| 2013-11-22 | Sale | White Mountains Insurance Group, Ltd. WTM | Managing Director | 1,400 0.0546% | $603.90 | $845,456 | -0.2% | |
| 2013-11-21 | Sale | White Mountains Insurance Group, Ltd. WTM | Managing Director | 1,400 0.0543% | $603.05 | $844,266 | -0.54% | |
| 2013-05-15 | Sale | White Mountains Insurance Group, Ltd. WTM | Managing Director | 6,400 0.2478% | $606.44 | $3.88M | -3.26% | |
| 2012-12-07 | Sale | White Mountains Insurance Group, Ltd. WTM | Managing Director | 1,800 0.0698% | $519.01 | $934,218 | +10.74% | |
| 2011-12-27 | Sale | White Mountains Insurance Group, Ltd. WTM | Managing Director | 3,200 0.1238% | $451.00 | $1.44M | +13.77% | |
| 2011-12-02 | Sale | White Mountains Insurance Group, Ltd. WTM | Managing Director | 1,000 0.0388% | $425.61 | $425,606 | +20.71% | |
| 2011-06-07 | Sale | White Mountains Insurance Group, Ltd. WTM | Managing Director | 1,000 0.0389% | $402.16 | $402,157 | +7.16% | |
| 2009-12-23 | Sale | White Mountains Insurance Group, Ltd. WTM | Managing Director & President | 200 0.0078% | $334.08 | $66,816 | -1.83% |