| 2020-04-09 | Sale | Markel Corporation MKL | Executive Chairman | 400 0.0029% | $1,000.00 | $400,000 | -0.55% | |
| 2020-01-02 | Sale | Markel Corporation MKL | Executive Chairman | 400 0.0029% | $1,144.69 | $457,877 | -14.15% | |
| 2019-10-02 | Sale | Markel Corporation MKL | Executive Chairman | 200 0.0014% | $1,151.92 | $230,383 | -6.83% | |
| 2019-07-01 | Sale | Markel Corporation MKL | Executive Chairman | 200 0.0014% | $1,106.17 | $221,234 | +1.94% | |
| 2019-04-12 | Sale | Markel Corporation MKL | Executive Chairman | 200 0.0014% | $1,002.50 | $200,500 | +12.58% | |
| 2019-01-02 | Sale | Markel Corporation MKL | Executive Chairman | 200 0.0014% | $1,020.82 | $204,164 | +6.7% | |
| 2018-10-01 | Sale | Markel Corporation MKL | Executive Chairman | 100 0.0007% | $1,190.55 | $119,055 | -8.91% | |
| 2018-07-02 | Sale | Markel Corporation MKL | Executive Chairman | 100 0.0007% | $1,085.92 | $108,592 | -0.67% | |
| 2018-04-02 | Sale | Markel Corporation MKL | Executive Chairman | 100 0.0007% | $1,149.02 | $114,902 | -3.99% | |
| 2018-01-02 | Sale | Markel Corporation MKL | Executive Chairman | 200 0.0015% | $1,133.50 | $226,700 | +1.24% | |
| 2017-10-03 | Sale | Markel Corporation MKL | Executive Chairman | 200 0.0014% | $1,077.70 | $215,540 | +4.74% | |
| 2017-08-03 | Sale | Markel Corporation MKL | Executive Chairman | 200 0.0014% | $1,054.03 | $210,806 | +5.38% | |
| 2016-05-20 | Sale | Markel Corporation MKL | Executive Chairman | 3,980 0.0281% | $972.24 | $3.87M | -5.28% | |
| 2015-08-25 | Markel Corporation MKL | Executive Chairman | 1.28 <0.0001% | $862.50 | $1,100 | +13.46% | ||
| 2015-05-11 | Sale | Markel Corporation MKL | Chairman and CEO | 5,334 0.0383% | $779.96 | $4.16M | +11.54% | |
| 2013-11-20 | Sale | Markel Corporation MKL | Chairman and CEO | 4,000 0.032% | $539.32 | $2.16M | +18.09% | |
| 2006-05-10 | Sale | Markel Corporation MKL | Chairman and CEO | 1,800 0.0186% | $357.90 | $644,220 | +18.45% | |
| 2005-05-04 | Sale | Markel Corporation MKL | Chairman and CEO | 1,000 0.0102% | $351.01 | $351,010 | -5.49% | |
| 2004-05-26 | Sale | Markel Corporation MKL | Chairman and CEO | 5,200 0.0526% | $282.00 | $1.47M | +12.63% | |
| 2004-05-21 | Sale | Markel Corporation MKL | Chairman and CEO | 800 0.0082% | $282.00 | $225,600 | +13.23% |