Berkshire Hathaway INC (BRK-B) SEC Filings — 2004 0 SEC filings for Berkshire Hathaway INC (BRK-B) in 2004. FilingsNo filings found for BRK-B in 2004. ExploreAll BRK-B Filings · BRK-B 2003 · BRK-B 2005 · All 2004 Filings