Brian J. Costanzo - 30 Sep 2025 Form 4 Insider Report for MARKEL GROUP INC. (MKL)

Role: Chief Financial Officer
Signature: /s/ Karen O. Earls, Attorney-in-fact for Brian J. Costanzo
Issuer symbol: MKL
Transactions as of: 30 Sep 2025
Net transactions value: +$2,999
Form type: 4
Filing time: 16 Oct 2025, 16:53:34 UTC
Previous filing: 16 Jul 2025
Next filing: 03 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Costanzo Brian J.	Chief Financial Officer	C/O MARKEL GROUP INC., 4521 HIGHWOODS PARKWAY, GLEN ALLEN	/s/ Karen O. Earls, Attorney-in-fact for Brian J. Costanzo	16 Oct 2025	0001873434

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MKL	Common Stock	Other	$2,999	+2	+0.19%	$1624.66	976	30 Sep 2025	Direct	F1
holding	MKL	Common Stock						224	30 Sep 2025	401(k) Plan	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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).
F2	Between June 30, 2025 and September 30, 2025, the reporting person acquired 2.136 shares under the MKL 401(k) plan. The information reported herein is based on the plan balance as of September 30, 2025.