BERKSHIRE HATHAWAY INC DEL

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

DMKC Advisory Services, LLC's Holding History (CIK: 0001901337)

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

Q4 2025

Shares 1,835 Value ($000) $922 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 1,838 Value ($000) $924 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 2,072 Value ($000) $981 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 808 Value ($000) $430 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 993 Value ($000) $450 Avg Close $461.73 Range $437.90 - $491.67

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,835	$922	$497.53	$473.15 - $516.85
Q3 2025	1,838	$924	$484.36	$455.19 - $507.66
Q2 2025	2,072	$981	$507.86	$462.10 - $542.07
Q1 2025	808	$430	$486.15	$440.10 - $537.63
Q4 2024	993	$450	$461.73	$437.90 - $491.67