MARKEL CORP

Ticker: MKL CUSIP: 570535104 Class: COMMON STOCK

Shelter Mutual Insurance Co's Holding History (CIK: 0001455288)

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

Q4 2025

Shares 1,200 Value ($000) $2,580 Avg Close $2025.92 Range $1812.24 - $2207.59

Q3 2025

Shares 1,200 Value ($000) $2,294 Avg Close $1960.42 Range $1889.91 - $2075.92

Q2 2025

Shares 1,200 Value ($000) $2,397 Avg Close $1875.20 Range $1621.89 - $2004.24

Q1 2025

Shares 1,200 Value ($000) $2,244 Avg Close $1839.75 Range $1641.51 - $2063.68

Q4 2024

Shares 1,200 Value ($000) $2,071 Avg Close $1659.34 Range $1521.25 - $1809.11

Q3 2024

Shares 1,200 Value ($000) $1,963 Avg Close $1565.15 Range $1491.03 - $1660.74

Q2 2024

Shares 1,200 Value ($000) $1,891 Avg Close $1552.86 Range $1417.65 - $1670.24

Q1 2024

Shares 1,200 Value ($000) $1,826 Avg Close $1466.28 Range $1342.66 - $1534.62

Q4 2023

Shares 1,200 Value ($000) $1,704 Avg Close $1418.73 Range $1295.65 - $1528.08

Q3 2023

Shares 1,200 Value ($000) $1,767 Avg Close $1463.82 Range $1345.00 - $1560.00

Q2 2023

Shares 1,200 Value ($000) $1,660 Avg Close $1340.97 Range $1272.43 - $1400.00

Q1 2023

Shares 1,200 Value ($000) $2 Avg Close $1328.48 Range $1186.56 - $1458.56

Q4 2022

Shares 1,200 Value ($000) $2 Avg Close $1237.05 Range $1085.09 - $1356.37

Q3 2022

Shares 1,200 Value ($000) $1,301 Avg Close $1220.12 Range $1064.09 - $1335.10

Q2 2022

Shares 1,200 Value ($000) $1,552 Avg Close $1372.21 Range $1251.77 - $1519.25

Q1 2022

Shares 1,200 Value ($000) $1,771 Avg Close $1291.81 Range $1180.00 - $1513.00

Q4 2021

Shares 1,200 Value ($000) $1,481 Avg Close $1261.86 Range $1179.00 - $1343.56

Q3 2021

Shares 1,200 Value ($000) $1,434 Avg Close $1232.92 Range $1175.35 - $1288.00

Q2 2021

Shares 1,200 Value ($000) $1,424 Avg Close $1198.75 Range $1138.00 - $1268.96

Q1 2021

Shares 1,200 Value ($000) $1,368 Avg Close $1078.65 Range $942.44 - $1169.50

Q4 2020

Shares 1,200 Value ($000) $1,240 Avg Close $996.82 Range $913.04 - $1073.43

Q3 2020

Shares 1,200 Value ($000) $1,168 Avg Close $1015.77 Range $881.00 - $1124.00

Q2 2020

Shares 1,200 Value ($000) $1,108 Avg Close $908.95 Range $761.06 - $1049.56

Q1 2020

Shares 1,200 Value ($000) $1,113 Avg Close $1143.50 Range $710.52 - $1347.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,200	$2,580	$2025.92	$1812.24 - $2207.59
Q3 2025	1,200	$2,294	$1960.42	$1889.91 - $2075.92
Q2 2025	1,200	$2,397	$1875.20	$1621.89 - $2004.24
Q1 2025	1,200	$2,244	$1839.75	$1641.51 - $2063.68
Q4 2024	1,200	$2,071	$1659.34	$1521.25 - $1809.11
Q3 2024	1,200	$1,963	$1565.15	$1491.03 - $1660.74
Q2 2024	1,200	$1,891	$1552.86	$1417.65 - $1670.24
Q1 2024	1,200	$1,826	$1466.28	$1342.66 - $1534.62
Q4 2023	1,200	$1,704	$1418.73	$1295.65 - $1528.08
Q3 2023	1,200	$1,767	$1463.82	$1345.00 - $1560.00
Q2 2023	1,200	$1,660	$1340.97	$1272.43 - $1400.00
Q1 2023	1,200	$2	$1328.48	$1186.56 - $1458.56
Q4 2022	1,200	$2	$1237.05	$1085.09 - $1356.37
Q3 2022	1,200	$1,301	$1220.12	$1064.09 - $1335.10
Q2 2022	1,200	$1,552	$1372.21	$1251.77 - $1519.25
Q1 2022	1,200	$1,771	$1291.81	$1180.00 - $1513.00
Q4 2021	1,200	$1,481	$1261.86	$1179.00 - $1343.56
Q3 2021	1,200	$1,434	$1232.92	$1175.35 - $1288.00
Q2 2021	1,200	$1,424	$1198.75	$1138.00 - $1268.96
Q1 2021	1,200	$1,368	$1078.65	$942.44 - $1169.50
Q4 2020	1,200	$1,240	$996.82	$913.04 - $1073.43
Q3 2020	1,200	$1,168	$1015.77	$881.00 - $1124.00
Q2 2020	1,200	$1,108	$908.95	$761.06 - $1049.56
Q1 2020	1,200	$1,113	$1143.50	$710.52 - $1347.64