BERKSHIRE HATHAWAY INC DEL

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

Trademark Financial Management, LLC's Holding History (CIK: 0002011736)

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

Q4 2025

Shares 401 Value ($000) $202 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 412 Value ($000) $207 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 418 Value ($000) $203 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 453 Value ($000) $241 Avg Close $486.15 Range $440.10 - $537.63

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	401	$202	$497.53	$473.15 - $516.85
Q3 2025	412	$207	$484.36	$455.19 - $507.66
Q2 2025	418	$203	$507.86	$462.10 - $542.07
Q1 2025	453	$241	$486.15	$440.10 - $537.63