MARKEL CORP

Ticker: MKL CUSIP: 570535104 Class: COMMON STOCK

Summit Trail Advisors, LLC's Holding History (CIK: 0001698478)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 690 Value ($000) $1,483 Avg Close $2025.92 Range $1812.24 - $2207.59

Q3 2025

Shares 755 Value ($000) $1,443 Avg Close $1960.42 Range $1889.91 - $2075.92

Q2 2025

Shares 839 Value ($000) $1,676 Avg Close $1875.20 Range $1621.89 - $2004.24

Q1 2018

Shares 195 Value ($000) $225 Avg Close $1125.56 Range $1049.95 - $1194.98

Q4 2017

Shares 194 Value ($000) $217 Avg Close $1093.18 Range $1054.20 - $1157.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	690	$1,483	$2025.92	$1812.24 - $2207.59
Q3 2025	755	$1,443	$1960.42	$1889.91 - $2075.92
Q2 2025	839	$1,676	$1875.20	$1621.89 - $2004.24
Q1 2018	195	$225	$1125.56	$1049.95 - $1194.98
Q4 2017	194	$217	$1093.18	$1054.20 - $1157.30