---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-285240"
form_type: "8-K"
ticker: "BRK-B"
cik: "0001067983"
company_name: "BERKSHIRE HATHAWAY INC"
filed_at: "2023-11-29T23:59:59+00:00"
generated_at: "2026-06-07T20:12:09.883020+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Berkshire Hathaway issues ¥122B in senior notes across five tranches

## Summary
- Issued ¥73.4B aggregate principal of 0.955% Senior Notes due 2026.
- Issued ¥17.1B of 1.194% notes due 2028 and ¥12.3B of 1.685% notes due 2033.
- Issued ¥4.0B of 2.240% notes due 2043 and ¥15.2B of 2.502% notes due 2058.
- Total aggregate principal amount approximately ¥122 billion across five maturities.
- Notes sold under underwriting agreement with Merrill Lynch and Mizuho Securities USA.

## SEC filing metadata
- accession: 0001193125-23-285240
- form_type: 8-K
- ticker: BRK-B
- cik: 0001067983
- company_name: BERKSHIRE HATHAWAY INC
- filed_at: 2023-11-29T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1067983/000119312523285240/0001193125-23-285240-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1067983/000119312523285240/d907061d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-285240
- JSON: https://secwatch.observer/filing/0001193125-23-285240.json
- Plain text: https://secwatch.observer/filing/0001193125-23-285240.txt

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