BERKSHIRE HATHAWAY INC — Director's Dealing 2012

Jan 10, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BERKSHIRE HATHAWAY INC (BRK.A)
CIK: 0001067983
Period of Report: 2011-12-28

Reporting Person: MUNGER CHARLES T (Director, Vice Chairman)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-12-28	Class A Common Stock	$	G	10	Disposed		See footnote 1 ()	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class B Common Stock	750	Direct

Footnotes

F1: Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. In accordance with the instructions to Form 4, my holdings of, and transactions in, shares of Class A Common Stock are reported in Table II.

F2: On December 28, 2011, I donated 10 shares of Class A Common Stock to the Regents of the University of Michigan.

F3: Not applicable.