BERKSHIRE HATHAWAY INC DEL

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

SIERRA OCEAN, LLC's Holding History (CIK: 0002051715)

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

Q4 2025

Shares 2,807 Value ($000) $1,411 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 3,053 Value ($000) $1,535 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 3,011 Value ($000) $1,463 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 3,348 Value ($000) $1,783 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 2,764 Value ($000) $1,253 Avg Close $461.73 Range $437.90 - $491.67

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,807	$1,411	$497.53	$473.15 - $516.85
Q3 2025	3,053	$1,535	$484.36	$455.19 - $507.66
Q2 2025	3,011	$1,463	$507.86	$462.10 - $542.07
Q1 2025	3,348	$1,783	$486.15	$440.10 - $537.63
Q4 2024	2,764	$1,253	$461.73	$437.90 - $491.67