BERKSHIRE HATHAWAY INC DEL

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

Wernau Asset Management Inc.'s Holding History (CIK: 0002053236)

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

Q4 2025

Shares 14,468 Value ($000) $7,272 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 14,046 Value ($000) $7,062 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 14,504 Value ($000) $7,046 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 16,774 Value ($000) $8,934 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 16,796 Value ($000) $7,614 Avg Close $461.73 Range $437.90 - $491.67

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	14,468	$7,272	$497.53	$473.15 - $516.85
Q3 2025	14,046	$7,062	$484.36	$455.19 - $507.66
Q2 2025	14,504	$7,046	$507.86	$462.10 - $542.07
Q1 2025	16,774	$8,934	$486.15	$440.10 - $537.63
Q4 2024	16,796	$7,614	$461.73	$437.90 - $491.67