| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Costanzo Brian J. | Chief Financial Officer | C/O MARKEL GROUP INC., 4521 HIGHWOODS PARKWAY, GLEN ALLEN | /s/ Sarah T. Mikowski, Attorney-in-fact for Brian J. Costanzo | 03 Dec 2025 | 0001873434 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MKL | Common Stock | Tax liability | $44,767 | -22 | -2.2% | $2060.83 | 954 | 02 Dec 2025 | Direct | |
| holding | MKL | Common Stock | 224 | 02 Dec 2025 | 401(k) Plan | F1 |
| Id | Content |
|---|---|
| F1 | The information reported herein is based on the MKL 401(k) plan balance as of September 30, 2025. |