BERKSHIRE HATHAWAY INC DEL

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

Cornerstone Planning, LLC's Holding History (CIK: 0001802105)

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

Q4 2025

Shares 7,747 Value ($000) $3,863 Avg Close $497.53 Range $473.15 - $516.85

Q4 2024

Shares 4,854 Value ($000) $2,200 Avg Close $461.73 Range $437.90 - $491.67

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,747	$3,863	$497.53	$473.15 - $516.85
Q4 2024	4,854	$2,200	$461.73	$437.90 - $491.67