MKL · Markel Group Inc. · Insider Trading

Shares acquired under the non-qualified component of the MKL 2020 Employee Stock Purchase Plan.

Shares acquired under the qualified component of the MKL 2020 Employee Stock Purchase Plan in a transaction exempt under Exchange Act Rule 16b-3(c).

Shares acquired under the qualified component of the MKL 2020 Employee Stock Purchase Plan in a transaction exempt under Exchange Act Rule 16b-3(c).

Shares acquired pursuant to the MKL 2020 Employee Stock Purchase Plan.

Shares acquired pursuant to the MKL 2020 Employee Stock Purchase Plan.

Shares acquired pursuant to the MKL 2020 Employee Stock Purchase Plan.

Shares acquired pursuant to the MKL 2020 Employee Stock Purchase Plan.

Shares acquired pursuant to the MKL 2020 Employee Stock Purchase Plan.

Shares acquired pursuant to the MKL 2020 Employee Stock Purchase Plan.

Shares acquired pursuant to the MKL 2020 Employee Stock Purchase Plan.

Shares acquired pursuant to the MKL 2020 Employee Stock Purchase Plan.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,847.19 to $1,847.46, inclusive. The reporting person undertakes to provide to any security holder of MKL or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,846.00 to $1,846.31, inclusive. The reporting person undertakes to provide to any security holder of MKL or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,848.34 to $1,848.87, inclusive. The reporting person undertakes to provide to any security holder of MKL or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Restricted stock granted pursuant to the MKL 2024 Equity Incentive Compensation Plan. Shares will vest, subject to certain conditions, on May 20, 2027.

Restricted stock granted pursuant to the MKL 2024 Equity Incentive Compensation Plan. Shares will vest, subject to certain conditions, May 20, 2027.

Restricted stock granted pursuant to the MKL 2024 Equity Incentive Compensation Plan. Shares will vest, subject to certain conditions, May 20, 2027.

Restricted stock granted pursuant to the MKL 2024 Equity Incentive Compensation Plan. Shares will vest, subject to certain conditions, May 20, 2027.

Restricted stock granted pursuant to the MKL 2024 Equity Incentive Compensation Plan. Shares will vest, subject to certain conditions, May 20, 2027.

Restricted stock granted pursuant to the MKL 2024 Equity Incentive Compensation Plan. Shares will vest, subject to certain conditions, May 20, 2027.

Restricted stock granted pursuant to the MKL 2024 Equity Incentive Compensation Plan. Shares will vest, subject to certain conditions, May 20, 2027.

Restricted stock granted pursuant to the MKL 2024 Equity Incentive Compensation Plan. Shares will vest, subject to certain conditions, May 20, 2027.

Restricted stock granted pursuant to the MKL 2024 Equity Incentive Compensation Plan. Shares will vest, subject to certain conditions, May 20, 2027.

Shares acquired under the non-qualified component of the MKL 2020 Employee Stock Purchase Plan.

Shares acquired under the non-qualified component of the MKL 2020 Employee Stock Purchase Plan.

Beneficial ownership of securities is expressly disclaimed.

The reporting person and her spouse are co-trustees and beneficiaries under the trust.

Shares acquired under the qualified component of the MKL 2020 Employee Stock Purchase Plan in a transaction exempt under Exchange Act Rule 16b-3(c).

Shares acquired under the qualified component of the MKL 2020 Employee Stock Purchase Plan in a transaction exempt under Exchange Act Rule 16b-3(c).

Restricted stock units (RSUs) awarded pursuant to the MKL 2024 Equity Incentive Compensation Plan. Subject to certain conditions, 693.951 RSUs will vest on December 31, 2028, and 136.069 RSUs will vest on February 24, 2029.

Restricted stock units (RSUs) awarded pursuant to the MKL 2024 Equity Incentive Compensation Plan. Subject to certain conditions, 539.739 RSUs will vest on December 31, 2028, and 114.902 RSUs will vest on February 24, 2029.

Restricted stock units (RSUs) awarded pursuant to the MKL 2024 Equity Incentive Compensation Plan. Subject to certain conditions, 669.277 RSUs will vest on December 31, 2028, and 131.231 RSUs will vest on February 24, 2029.

Restricted stock units (RSUs) awarded pursuant to the MKL 2024 Equity Incentive Compensation Plan. Subject to certain conditions, 629.914 RSUs will vest on December 31, 2028, and 238.203 RSUs will vest on February 24, 2029.

Restricted stock units (RSUs) awarded pursuant to the MKL 2024 Equity Incentive Compensation Plan. Subject to certain conditions, 3,731.912 RSUs will vest on December 31, 2028, and 751.704 RSUs will vest on February 24, 2029.

Restricted stock units (RSUs) awarded pursuant to the MKL 2024 Equity Incentive Compensation Plan. Subject to certain conditions, 58.292 RSUs will vest on December 31, 2028, and 11.430 RSUs will vest on February 24, 2029.

Shares acquired under the qualified component of the MKL 2020 Employee Stock Purchase Plan in a transaction exempt under Exchange Act Rule 16b-3(c).

The reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted August 15, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2,126.00 to $2,126.01, inclusive. The reporting person undertakes to provide to any security holder of MKL or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted August 15, 2025.

The reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted August 15, 2025.

The reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted August 15, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2,120.00 to $2,120.90, inclusive. The reporting person undertakes to provide to any security holder of MKL or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted August 15, 2025.

The reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted August 15, 2025.

The reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted August 15, 2025.