarks (1) | Sell | 15,000 | $35.00 | $525,031.50 | -4.6% | → |
| 2017-02-14 | GROCH JAMES R | Chief Financial Officer | Sell | 85,000 | $34.74 | $2,953,197.50 | -8.8% | → |
| 2017-02-10 | SULENTIC ROBERT E | President and CEO | Sell | 45,000 | $33.00 | $1,485,000.00 | -6.1% | → |
| 2017-01-10 | GROCH JAMES R | Chief Financial Officer | Sell | 10,000 | $31.20 | $312,000.00 | -2.0% | → |
| 2016-12-12 | GROCH JAMES R | Chief Financial Officer | Sell | 10,000 | $32.66 | $326,600.00 | -2.0% | → |
| 2016-12-08 | LAFITTE MICHAEL J | See Remarks (1) | Sell | 15,000 | $33.01 | $495,118.50 | -4.4% | → |
| 2016-12-07 | Frese Calvin W Jr | See Remarks | Sell | 25,000 | $32.00 | $800,000.00 | -9.6% | → |
| 2016-12-02 | GROCH JAMES R | Chief Financial Officer | Sell | 30,000 | $30.00 | $900,000.00 | -5.6% | → |
| 2016-11-09 | ValueAct Holdings, L.P. | Director, 10% Owner, See Remarks | Buy | 1,200,000 | $26.95 | $32,336,500.00 | +0.4% | → |
| 2016-11-04 | ValueAct Holdings, L.P. | Director, 10% Owner, See Remarks | Buy | 2,136,006 | $26.00 | $55,537,449.88 | +0.5% | → |