---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-290864"
form_type: "8-K"
ticker: "BRK-B"
cik: "0001067983"
company_name: "BERKSHIRE HATHAWAY INC"
filed_at: "2025-11-21T23:59:59+00:00"
generated_at: "2026-05-16T17:31:58.517671+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Berkshire issues ¥210.1B of senior notes: 1.510%-2.810% due 2028-2040

## Summary
- Issued ¥123.7B of 1.510% notes due 2028, ¥53.3B of 1.826% due 2030, ¥26.1B of 2.422% due 2035, ¥7.0B of 2.810% due 2040.
- Total aggregate principal amount approximately ¥210.1 billion (~$1.4B USD equivalent).
- Notes issued under S-3 registration statement; underwriters Mizuho Securities USA and Merrill Lynch International.
- Proceeds for general corporate purposes (not specified in filing).

## SEC filing metadata
- accession: 0001193125-25-290864
- form_type: 8-K
- ticker: BRK-B
- cik: 0001067983
- company_name: BERKSHIRE HATHAWAY INC
- filed_at: 2025-11-21T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1067983/000119312525290864/0001193125-25-290864-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1067983/000119312525290864/d45429d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-290864
- JSON: https://secwatch.observer/filing/0001193125-25-290864.json
- Plain text: https://secwatch.observer/filing/0001193125-25-290864.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.