Brian J. Costanzo - 31 Dec 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
31 Dec 2025
Net transactions value
+$3,500
Form type
4
Filing time
20 Jan 2026, 16:46:00 UTC
Previous filing
03 Dec 2025
Next filing
26 Feb 2026
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 20 Jan 2026 0001873434

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MKL Common Stock Other $3,500 +2 +0.23% $1602.62 957 31 Dec 2025 Direct F1
holding MKL Common Stock 224 31 Dec 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 The information reported herein is based on MKL 401(k) plan balance as of December 31, 2025.