Berkshire Hathaway INC (BRK-B) SEC Filings — 2019 0 SEC filings for Berkshire Hathaway INC (BRK-B) in 2019. FilingsNo filings found for BRK-B in 2019. ExploreAll BRK-B Filings · BRK-B 2018 · BRK-B 2020 · All 2019 Filings