FORM 8-K

Company

BERKSHIRE HATHAWAY INC

Filed

March 23, 2012

Period of Report

March 20, 2012

Accession Number

0001193125-12-129907

An 8-K is a current report used to announce material events that shareholders should know about — such as earnings releases, mergers, executive changes, or bankruptcy. Learn more about 8-K filings →