COSTANZO BRIAN J.

PrivateCIK: 1873434
Location

GLEN ALLEN, VA

COSTANZO BRIAN J. (CAO and Controller) reported 2 transactions at MARKEL GROUP INC.

Review the transaction codes below to understand the nature of each event.

InsiderCOSTANZO BRIAN J.CIK 1873434
IssuerMARKEL GROUP INC.CIK 1096343
Officer· CAO and Controller
Since Aug 2021
+17.05
Net shares
Net buyer
$24.1K
Total sold
0
Open market trades
0B · 0S
2
Total transactions
30.13 acquired · 13.08 disposed
Non-Derivative Transactions2

Common Stock

Direct
F · Tax Withholding

Shares

13.08

Price / share

$1.84K

Trade value

$24.12K

% of position

0.8%
5/15/2026
1.61K1.60K

Common Stock

Direct
J · J

Shares

+30.13

Price / share

$1.66K

Trade value

$50K

% of position

1.9%
5/15/2026
1.60K1.63K
Total

Net shares

+17.05

Net value

$25.88K

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned226.32
Total
226.32 indirect226.32
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
COSTANZO BRIAN J. — Insider Transaction (Form 4) Filed May 19, 2026 | Finecho