BERKSHIRE HATHAWAY INC DEL

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

FIRST AMERICAN TRUST, FSB's Holding History (CIK: 0000036066)

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

Q4 2025

Shares 9,729 Value ($000) $4,890 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 10,074 Value ($000) $5,064 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 9,159 Value ($000) $4,449 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 8,987 Value ($000) $4,786 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 9,038 Value ($000) $4,097 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 8,441 Value ($000) $3,885 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 8,610 Value ($000) $3,503 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 8,801 Value ($000) $3,701 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 8,370 Value ($000) $2,985 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 7,347 Value ($000) $2,574 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 7,312 Value ($000) $2 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 7,919 Value ($000) $2 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 7,790 Value ($000) $2 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 7,378 Value ($000) $1,970 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 7,731 Value ($000) $2,111 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 7,777 Value ($000) $2,744 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 8,129 Value ($000) $2,431 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 7,830 Value ($000) $2,137 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 7,833 Value ($000) $2,177 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 8,195 Value ($000) $2,093 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 9,308 Value ($000) $2,158 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 35,244 Value ($000) $7,505 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 34,780 Value ($000) $6,208 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 64,640 Value ($000) $11,818 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 62,342 Value ($000) $14,120 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 61,564 Value ($000) $12,807 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 53,163 Value ($000) $11,333 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 50,897 Value ($000) $10,225 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 56,062 Value ($000) $11,447 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 55,379 Value ($000) $11,857 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 45,303 Value ($000) $8,456 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 39,411 Value ($000) $7,862 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 40,060 Value ($000) $7,940 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 39,350 Value ($000) $7,213 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 29,579 Value ($000) $5,010 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 42,514 Value ($000) $7,086 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 44,058 Value ($000) $7,181 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 46,009 Value ($000) $6,647 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 39,655 Value ($000) $5,742 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 41,540 Value ($000) $5,893 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 20,699 Value ($000) $2,733 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 24,968 Value ($000) $3,256 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 24,585 Value ($000) $3,346 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 24,790 Value ($000) $3,577 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 24,194 Value ($000) $3,633 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 3,270 Value ($000) $452 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 3,270 Value ($000) $414 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 2,300 Value ($000) $287 Avg Close $116.85 Range $108.12 - $125.91

Q4 2013

Shares 24,600 Value ($000) $2,917 Avg Close $115.63 Range $110.84 - $118.66

Q3 2013

Shares 24,650 Value ($000) $2,798 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 24,600 Value ($000) $2,753 Avg Close $110.02 Range $102.69 - $115.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	9,729	$4,890	$497.53	$473.15 - $516.85
Q3 2025	10,074	$5,064	$484.36	$455.19 - $507.66
Q2 2025	9,159	$4,449	$507.86	$462.10 - $542.07
Q1 2025	8,987	$4,786	$486.15	$440.10 - $537.63
Q4 2024	9,038	$4,097	$461.73	$437.90 - $491.67
Q3 2024	8,441	$3,885	$442.18	$403.82 - $484.82
Q2 2024	8,610	$3,503	$408.62	$395.66 - $424.52
Q1 2024	8,801	$3,701	$393.34	$355.94 - $430.00
Q4 2023	8,370	$2,985	$350.99	$330.58 - $364.05
Q3 2023	7,347	$2,574	$354.77	$338.41 - $373.34
Q2 2023	7,312	$2	$326.37	$307.07 - $342.50
Q1 2023	7,919	$2	$308.18	$292.42 - $321.32
Q4 2022	7,790	$2	$296.98	$259.85 - $319.56
Q3 2022	7,378	$1,970	$284.56	$261.55 - $308.15
Q2 2022	7,731	$2,111	$313.72	$263.68 - $354.58
Q1 2022	7,777	$2,744	$323.46	$294.81 - $362.10
Q4 2021	8,129	$2,431	$286.41	$272.22 - $301.65
Q3 2021	7,830	$2,137	$280.86	$270.73 - $291.82
Q2 2021	7,833	$2,177	$279.44	$254.80 - $295.08
Q1 2021	8,195	$2,093	$242.84	$226.10 - $267.50
Q4 2020	9,308	$2,158	$220.20	$197.81 - $234.99
Q3 2020	35,244	$7,505	$204.56	$177.34 - $223.24
Q2 2020	34,780	$6,208	$182.62	$167.04 - $203.33
Q1 2020	64,640	$11,818	$212.55	$159.50 - $231.61
Q4 2019	62,342	$14,120	$217.17	$201.33 - $228.23
Q3 2019	61,564	$12,807	$206.04	$195.40 - $216.58
Q2 2019	53,163	$11,333	$206.92	$196.89 - $219.16
Q1 2019	50,897	$10,225	$201.85	$191.04 - $209.40
Q4 2018	56,062	$11,447	$208.87	$186.10 - $224.07
Q3 2018	55,379	$11,857	$205.18	$185.72 - $223.00
Q2 2018	45,303	$8,456	$194.92	$184.75 - $202.77
Q1 2018	39,411	$7,862	$205.34	$189.30 - $217.62
Q4 2017	40,060	$7,940	$189.88	$180.44 - $200.50
Q3 2017	39,350	$7,213	$176.72	$168.00 - $184.00
Q2 2017	29,579	$5,010	$166.33	$160.93 - $171.95
Q1 2017	42,514	$7,086	$167.31	$158.61 - $177.86
Q4 2016	44,058	$7,181	$153.96	$141.92 - $167.25
Q3 2016	46,009	$6,647	$146.25	$140.95 - $151.05
Q2 2016	39,655	$5,742	$142.96	$136.65 - $148.03
Q1 2016	41,540	$5,893	$132.58	$123.55 - $143.40
Q4 2015	20,699	$2,733	$134.20	$127.46 - $138.62
Q3 2015	24,968	$3,256	$137.00	$125.50 - $144.69
Q2 2015	24,585	$3,346	$142.63	$136.08 - $148.57
Q1 2015	24,790	$3,577	$147.14	$142.50 - $151.69
Q4 2014	24,194	$3,633	$144.37	$132.03 - $152.94
Q3 2014	3,270	$452	$133.21	$122.72 - $142.45
Q2 2014	3,270	$414	$126.57	$121.09 - $129.73
Q1 2014	2,300	$287	$116.85	$108.12 - $125.91
Q4 2013	24,600	$2,917	$115.63	$110.84 - $118.66
Q3 2013	24,650	$2,798	$115.36	$110.72 - $119.30
Q2 2013	24,600	$2,753	$110.02	$102.69 - $115.98