| 2004-04-28 | Sale | Quest Diagnostics Incorporated DGX | director | 3,612 0.0035% | $84.75 | $306,113 | +3.56% | |
| 2004-04-26 | Sale | Quest Diagnostics Incorporated DGX | director | 6,000 0.0059% | $85.69 | $514,120 | +3.72% | |
| 2004-02-10 | Sale | Quest Diagnostics Incorporated DGX | director | 2,500 0.0024% | $85.10 | $212,750 | +0.58% | |
| 2004-02-09 | Sale | Quest Diagnostics Incorporated DGX | director | 500 0.0005% | $85.10 | $42,550 | +1.31% | |
| 2004-02-06 | Sale | Quest Diagnostics Incorporated DGX | director | 4,000 0.0039% | $84.53 | $338,100 | +0.61% | |
| 2004-02-04 | Sale | Quest Diagnostics Incorporated DGX | director | 4,500 0.0044% | $85.68 | $385,575 | -0.03% | |
| 2004-02-03 | Sale | Quest Diagnostics Incorporated DGX | director | 4,500 0.0044% | $85.62 | $385,275 | +1.18% | |
| 2004-01-30 | Sale | Quest Diagnostics Incorporated DGX | director | 8,000 0.0077% | $84.68 | $677,460 | +0.26% | |
| 2004-01-29 | Sale | Quest Diagnostics Incorporated DGX | director | 5,000 0.0048% | $82.00 | $410,000 | +2.48% |