BERKSHIRE HATHAWAY INC DEL

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

Castellan Group's Holding History (CIK: 0001832521)

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

Q4 2025

Shares 6,073 Value ($000) $3,053 Avg Close $497.53 Range $473.15 - $516.85

Q4 2021

Shares 675 Value ($000) $202 Avg Close $286.41 Range $272.22 - $301.65

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,073	$3,053	$497.53	$473.15 - $516.85
Q4 2021	675	$202	$286.41	$272.22 - $301.65