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| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For MKL | |||||
| 2025-09-30 | Costanzo, Brian J. | Chief Financial Officer | Purchased | 1.85 | $1,624.66 |
| 2025-08-25 | Grandis, Meade P. | CAO and Controller | Sold | 75 | $1,983.78 |
| 2025-07-15 | Crowley, Andrew G. | President, Markel Ventures | Purchased | 5.62 | $1,779.25 |
| 2025-06-30 | Costanzo, Brian J. | Chief Financial Officer | Purchased | 2.21 | $1,580.87 |
| 2025-06-13 | Michael, Jonathan E | Director | Purchased | 63.37 | $1,735.89 |
| 2025-06-13 | Leopold, Diane | Director | Purchased | 63.37 | $1,735.89 |
| 2025-06-13 | Housel, Morgan E. | Director | Purchased | 63.37 | $1,735.89 |
| 2025-06-13 | Cunningham, Lawrence A | Director | Purchased | 63.37 | $1,735.89 |
| 2025-06-13 | Puckett, A. Lynne | Director | Purchased | 63.37 | $1,735.89 |
| 2025-06-13 | Oreilly, Michael | Director | Purchased | 80.65 | $1,735.89 |
| 2025-06-13 | Morrison, Harold Lawrence Jr. | Director | Purchased | 31.68 | $1,735.89 |
| 2025-06-13 | Crowley, Andrew G. | President, Markel Ventures | Purchased | 8.64 | $1,735.89 |
| 2025-05-23 | Harris, Greta J | Director | Sold | 90 | $1,861.44 |
| 2025-05-22 | Cunningham, Lawrence A | Director | Purchased | 10 | $1,854.80 |
| 2025-05-22 | Cunningham, Lawrence A | Director | Purchased | 15 | $1,849.00 |
| 2025-05-21 | Morrison, Harold Lawrence Jr. | Director | Purchased | 88 | $0.00 |
| 2025-05-21 | Harris, Greta J | Director | Purchased | 88 | $0.00 |
| 2025-05-21 | Leopold, Diane | Director | Purchased | 88 | $0.00 |
| 2025-05-21 | Michael, Jonathan E | Director | Purchased | 88 | $0.00 |
| 2025-05-21 | Cunningham, Lawrence A | Director | Purchased | 88 | $0.00 |
