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Filing Details

Accession Number:: 0001225208-10-002131
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2010-01-22 12:00:00
Reporting Period:: 2010-01-21

Filing Date:: 2010-01-22
Accepted Time:: 2010-01-22 16:22:12
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1067983	Berkshire Hathaway Inc	BRK.B	Fire, Marine & Casualty Insurance (6331)	470813844

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1166559	Trust Foundation Gates Melinda & Bill	1551 Eastlake Avenue E. Seattle WA 98102		No	No	Yes	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Class B Common Stock	Disposition	2010-01-21	8,000	$72.97	78,422,400	No	4	S	Direct
Class B Common Stock	Disposition	2010-01-21	14,600	$71.26	78,407,800	No	4	S	Direct
Class B Common Stock	Disposition	2010-01-21	23,000	$72.43	78,384,800	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct

Footnotes

The sales reported in this filing were made pursuant to Bill & Melinda Gates Foundation Trust's 10b5-1 sales plan to facilitate compliance with federal excise tax rules limiting excess business holdings by private foundations.
This transaction was executed in multiple trades at prices ranging from $72.86 to $73.09. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.
This transaction was executed in multiple trades at prices ranging from $70.82 to $71.66. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.
This transaction was executed in multiple trades at prices ranging from $71.86 to $72.84. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.
On January 20, 2010, the Class B stock of Berkshire Hathaway, Inc. split 50-for-1, resulting in the reporting person's ownership of 76,861,792 additional shares of Class B common stock.