| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For MKL | |||||
| 2025-12-31 | Costanzo, Brian J. | Chief Financial Officer | Purchased | 2.18 | $1,602.62 |
| 2025-12-11 | Markel, Steven A | Director | Sold | 120 | $2,114.99 |
| 2025-12-11 | Markel, Steven A | Director | Sold | 100 | $2,116.18 |
| 2025-12-11 | Markel, Steven A | Director | Sold | 201 | $2,117.37 |
| 2025-12-11 | Markel, Steven A | Director | Sold | 24 | $2,118.37 |
| 2025-12-11 | Markel, Steven A | Director | Sold | 40 | $2,112.03 |
| 2025-12-11 | Markel, Steven A | Director | Sold | 51 | $2,120.65 |
| 2025-12-11 | Markel, Steven A | Director | Sold | 173 | $2,121.69 |
| 2025-12-11 | Markel, Steven A | Director | Sold | 70 | $2,108.27 |
| 2025-12-11 | Markel, Steven A | Director | Sold | 50 | $2,103.55 |
| 2025-12-11 | Markel, Steven A | Director | Sold | 64 | $2,100.00 |
| 2025-12-11 | Markel, Steven A | Director | Sold | 120 | $2,129.98 |
| 2025-12-11 | Markel, Steven A | Director | Sold | 10 | $2,128.00 |
| 2025-12-11 | Markel, Steven A | Director | Sold | 190 | $2,127.26 |
| 2025-12-11 | Markel, Steven A | Director | Sold | 75 | $2,126.00 |
| 2025-12-11 | Markel, Steven A | Director | Sold | 10 | $2,123.05 |
| 2025-12-11 | Markel, Steven A | Director | Sold | 32 | $2,125.00 |
| 2025-12-02 | Wilson, Simon | CEO, Markel Insurance | Sold | 94 | $2,060.83 |
| 2025-12-02 | Gayner, Thomas Sinnickson | Director, Chief Executive Officer | Sold | 36.61 | $2,060.83 |
| 2025-12-02 | Heaton, Michael R | EVP & Chief Operating Officer | Sold | 217.38 | $2,060.83 |