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NYSE: MKL MARKEL GROUP INC. 8-K

Markel Group names CEO Tom Gayner chairman as Steve Markel retires; promotes two to co-president

Filed September 8, 2026 · Period ending September 3, 2026 · ~1 min read

5 key changes 2 high relevance 3 sections

Key Changes

  • high

    Steve Markel will retire as chairman and not seek re-election at the 2027 annual meeting after more than 50 years of service.

  • high

    CEO Tom Gayner has been appointed chairman effective immediately, combining the CEO and chairman roles.

  • medium

    Simon Wilson and Andrew Crowley have been promoted to co-presidents, each retaining CEO responsibility for Markel Insurance and Markel Ventures respectively.

  • low

    Base salaries increased for Gayner, Wilson, and Crowley effective September 8, 2026.

  • low

    The board established a Leadership Council to improve coordination between independent directors and management on strategy, performance, and capital allocation.

Summary

Markel Group announced a planned leadership transition. Chairman Steve Markel, who has served over 50 years, will retire and not stand for re-election at the 2027 annual meeting. CEO Tom Gayner has been appointed chairman effective immediately, combining the roles.

Two existing executive vice presidents, Simon Wilson and Andrew Crowley, have been promoted to co-presidents, each leading a principal business segment. The board also established a Leadership Council to enhance coordination between independent directors and management on strategy, performance, and capital allocation. The changes are part of a succession plan and do not indicate any disagreement or financial impact.

Section-by-Section Diff

Event · Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Compensation

~300 words

Markel Group announces Chairman Steven Markel's retirement and leadership changes, including new Co-Presidents and salary increases.

3 Added
Added Chairman retirement and succession medium

Added in current filing · verify on EDGAR →

Steven A. Markel, the Company's Chairman of the Board of Directors, provided notice to the Company on September 3, 2026, that (i) he will not stand for re-election as a member of the Board at the 2027 Annual Meeting of Shareholders; and (ii) he will retire as Chairman of the Board (Chairman) upon appointment of his successor.

Steven Markel will step down as Chairman and not seek re-election at the 2027 annual meeting. Thomas Gayner, current CEO and Director, has been appointed Chairman effective September 8, 2026. This is a planned leadership transition.

Added Co-President appointments medium

Added in current filing · verify on EDGAR →

Simon Wilson, current Executive Vice President and Chief Executive Officer, Markel Insurance, as Co-President and Chief Executive Officer, Markel Insurance; and ... Andrew G. Crowley, current Executive Vice President and President, Markel Ventures, as Co-President and Chief Executive Officer, Markel Ventures.

Simon Wilson and Andrew Crowley have been appointed Co-Presidents of the company, while retaining their respective CEO roles for Markel Insurance and Markel Ventures. This expands the executive leadership team.

Show 1 minor / wording change
Added Executive compensation increases low

Added in current filing · verify on EDGAR →

Mr. Gayner, from $1,100,000 to $1,210,000; ... Mr. Wilson, from $897,967 to $1,083,5201; and ... Mr. Crowley, from $530,000 to $700,000.

Base salaries were increased for the three executives effective September 8, 2026. Gayner's salary rose 10%, Wilson's rose about 21%, and Crowley's rose about 32%. Wilson's salary is paid in GBP and converted at 1.3544 USD per GBP.

Event · Item 8.01 — Other Events

~76 words

Item 8.01 — Other Events filed; see Key Changes for terms.

1 Added
Show 1 minor / wording change
Added Board governance change low

Added in current filing · verify on EDGAR →

The Board established a Leadership Council, consisting of the Chairman and CEO, the Lead Independent Director, and the Co-Presidents, which is designed to facilitate regular coordination among independent Board leadership and senior management, and enhance the Board and management’s review of the Company’s strategy, performance, and capital allocation.

Markel's Board of Directors created a new Leadership Council made up of the Chairman and CEO, the Lead Independent Director, and the Co-Presidents. The stated purpose is to improve regular coordination between independent Board leadership and senior management, and to strengthen the Board and management's review of strategy, performance, and capital allocation. This is a governance enhancement with no direct financial impact disclosed.

Event · Exhibit 99.1

Markel announces Chairman Steve Markel's retirement, Tom Gayner's succession, and two Co-President promotions.

2 Added
Added Chairman retirement and succession high

Added in current filing · view on EDGAR →

Steve Markel, Chairman of the Board of Directors, informed the Board on Thursday, September 3, 2026 that after more than 50 years of distinguished service to Markel, he will retire as Chairman and will not seek re-election to the Board at Markel’s 2027 Annual Meeting of Shareholders. Effective today, the Board has appointed Chief Executive Officer Tom Gayner to the additional role of Chairman, succeeding Mr. Markel.

Steve Markel, who has served over 50 years, will retire as Chairman and not stand for re-election at the 2027 annual meeting. CEO Tom Gayner has been appointed Chairman effective immediately, combining the CEO and Chairman roles. Michael O'Reilly remains Lead Independent Director.

Added Co-President promotions high

Added in current filing · verify on EDGAR →

Simon Wilson and Andrew ... Crowley, previously Executive Vice Presidents of Markel Group, have been promoted to the roles of Co-Presidents of Markel Group, effective immediately. ... As Co-Presidents, Mr. Wilson and Mr. Crowley will serve as CEO of Markel Insurance and CEO of Markel Ventures, respectively.

Two existing Executive Vice Presidents are promoted to Co-Presidents, with each taking CEO responsibility for a principal business segment: Markel Insurance and Markel Ventures. This formalizes leadership over the company's two main operating businesses.

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Figures/quotes linked to EDGAR · Narrative written by AI · Sep 9, 2026 · How we verify