BERKSHIRE HATHAWAY INC DEL

Ticker: BRK/B CUSIP: 084670702 Class: Common Stock

Cornerstone National Bank & Trust Co's Holding History (CIK: 0002104293)

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

Q4 2025

Shares 3,222 Value ($000) $1,620 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 3,174 Value ($000) $1,596 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 3,166 Value ($000) $1,538 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 3,210 Value ($000) $1,710 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 3,233 Value ($000) $1,465 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 3,191 Value ($000) $1,469 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 3,078 Value ($000) $1,252 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 2,934 Value ($000) $1,234 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 2,811 Value ($000) $1,003 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 2,851 Value ($000) $999 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 2,928 Value ($000) $998 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 3,831 Value ($000) $1,183 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 3,843 Value ($000) $1,187 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 3,896 Value ($000) $1,040 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 3,932 Value ($000) $1,074 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 3,818 Value ($000) $1,347 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 3,652 Value ($000) $1,092 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 3,793 Value ($000) $1,035 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 3,439 Value ($000) $956 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 3,210 Value ($000) $820 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 3,646 Value ($000) $845 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 3,682 Value ($000) $784 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 635,852 Value ($000) $636 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 4,033 Value ($000) $737 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 4,103 Value ($000) $929 Avg Close $217.17 Range $201.33 - $228.23

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,222	$1,620	$497.53	$473.15 - $516.85
Q3 2025	3,174	$1,596	$484.36	$455.19 - $507.66
Q2 2025	3,166	$1,538	$507.86	$462.10 - $542.07
Q1 2025	3,210	$1,710	$486.15	$440.10 - $537.63
Q4 2024	3,233	$1,465	$461.73	$437.90 - $491.67
Q3 2024	3,191	$1,469	$442.18	$403.82 - $484.82
Q2 2024	3,078	$1,252	$408.62	$395.66 - $424.52
Q1 2024	2,934	$1,234	$393.34	$355.94 - $430.00
Q4 2023	2,811	$1,003	$350.99	$330.58 - $364.05
Q3 2023	2,851	$999	$354.77	$338.41 - $373.34
Q2 2023	2,928	$998	$326.37	$307.07 - $342.50
Q1 2023	3,831	$1,183	$308.18	$292.42 - $321.32
Q4 2022	3,843	$1,187	$296.98	$259.85 - $319.56
Q3 2022	3,896	$1,040	$284.56	$261.55 - $308.15
Q2 2022	3,932	$1,074	$313.72	$263.68 - $354.58
Q1 2022	3,818	$1,347	$323.46	$294.81 - $362.10
Q4 2021	3,652	$1,092	$286.41	$272.22 - $301.65
Q3 2021	3,793	$1,035	$280.86	$270.73 - $291.82
Q2 2021	3,439	$956	$279.44	$254.80 - $295.08
Q1 2021	3,210	$820	$242.84	$226.10 - $267.50
Q4 2020	3,646	$845	$220.20	$197.81 - $234.99
Q3 2020	3,682	$784	$204.56	$177.34 - $223.24
Q2 2020	635,852	$636	$182.62	$167.04 - $203.33
Q1 2020	4,033	$737	$212.55	$159.50 - $231.61
Q4 2019	4,103	$929	$217.17	$201.33 - $228.23