| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 15, 2026 | Puckett A. Lynne | Director | J | 65 | $1668.6500 | $108.46K |
| Jun 15, 2026 | Cunningham Lawrence A | Director | J | 32 | $1668.6500 | $53.40K |
| Jun 15, 2026 | OREILLY MICHAEL | Director | J | 89 | $1668.6500 | $148.51K |
| Jun 15, 2026 | Morrison Harold Lawrence Jr. | Director | J | 32 | $1668.6500 | $53.40K |
| Jun 15, 2026 | Leopold Diane | Director | J | 65 | $1668.6500 | $108.46K |
| Jun 15, 2026 | MICHAEL JONATHAN E | Director | J | 65 | $1668.6500 | $108.46K |
| Jun 15, 2026 | Housel Morgan E. | Director | J | 65 | $1668.6500 | $108.46K |
| Jun 15, 2026 | Besca Mark | Director | J | 80 | $1668.6500 | $133.49K |
| May 22, 2026 | Harris Greta J | Director | S | 27 | $1848.8300 | $49.92K |
| May 22, 2026 | Harris Greta J | Director | S | 14 | $1847.3600 | $25.86K |
| May 22, 2026 | Harris Greta J | Director | S | 35 | $1846.1200 | $64.61K |
| May 20, 2026 | Leopold Diane | Director | A | 89 | $0.0000 | $0.00 |
| May 20, 2026 | Puckett A. Lynne | Director | A | 89 | $0.0000 | $0.00 |
| May 20, 2026 | Housel Morgan E. | Director | A | 89 | $0.0000 | $0.00 |
| May 20, 2026 | OREILLY MICHAEL | Director | A | 89 | $0.0000 | $0.00 |
| May 20, 2026 | Cunningham Lawrence A | Director | A | 89 | $0.0000 | $0.00 |
| May 20, 2026 | Harris Greta J | Director | A | 89 | $0.0000 | $0.00 |
| May 20, 2026 | Besca Mark | Director | A | 89 | $0.0000 | $0.00 |
| May 20, 2026 | Morrison Harold Lawrence Jr. | Director | A | 89 | $0.0000 | $0.00 |
| May 20, 2026 | MICHAEL JONATHAN E | Director | A | 89 | $0.0000 | $0.00 |
| May 15, 2026 | Costanzo Brian J. | Chief Financial Officer | J | 30 | $1659.6000 | $49.79K |
| May 15, 2026 | Costanzo Brian J. | Chief Financial Officer | F | 13 | $1844.0000 | $23.97K |
| May 15, 2026 | Crowley Andrew G. | EVP & Pres., Markel Ventures | J | 60 | $1659.6000 | $99.58K |
| May 15, 2026 | Crowley Andrew G. | EVP & Pres., Markel Ventures | F | 74 | $1844.0000 | $136.46K |
| May 15, 2026 | Grinnan Richard Randolph | SVP, Chief Legal Officer & Sec | F | 116 | $1844.0000 | $213.90K |
| May 15, 2026 | GAYNER THOMAS SINNICKSON | Chief Executive Officer | F | 481 | $1844.0000 | $886.96K |
| May 7, 2026 | Leopold Diane | Director | P | 50 | $1789.1900 | $89.46K |
| May 6, 2026 | Leopold Diane | Director | P | 100 | $1792.6100 | $179.26K |
| May 1, 2026 | Puckett A. Lynne | Director | P | 57 | $1795.5300 | $102.34K |
| Mar 31, 2026 | Costanzo Brian J. | Chief Financial Officer | J | 1 | $1626.9600 | $1.63K |
| Mar 31, 2026 | Crowley Andrew G. | EVP & Pres., Markel Ventures | J | 9 | $1626.9600 | $14.64K |
| Feb 26, 2026 | Wilson Simon | EVP and CEO, Markel Insurance | S | 100 | $2079.4848 | $207.95K |
| Feb 24, 2026 | Wilson Simon | EVP and CEO, Markel Insurance | A | 868 | $0.0000 | $0.00 |
| Feb 24, 2026 | GAYNER THOMAS SINNICKSON | Chief Executive Officer | A | 4,483 | $0.0000 | $0.00 |
| Feb 24, 2026 | Grandis Meade P. | CAO and Controller | A | 69 | $0.0000 | $0.00 |
| Feb 24, 2026 | Grinnan Richard Randolph | SVP, Chief Legal Officer & Sec | A | 800 | $0.0000 | $0.00 |
| Feb 24, 2026 | Crowley Andrew G. | EVP & Pres., Markel Ventures | A | 830 | $0.0000 | $0.00 |
| Feb 24, 2026 | Costanzo Brian J. | Chief Financial Officer | A | 654 | $0.0000 | $0.00 |
| Feb 17, 2026 | Wilson Simon | CEO, Markel Insurance | F | 47 | $2084.4600 | $97.97K |
| Dec 31, 2025 | Costanzo Brian J. | Chief Financial Officer | J | 2 | $1602.6200 | $3.21K |
| Dec 11, 2025 | MARKEL STEVEN A | Director | S | 120 | $2129.9800 | $255.60K |
| Dec 11, 2025 | MARKEL STEVEN A | Director | S | 10 | $2128.0000 | $21.28K |
| Dec 11, 2025 | MARKEL STEVEN A | Director | S | 190 | $2127.2600 | $404.18K |
| Dec 11, 2025 | MARKEL STEVEN A | Director | S | 75 | $2126.0000 | $159.45K |
| Dec 11, 2025 | MARKEL STEVEN A | Director | S | 32 | $2125.0000 | $68.00K |
| Dec 11, 2025 | MARKEL STEVEN A | Director | S | 10 | $2123.0500 | $21.23K |
| Dec 11, 2025 | MARKEL STEVEN A | Director | S | 173 | $2121.6900 | $367.05K |
| Dec 11, 2025 | MARKEL STEVEN A | Director | S | 51 | $2120.6500 | $108.15K |
| Dec 11, 2025 | MARKEL STEVEN A | Director | S | 24 | $2118.3700 | $50.84K |
| Dec 11, 2025 | MARKEL STEVEN A | Director | S | 201 | $2117.3700 | $425.59K |