| 2012-01-17 | Sale | Waste Management, Inc. WM | director | 800 0.0002% | $33.89 | $27,111 | +3.9% | |
| 2011-07-18 | Sale | Waste Management, Inc. WM | director | 744 0.0002% | $35.99 | $26,777 | -5.37% | |
| 2011-01-18 | Sale | Waste Management, Inc. WM | director | 729 0.0002% | $37.18 | $27,104 | -1.61% | |
| 2010-08-17 | Sale | Waste Management, Inc. WM | director | 10,000 0.0021% | $34.00 | $340,019 | +10.35% | |
| 2010-07-16 | Sale | Waste Management, Inc. WM | director | 813 0.0002% | $33.04 | $26,863 | +15.48% | |
| 2010-01-19 | Sale | Waste Management, Inc. WM | director | 672 0.0001% | $33.53 | $22,530 | +2.64% | |
| 2009-11-13 | Sale | Waste Management, Inc. WM | director | 10,000 0.002% | $32.02 | $320,198 | +6.84% | |
| 2009-07-16 | Sale | Waste Management, Inc. WM | director | 823 0.0002% | $27.86 | $22,930 | +18.56% | |
| 2009-01-16 | Sale | Waste Management, Inc. WM | director | 721 0.0001% | $31.82 | $22,942 | -8.69% | |
| 2008-12-23 | Sale | Waste Management, Inc. WM | director | 5,959 0.0012% | $30.97 | $184,550 | -3.66% | |
| 2008-07-16 | Sale | Waste Management, Inc. WM | director | 483 0.0008% | $35.02 | $16,917 | -15.13% |