BERKSHIRE HATHAWAY INC DEL

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

Cynosure Group, LLC's Holding History (CIK: 0001763409)

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

Q4 2025

Shares 917 Value ($000) $461 Avg Close $497.53 Range $473.15 - $516.85

Q3 2024

Shares 1,976 Value ($000) $909 Avg Close $442.18 Range $403.82 - $484.82

Q4 2023

Shares 7,764 Value ($000) $2,769 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 3,060 Value ($000) $1,072 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 8,196 Value ($000) $2,795 Avg Close $326.37 Range $307.07 - $342.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	917	$461	$497.53	$473.15 - $516.85
Q3 2024	1,976	$909	$442.18	$403.82 - $484.82
Q4 2023	7,764	$2,769	$350.99	$330.58 - $364.05
Q3 2023	3,060	$1,072	$354.77	$338.41 - $373.34
Q2 2023	8,196	$2,795	$326.37	$307.07 - $342.50