Markel Group Inc.

Last updated September 27, 2026

Favorite this organization

Organization details

Legal name: Markel Group Inc.
Former names: Markel Corp Markel Holdings Inc
Ownership: Public
Status: Active
Sector (GICS): Financials
SIC code: 6331 — Fire, Marine & Casualty Insurance
Jurisdiction of incorporation: Virginia
Headquarters city: Glen Allen
Headquarters state / province: Virginia
Headquarters country: United States
Fiscal year end: December
Ticker symbol: MKL
Primary stock exchange: NYSE

Identifiers

SEC CIK: 0001096343
EIN: 54-1959284
Wikidata ID: Q6770621

Board of directors

Follow this board

A. Lynne Puckett · Director
Since 2023
Anthony F. Markel · Director
Since 2023
Diane Leopold · Director
Since 2023
Greta J. Harris · Director
Since 2023
Harold Lawrence Morrison Jr. · Director
Since 2023
Jonathan E. Michael · Director
Since 2025
K. Bruce Connell · Director
Since 2023
Lawrence A. Cunningham · Director
Since 2023
Mark Besca · Director
Since 2023
Michael Oreilly · Director
Since 2023
Morgan E. Housel · Director
Since 2023
Steven A. Markel · Director
Since 2023
Thomas Sinnickson Gayner · Director · Chief Executive Officer
Since 2023

Chief executives

Thomas Sinnickson Gayner · Chief Executive Officer

Dates unknown

Director election results

Annual meeting of May 21, 2025. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

4 of this board's directors also sit on 9 other boards. 1 is in the same sector.

Shared director Other board Same sector

CMS Energy Corporation
via Diane Leopold
Cable One Inc.
via Thomas Sinnickson Gayner
Clarus Corporation
via Mark Besca
Graham Holdings Company
via Thomas Sinnickson Gayner
Las Vegas Sands Corp.
via Mark Besca
RLI Corp. Same sector
via Jonathan E. Michael
SS&C Technologies Holdings Inc.
via Jonathan E. Michael
The Coca-Cola Company
via Thomas Sinnickson Gayner
nVent Electric plc
via Diane Leopold

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months: $371,066; 3 purchases by 2 insiders
Sold, last 12 months: $3,679,244; 23 sales by 3 insiders

Date	Insider	Transaction	Shares	Price	Value
Nov 5, 2026	Steven A. Markel Director	Gift	−500	—	—
Sep 30, 2026	Costanzo Brian J. Officer (Chief Financial Officer)	Other	+2	$1,455.58	$3,000
Jul 15, 2026	Crowley Andrew G. Officer (EVP & Pres., Markel Ventures)	Other	+7	$1,730.49	$12,944
Jun 30, 2026	Costanzo Brian J. Officer (Chief Financial Officer)	Other	+2	$1,617.19	$3,493
Jun 30, 2026	Crowley Andrew G. Officer (EVP & Pres., Markel Ventures)	Other	+3	$1,617.19	$4,560
Jun 15, 2026	Mark Besca Director	Other	+81	$1,668.65	$134,994
Jun 15, 2026	Morgan E. Housel Director	Other	+66	$1,668.65	$109,997
Jun 15, 2026	Diane Leopold Director	Other	+66	$1,668.65	$109,997
Jun 15, 2026	Jonathan E. Michael Director	Other	+66	$1,668.65	$109,997
Jun 15, 2026	Harold Lawrence Morrison Jr. Director	Other	+33	$1,668.65	$54,999
Jun 15, 2026	Lawrence A. Cunningham Director	Other	+33	$1,668.65	$54,999
Jun 15, 2026	A. Lynne Puckett Director	Other	+66	$1,668.65	$109,997
Jun 15, 2026	Michael Oreilly Director	Other	+90	$1,668.65	$149,995
May 22, 2026	Greta J. Harris Director	Open-market sale	−35	$1,846.12	$64,614
May 22, 2026	Greta J. Harris Director	Open-market sale	−14	$1,847.36	$25,863

Peers

Compare boards

Organizations in the same sector, closest in location and size first.

AFLAC Incorporated NYSE: AFL · Columbus, United States Organization AI Infrastructure Acquisition Corp. NYSE: AIIA · LAS Vegas, United States Organization APEX Tech Acquisition Inc. NYSE: TRAD · Houston, United States Organization Abacus Global Management Inc. NYSE: ABX · Orlando, United States Organization

Questions about Markel Group Inc.

Who is the CEO of Markel Group Inc.?

Thomas Sinnickson Gayner is Markel Group Inc.'s Chief Executive Officer.

How many directors are on Markel Group Inc.'s board?

Markel Group Inc.'s board has 13 directors: A. Lynne Puckett, Anthony F. Markel, Diane Leopold, Greta J. Harris, Harold Lawrence Morrison Jr., Jonathan E. Michael, K. Bruce Connell, Lawrence A. Cunningham, Mark Besca, Michael Oreilly and 3 others.

Are Markel Group Inc. insiders buying or selling shares?

Over the last 12 months, Markel Group Inc. insiders bought $371,066 of shares in 3 purchases and sold $3.7 million of shares in 23 sales on the open market, as reported to the SEC on Forms 4 and 5.

How is Markel Group Inc. connected to…? → Spot something wrong? Report a correction

Embed this board on your site

Paste this where the board should appear. It always shows the current directors and links back here.

<div data-bod-board="markel-group-inc"></div>
<script src="https://boardofdirectors.review/embed.js" async></script>

Reviews (0)

No reviews yet. Be the first to write one.