| 2015-08-18 | Sale | CDW Corporation CDW | 10 percent owner | 11.58M 6.6221% | $38.25 | $443.06M | +5.95% | |
| 2015-05-22 | Sale | CDW Corporation CDW | 10 percent owner | 12.43M 7.2174% | $36.77 | $457.01M | +9.81% | |
| 2014-12-08 | Sale | CDW Corporation CDW | 10 percent owner | 15.82M 9.0912% | $33.28 | $526.55M | +11.12% | |
| 2014-09-08 | Sale | CDW Corporation CDW | director | 13.77M 8.136% | $31.95 | $439.94M | +13.26% | |
| 2014-06-04 | Sale | CDW Corporation CDW | 10 percent owner | 2.09M 1.1675% | $28.35 | $59.16M | +14.58% | |
| 2014-05-28 | Sale | CDW Corporation CDW | 10 percent owner | 13.67M 7.8547% | $28.35 | $387.56M | +15.81% | |
| 2014-03-12 | Sale | CDW Corporation CDW | 10 percent owner | 10.19M 6.0473% | $25.55 | $260.41M | +23.8% | |
| 2013-12-18 | Sale | CDW Corporation CDW | 10 percent owner | 2.06M 1.1145% | $20.50 | $42.17M | +34.32% | |
| 2013-11-19 | Sale | CDW Corporation CDW | 10 percent owner | 13.23M 7.5493% | $20.50 | $271.24M | +37.16% |