ActivistActivist / 5%+ stake disclosed (SCHEDULE 13D/A)
- Sector
- Financials
- Industry
- Fire, Marine & Casualty Insurance
- Exchange
- NYSE
- State of incorporation
- DE
- Form
- SCHEDULE 13D/A
- Filed
- November 12, 2025
Filings & documents
Every entry traces to SEC EDGAR. The Information Statement is the primary source; the links below open the full filing and each company's complete filing history.
Source filing ↗SCHEDULE 13D/A · the filing we parseAll documents in this filing ↗accession 0001193125-25-277436BERKSHIRE HATHAWAY INC — all SEC filings ↗EDGAR company pageBUFFETT WARREN E — 8-K announcements ↗where the spin-off was announcedBUFFETT WARREN E — all SEC filings ↗parent EDGAR company page