8-K
filed December 11, 2025, 6:59 PM ET
ticker BRK-B
CIK 0001067983
leadership
confidence high
sentiment neutral
materiality 0.70
Berkshire Hathaway names new CFO, GEICO CEO, and other leadership changes
BERKSHIRE HATHAWAY INC
- Marc D. Hamburg to retire as CFO on June 1, 2027; Charles C. Chang succeeds as SVP & CFO effective June 1, 2026.
- Nancy L. Pierce appointed CEO of GEICO effective immediately; Todd A. Combs resigns to join JPMorgan Chase.
- Adam M. Johnson named President of Consumer Products, Service and Retailing, effective immediately, while remaining NetJets CEO.
- Michael J. O'Sullivan appointed SVP and General Counsel effective January 1, 2026, a newly created position.
- Gregory E. Abel to become President and CEO on January 1, 2026, as previously announced.
Machine-readable event card
- schema_version
- secwatch.filing_event.v1
- accession
- 0001193125-25-314935
- form_type
- 8-K
- ticker
- BRK-B
- cik
- 0001067983
- company_name
- BERKSHIRE HATHAWAY INC
- filed_at
- 2025-12-11T23:59:59+00:00
- discovered_at
- 2026-05-14T18:02:38.708916+00:00
- generated_at
- 2026-05-16T13:27:49.064479+00:00
- sec_items
- ["5.02", "9.01"]
- event_type
- leadership
- sentiment
- neutral
- materiality_score
- 0.7
- calibrated_materiality_score
- 0.7
- confidence
- high
- secwatch_canonical_url
- https://secwatch.observer/filing/0001193125-25-314935
- json_url
- https://secwatch.observer/filing/0001193125-25-314935.json
- markdown_url
- https://secwatch.observer/filing/0001193125-25-314935.md
- text_url
- https://secwatch.observer/filing/0001193125-25-314935.txt
- edgar_index_url
- https://www.sec.gov/Archives/edgar/data/1067983/000119312525314935/0001193125-25-314935-index.htm
- edgar_primary_document_url
- https://www.sec.gov/Archives/edgar/data/1067983/000119312525314935/d10933d8k.htm
- generated_by_model
- deepseek-v4-flash:cloud@v2
- review_status
- machine_generated
- human_reviewed
- false
- corrected
- false
- correction_note
- null
- correction_timestamp
- null
- superseded_by
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