| 2017-02-22 | Sale | Quest Diagnostics Incorporated DGX | director | 4,000 0.0029% | $95.51 | $382,032 | +7.77% | |
| 2016-07-25 | Sale | Quest Diagnostics Incorporated DGX | director | 2,000 0.0014% | $84.36 | $168,718 | +10.74% | |
| 2015-08-06 | Sale | Quest Diagnostics Incorporated DGX | director | 4,400 0.0031% | $74.35 | $327,140 | -5.11% | |
| 2015-02-03 | Sale | Quest Diagnostics Incorporated DGX | director | 16,000 0.0095% | $61.72 | $987,440 | -1.63% | |
| 2014-07-25 | Sale | Quest Diagnostics Incorporated DGX | director | 3,730 0.0026% | $61.90 | $230,887 | +14.04% | |
| 2014-07-24 | Sale | Quest Diagnostics Incorporated DGX | director | 6,135 0.0034% | $49.94 | $306,382 | +15.34% | |
| 2014-05-22 | Sale | Quest Diagnostics Incorporated DGX | director | 5,946 0.004% | $56.02 | $333,099 | +12.38% | |
| 2013-08-12 | Sale | Quest Diagnostics Incorporated DGX | director | 3,906 0.0026% | $59.45 | $232,218 | -0.39% | |
| 2013-05-22 | Sale | Quest Diagnostics Incorporated DGX | director | 62,724 0.0417% | $62.00 | $3.89M | -3.16% | |
| 2013-04-11 | Sale | Quest Diagnostics Incorporated DGX | director | 2,940 0.0019% | $58.35 | $171,549 | -1% | |
| 2013-02-20 | Sale | Quest Diagnostics Incorporated DGX | director | 4,000 0.0026% | $57.42 | $229,680 | +4.58% | |
| 2012-09-06 | Sale | Quest Diagnostics Incorporated DGX | director | 20,000 0.0119% | $58.86 | $1.18M | -4.87% | |
| 2012-08-03 | Sale | Quest Diagnostics Incorporated DGX | director | 5,600 0.0035% | $59.26 | $331,832 | +0.24% | |
| 2012-06-29 | Sale | Quest Diagnostics Incorporated DGX | director | 2,920 0.0018% | $60.00 | $175,200 | -1.25% | |
| 2012-06-28 | Sale | Quest Diagnostics Incorporated DGX | director | 40,000 0.0191% | $44.73 | $1.79M | +0.12% | |
| 2012-05-30 | Sale | Quest Diagnostics Incorporated DGX | director | 1,728 0.0011% | $58.13 | $100,449 | +1.87% | |
| 2011-10-28 | Sale | Quest Diagnostics Incorporated DGX | director | 12,997 0.0082% | $57.28 | $744,501 | +1.5% | |
| 2011-02-08 | Sale | Quest Diagnostics Incorporated DGX | director | 21,180 0.0132% | $58.57 | $1.24M | -2.42% | |
| 2009-02-06 | Sale | Quest Diagnostics Incorporated DGX | director | 20,966 0.011% | $52.01 | $1.09M | +3.57% | |
| 2006-05-17 | Sale | Quest Diagnostics Incorporated DGX | director | 5,390 0.0027% | $58.70 | $316,393 | -9.69% |