Berkshire Hathaway INC (BRK-B) SEC Filings — 2023 0 SEC filings for Berkshire Hathaway INC (BRK-B) in 2023. FilingsNo filings found for BRK-B in 2023. ExploreAll BRK-B Filings · BRK-B 2022 · BRK-B 2024 · All 2023 Filings