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BERKSHIRE HATHAWAY INC due diligence

Who BERKSHIRE HATHAWAY INC (BRK-B) is on the public record: identity, industry classification and the most recent periodic filings, straight from SEC EDGAR.

1001 filings in EDGAR's recent index, 274 of them Form 4 insider filings · view the filings on SEC EDGAR · source: SEC EDGAR submissions index
CIK
0001067983
Industry (SIC)
Fire, Marine & Casualty Insurance (6331)
Incorporated
DE
Listed on
NYSE, NYSE
Tickers
BRK-B, BRK-A
Fiscal year end
12-31
FilingFiledPeriodAccession
Annual report (10-K)2026-03-022025-12-310001193125-26-083899
Quarterly report (10-Q)2026-08-102026-06-300001193125-26-341032
Current report (8-K)2026-08-112026-08-080001193125-26-344495

The full due-diligence dossier on BERKSHIRE HATHAWAY INC

The free view above is identity and filing dates. The paid dossier reads the filings: business and segments, financial trend, insider and institutional activity, litigation and risk-factor themes, recent news, and the red flags, every claim cited and delivered with a data appendix.

agents: POST /v1/dossier with {"ticker":"BRK-B"} over x402 or MPP, $9

Sample output and API docs · all reports

BRK-B insider filingsAll company profiles13F fund holdingsAll reports

Generated from public SEC EDGAR filings. Filing data is shown as filed. This is information, not investment advice.