{"cik":"0001067983","ticker":"BRK-B","name":"BERKSHIRE HATHAWAY INC","sic_code":"6331","sic_description":"Fire, Marine & Casualty Insurance","exchange":"NYSE","state_of_incorporation":"DE","fiscal_year_end":"1231","first_filing_date":"2026-05-15","last_filing_date":"2026-08-11","url":"/sec/cik-0001067983","insider_summary":{"total_transactions":17,"unique_insiders":5,"latest_transaction":"2026-08-12"},"recent_filings":[{"accession_number":"0001193125-26-417254","form_type":"SCHEDULE 13G/A","form_type_family":"other","doc_date":"2026-10-07","title":"SCHEDULE 13G/A — BERKSHIRE HATHAWAY INC — 2026-10-07","url_slug":"/sec/cik-0001067983/schedule-13g-a/0001193125-26-417254","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-417254-index.html"},{"accession_number":"0001193125-26-414744","form_type":"4","form_type_family":"insider","doc_date":"2026-10-05","title":"4 — BERKSHIRE HATHAWAY INC — 2026-10-05","url_slug":"/sec/cik-0001067983/4/0001193125-26-414744","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-414744-index.html"},{"accession_number":"0001193125-26-409451","form_type":"4","form_type_family":"insider","doc_date":"2026-09-30","title":"4 — BERKSHIRE HATHAWAY INC — 2026-09-30","url_slug":"/sec/cik-0001067983/4/0001193125-26-409451","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-409451-index.html"},{"accession_number":"0001728451-26-000004","form_type":"4","form_type_family":"insider","doc_date":"2026-09-29","title":"4 — BERKSHIRE HATHAWAY INC — 2026-09-29","url_slug":"/sec/cik-0001067983/4/0001728451-26-000004","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001728451-26-000004-index.html"},{"accession_number":"0001193125-26-402798","form_type":"SD","form_type_family":"other","doc_date":"2026-09-25","title":"SD — BERKSHIRE HATHAWAY INC — 2026-09-25","url_slug":"/sec/cik-0001067983/sd/0001193125-26-402798","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-402798-index.html"},{"accession_number":"0001193125-26-403089","form_type":"4","form_type_family":"insider","doc_date":"2026-09-25","title":"4 — BERKSHIRE HATHAWAY INC — 2026-09-25","url_slug":"/sec/cik-0001067983/4/0001193125-26-403089","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-403089-index.html"},{"accession_number":"0001193125-26-397059","form_type":"4","form_type_family":"insider","doc_date":"2026-09-21","title":"4 — BERKSHIRE HATHAWAY INC — 2026-09-21","url_slug":"/sec/cik-0001067983/4/0001193125-26-397059","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-397059-index.html"},{"accession_number":"0001193125-26-397052","form_type":"3","form_type_family":"insider","doc_date":"2026-09-21","title":"3 — BERKSHIRE HATHAWAY INC — 2026-09-21","url_slug":"/sec/cik-0001067983/3/0001193125-26-397052","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-397052-index.html"},{"accession_number":"0001728451-26-000003","form_type":"4","form_type_family":"insider","doc_date":"2026-09-04","title":"4 — BERKSHIRE HATHAWAY INC — 2026-09-04","url_slug":"/sec/cik-0001067983/4/0001728451-26-000003","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001728451-26-000003-index.html"},{"accession_number":"0001193125-26-352904","form_type":"SCHEDULE 13G","form_type_family":"other","doc_date":"2026-08-14","title":"SCHEDULE 13G — BERKSHIRE HATHAWAY INC — 2026-08-14","url_slug":"/sec/cik-0001067983/schedule-13g/0001193125-26-352904","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-352904-index.html"},{"accession_number":"0001193125-26-352910","form_type":"SCHEDULE 13G/A","form_type_family":"other","doc_date":"2026-08-14","title":"SCHEDULE 13G/A — BERKSHIRE HATHAWAY INC — 2026-08-14","url_slug":"/sec/cik-0001067983/schedule-13g-a/0001193125-26-352910","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-352910-index.html"},{"accession_number":"0001193125-26-352200","form_type":"13F-HR","form_type_family":"holdings","doc_date":"2026-08-14","title":"13F-HR — BERKSHIRE HATHAWAY INC — 2026-08-14","url_slug":"/sec/cik-0001067983/13f-hr/0001193125-26-352200","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-352200-index.html"},{"accession_number":"0001193125-26-349574","form_type":"4","form_type_family":"insider","doc_date":"2026-08-13","title":"4 — BERKSHIRE HATHAWAY INC — 