Markel Group Inc.

Last updated September 27, 2026

Organization details

Legal name
Markel Group Inc.
Ownership
Public
Status
Active
Headquarters country
United States
Ticker symbol
MKL
Primary stock exchange
NYSE

Identifiers

SEC CIK
0001096343

Board of directors

Chief executives

Thomas Sinnickson Gayner · Chief Executive Officer
Dates unknown

Board connections

1 of this board's directors also sit on 3 other boards.

Network of Markel Group Inc.'s board connections Cable One Inc. Cable One Inc. Graham Holdings Company Graham Holdings Compan... The Coca-Cola Company The Coca-Cola Company Thomas Sinnickson Gayner Thomas Sinnickson Ga... Markel Group Inc.
Shared director Other board Same sector

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
$0
0 purchases by 0 insiders
Sold, last 12 months
$0
0 sales by 0 insiders
Date Insider Transaction Shares Price Value
Dec 15, 2023 Crowley Andrew G. Officer (President, Markel Ventures) Other +6 $1,255.41 $7,495
Dec 5, 2023 Costanzo Brian J. Officer (SVP, Finance, CAO & Controller) Shares withheld for tax −15 $1,401.29 $21,019
Dec 5, 2023 Crowley Andrew G. Officer (President, Markel Ventures) Shares withheld for tax −28 $1,401.29 $39,236
Dec 5, 2023 Grinnan Richard Randolph Officer (SVP, Chief Legal Officer & Sec) Shares withheld for tax −123 $1,401.29 $172,359
Dec 5, 2023 Heaton Michael R Officer (Executive Vice President) Shares withheld for tax −132 $1,401.29 $184,970
Dec 5, 2023 Noble Jeremy Andrew Officer (President, Insurance) Shares withheld for tax −13 $1,401.29 $18,217
Dec 5, 2023 Thomas Sinnickson Gayner Director, Officer (Chief Executive Officer) Shares withheld for tax −46 $1,401.29 $64,459
Nov 17, 2023 Anthony F. Markel Director Gift −250 — —
Nov 17, 2023 Anthony F. Markel Director Gift −1,000 — —
Nov 17, 2023 Anthony F. Markel Director Gift +1,000 — —
Nov 15, 2023 Noble Jeremy Andrew Officer (President, Insurance) Other +8 $1,240.97 $10,002
Nov 15, 2023 Crowley Andrew G. Officer (President, Markel Ventures) Other +4 $1,240.97 $5,001
Nov 8, 2023 Lawrence A. Cunningham Director Open-market purchase +10 $1,322.00 $13,220
Nov 8, 2023 Lawrence A. Cunningham Director Open-market purchase +10 $1,320.00 $13,200
Nov 8, 2023 Lawrence A. Cunningham Director Open-market purchase +1 $1,317.00 $1,317

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