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
-
A. Lynne Puckett · DirectorSince 2023
-
Anthony F. Markel · DirectorSince 2023
-
Diane Leopold · DirectorSince 2023
-
Greta J. Harris · DirectorSince 2023
-
Harold Lawrence Morrison Jr. · DirectorSince 2023
-
K. Bruce Connell · DirectorSince 2023
-
Lawrence A. Cunningham · DirectorSince 2023
-
Mark Besca · DirectorSince 2023
-
Michael Oreilly · DirectorSince 2023
-
Morgan E. Housel · DirectorSince 2023
-
Steven A. Markel · DirectorSince 2023
-
Thomas Sinnickson Gayner · Director · Chief Executive OfficerSince 2023
Chief executives
Thomas Sinnickson Gayner
· Chief Executive Officer
Dates unknown
Board connections
1 of this board's directors also sit on 3 other boards.
- via Thomas Sinnickson Gayner
- via Thomas Sinnickson Gayner
- via Thomas Sinnickson Gayner
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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