| 2023-04-28 | Sale | CoStar Group, Inc. CSGP | President and CEO | 360,530 0.0889% | $76.77 | $27.68M | +7.6% | |
| 2021-03-10 | Sale | CoStar Group, Inc. CSGP | President and CEO | 19,570 0.0506% | $818.37 | $16.02M | +3.93% | |
| 2020-08-27 | Sale | CoStar Group, Inc. CSGP | President and CEO | 15,584 0.0401% | $851.66 | $13.27M | +1.77% | |
| 2020-08-26 | Sale | CoStar Group, Inc. CSGP | President and CEO | 15,584 0.0401% | $848.16 | $13.22M | +2.32% | |
| 2020-03-02 | Sale | CoStar Group, Inc. CSGP | President and CEO | 67,200 0.1129% | $432.47 | $29.06M | +17.35% | |
| 2019-07-26 | Sale | CoStar Group, Inc. CSGP | President and CEO | 48,420 0.1321% | $628.64 | $30.44M | -2.61% | |
| 2019-03-04 | Sale | CoStar Group, Inc. CSGP | President and CEO | 110,644 0.1885% | $287.77 | $31.84M | +25.57% | |
| 2018-04-30 | Sale | CoStar Group, Inc. CSGP | President and CEO | 11,678 0.0326% | $369.05 | $4.31M | +11.21% | |
| 2018-04-27 | Sale | CoStar Group, Inc. CSGP | President and CEO | 22,400 0.0624% | $371.15 | $8.31M | +10.34% | |
| 2018-04-26 | Sale | CoStar Group, Inc. CSGP | President and CEO | 15,564 0.0433% | $372.34 | $5.8M | +9.8% | |
| 2018-02-27 | Sale | CoStar Group, Inc. CSGP | President and CEO | 160,110 0.4501% | $347.10 | $55.57M | +11.56% | |
| 2017-05-03 | Sale | CoStar Group, Inc. CSGP | President and CEO | 43,536 0.0781% | $143.24 | $6.24M | +18.07% | |
| 2017-05-02 | Sale | CoStar Group, Inc. CSGP | President and CEO | 43,536 0.0788% | $143.51 | $6.25M | +18.43% | |
| 2017-03-02 | Sale | CoStar Group, Inc. CSGP | President and CEO | 52,542 0.1631% | $205.31 | $10.79M | +36.28% | |
| 2015-11-11 | Sale | CoStar Group, Inc. CSGP | President and CEO | 35,224 0.1103% | $205.10 | $7.22M | +0.04% | |
| 2015-03-02 | Sale | CoStar Group, Inc. CSGP | President and CEO | 66,374 0.2075% | $197.90 | $13.14M | -0.52% | |
| 2014-03-06 | Sale | CoStar Group, Inc. CSGP | President and CEO | 100,000 0.3518% | $210.04 | $21M | -23.81% | |
| 2013-10-28 | Sale | CoStar Group, Inc. CSGP | President and CEO | 108,800 0.2221% | $102.04 | $11.1M | -9.68% | |
| 2013-07-30 | Sale | CoStar Group, Inc. CSGP | President and CEO | 61,040 0.2193% | $157.03 | $9.59M | +7.39% | |
| 2013-07-29 | Sale | CoStar Group, Inc. CSGP | President and CEO | 78,982 0.283% | $155.92 | $12.31M | +7.89% |