{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-108422","form_type":"8-K","ticker":"BRK-B","cik":"0001067983","company_name":"BERKSHIRE HATHAWAY INC","filed_at":"2023-04-20T23:59:59+00:00","discovered_at":"2026-05-14T18:03:37.840271+00:00","generated_at":"2026-06-16T22:08:09.965697+00:00","sec_items":["8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Berkshire Hathaway issues ¥164.4B in multi-tranche senior notes due 2026-2053","bullets":["Issued ¥93.9B of 0.907% notes due 2026, ¥57.7B of 1.135% notes due 2028, and ¥5.6B of 1.348% notes due 2030.","Also issued ¥4.2B of 1.592% notes due 2033 and ¥3.0B of 2.325% notes due 2053.","Underwriting joint lead managed by Merrill Lynch International and Mizuho Securities USA LLC.","Notes issued under existing indenture and registration statement on Form S-3."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-108422","json":"https://secwatch.observer/filing/0001193125-23-108422.json","markdown":"https://secwatch.observer/filing/0001193125-23-108422.md","text":"https://secwatch.observer/filing/0001193125-23-108422.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1067983/000119312523108422/0001193125-23-108422-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1067983/000119312523108422/d840535d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-16T22:08:09.965697+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}