BERKSHIRE HATHAWAY INC DEL

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

Bangor Savings Bank's Holding History (CIK: 0001352675)

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

Q4 2025

Shares 3,797 Value ($000) $1,909 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 4,044 Value ($000) $2,033 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 4,096 Value ($000) $1,990 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 4,370 Value ($000) $2,327 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 4,768 Value ($000) $2,161 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 4,889 Value ($000) $2,250 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 5,334 Value ($000) $2,170 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 5,622 Value ($000) $2,364 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 5,982 Value ($000) $2,134 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 6,258 Value ($000) $2,192 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 6,402 Value ($000) $2,183 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 6,421 Value ($000) $1,983 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 6,433 Value ($000) $2 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 6,931 Value ($000) $1,850 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 6,928 Value ($000) $1,892 Avg Close $313.72 Range $263.68 - $354.58

Q4 2021

Shares 7,188 Value ($000) $2,149 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 6,987 Value ($000) $1,907 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 6,484 Value ($000) $1,802 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 6,698 Value ($000) $1,711 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 6,556 Value ($000) $1,520 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 6,777 Value ($000) $1,443 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 6,770 Value ($000) $1,209 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 6,632 Value ($000) $1,213 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 6,769 Value ($000) $1,533 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 7,001 Value ($000) $1,456 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 6,996 Value ($000) $1,491 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 7,330 Value ($000) $1,473 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 1,185 Value ($000) $242 Avg Close $208.87 Range $186.10 - $224.07

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,797	$1,909	$497.53	$473.15 - $516.85
Q3 2025	4,044	$2,033	$484.36	$455.19 - $507.66
Q2 2025	4,096	$1,990	$507.86	$462.10 - $542.07
Q1 2025	4,370	$2,327	$486.15	$440.10 - $537.63
Q4 2024	4,768	$2,161	$461.73	$437.90 - $491.67
Q3 2024	4,889	$2,250	$442.18	$403.82 - $484.82
Q2 2024	5,334	$2,170	$408.62	$395.66 - $424.52
Q1 2024	5,622	$2,364	$393.34	$355.94 - $430.00
Q4 2023	5,982	$2,134	$350.99	$330.58 - $364.05
Q3 2023	6,258	$2,192	$354.77	$338.41 - $373.34
Q2 2023	6,402	$2,183	$326.37	$307.07 - $342.50
Q1 2023	6,421	$1,983	$308.18	$292.42 - $321.32
Q4 2022	6,433	$2	$296.98	$259.85 - $319.56
Q3 2022	6,931	$1,850	$284.56	$261.55 - $308.15
Q2 2022	6,928	$1,892	$313.72	$263.68 - $354.58
Q4 2021	7,188	$2,149	$286.41	$272.22 - $301.65
Q3 2021	6,987	$1,907	$280.86	$270.73 - $291.82
Q2 2021	6,484	$1,802	$279.44	$254.80 - $295.08
Q1 2021	6,698	$1,711	$242.84	$226.10 - $267.50
Q4 2020	6,556	$1,520	$220.20	$197.81 - $234.99
Q3 2020	6,777	$1,443	$204.56	$177.34 - $223.24
Q2 2020	6,770	$1,209	$182.62	$167.04 - $203.33
Q1 2020	6,632	$1,213	$212.55	$159.50 - $231.61
Q4 2019	6,769	$1,533	$217.17	$201.33 - $228.23
Q3 2019	7,001	$1,456	$206.04	$195.40 - $216.58
Q2 2019	6,996	$1,491	$206.92	$196.89 - $219.16
Q1 2019	7,330	$1,473	$201.85	$191.04 - $209.40
Q4 2018	1,185	$242	$208.87	$186.10 - $224.07