2026-08-13","url_slug":"/sec/cik-0001067983/4/0001193125-26-349574","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-349574-index.html"},{"accession_number":"0001193125-26-349555","form_type":"4","form_type_family":"insider","doc_date":"2026-08-13","title":"4 — BERKSHIRE HATHAWAY INC — 2026-08-13","url_slug":"/sec/cik-0001067983/4/0001193125-26-349555","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-349555-index.html"},{"accession_number":"0001193125-26-344495","form_type":"8-K","form_type_family":"current","doc_date":"2026-08-11","title":"8-K — BERKSHIRE HATHAWAY INC — 2026-08-11","url_slug":"/sec/cik-0001067983/8-k/0001193125-26-344495","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-344495-index.html"},{"accession_number":"0001193125-26-341032","form_type":"10-Q","form_type_family":"quarterly","doc_date":"2026-08-10","title":"10-Q — BERKSHIRE HATHAWAY INC — 2026-08-10","url_slug":"/sec/cik-0001067983/10-q/0001193125-26-341032","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-341032-index.html"},{"accession_number":"0001193125-26-333151","form_type":"4","form_type_family":"insider","doc_date":"2026-08-04","title":"4 — BERKSHIRE HATHAWAY INC — 2026-08-04","url_slug":"/sec/cik-0001067983/4/0001193125-26-333151","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-333151-index.html"},{"accession_number":"0001193125-26-304838","form_type":"SCHEDULE 13D/A","form_type_family":"other","doc_date":"2026-07-15","title":"SCHEDULE 13D/A — BERKSHIRE HATHAWAY INC — 2026-07-15","url_slug":"/sec/cik-0001067983/schedule-13d-a/0001193125-26-304838","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-304838-index.html"},{"accession_number":"0001193125-26-304843","form_type":"4","form_type_family":"insider","doc_date":"2026-07-15","title":"4 — BERKSHIRE HATHAWAY INC — 2026-07-15","url_slug":"/sec/cik-0001067983/4/0001193125-26-304843","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-304843-index.html"},{"accession_number":"0001728451-26-000002","form_type":"4","form_type_family":"insider","doc_date":"2026-07-02","title":"4 — BERKSHIRE HATHAWAY INC — 2026-07-02","url_slug":"/sec/cik-0001067983/4/0001728451-26-000002","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001728451-26-000002-index.html"},{"accession_number":"0001193125-26-282257","form_type":"11-K","form_type_family":"other","doc_date":"2026-06-25","title":"11-K — BERKSHIRE HATHAWAY INC — 2026-06-25","url_slug":"/sec/cik-0001067983/11-k/0001193125-26-282257","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-282257-index.html"},{"accession_number":"0001193125-26-277638","form_type":"S-8 POS","form_type_family":"other","doc_date":"2026-06-22","title":"S-8 POS — BERKSHIRE HATHAWAY INC — 2026-06-22","url_slug":"/sec/cik-0001067983/s-8-pos/0001193125-26-277638","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-277638-index.html"},{"accession_number":"0001193125-26-277630","form_type":"S-8 POS","form_type_family":"other","doc_date":"2026-06-22","title":"S-8 POS — BERKSHIRE HATHAWAY INC — 2026-06-22","url_slug":"/sec/cik-0001067983/s-8-pos/0001193125-26-277630","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-277630-index.html"},{"accession_number":"0001193125-26-277626","form_type":"S-8 POS","form_type_family":"other","doc_date":"2026-06-22","title":"S-8 POS — BERKSHIRE HATHAWAY INC — 2026-06-22","url_slug":"/sec/cik-0001067983/s-8-pos/0001193125-26-277626","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-277626-index.html"},{"accession_number":"0001193125-26-276128","form_type":"11-K","form_type_family":"other","doc_date":"2026-06-18","title":"11-K — BERKSHIRE HATHAWAY INC — 2026-06-18","url_slug":"/sec/cik-0001067983/11-k/0001193125-26-276128","edgar_url":"https://www.sec.gov/Archives/edgar/data/1067983/0001193125-26-276128-index.html"}],"related_endpoints":{"profile":"/sec/BRK-B/profile","timeline":"/sec/BRK-B/timeline","peers":"/sec/BRK-B/peers","insider_pulse":"/sec/BRK-B/insider-pulse","insider_summary":"/sec/BRK-B/insider-summary","insider_transactions":"/sec/BRK-B/insider-transactions","form144":"/sec/BRK-B/form144","holdings_as_filer":"/sec/BRK-B/holdings","financial_facts":"/sec/BRK-B/financial-facts","derivatives":"/sec/BRK-B/derivatives","officers":"/sec/BRK-B/officers","insider_network":"/sec/BRK-B/insider-network","risk_flags":"/sec/BRK-B/risk-flags","filings":"/sec/BRK-B/filings","cross_topic_dossier":"/api/v1/dossier?ticker=BRK-B"}}