BERKSHIRE HATHAWAY INC (BRK-B) — research page
US · us-cm-kg/NYSE/BRK-B · as of 2026-11-08
Identity and listing
The issuer is BERKSHIRE HATHAWAY INC, listed on the NYSE under ticker BRK-B. The ISIN is not on the record; the LEI is 5493000C01ZX7D35SD85, and the LEI carries several US ISINs. The security type is Corporate, the segment is not on the record, the sector is 6331 Fire, Marine & Casualty Insurance, and the jurisdiction is United States, Delaware. The issuer is listed, not halted.
| field | value | source · read date |
|---|---|---|
| name | BERKSHIRE HATHAWAY INC | source · 2026-11-08 |
| exchange | NYSE | source · 2026-11-08 |
| ticker | BRK-B | source · 2026-11-08 |
| ISIN | not on the record | |
| LEI | 5493000C01ZX7D35SD85 | source · 2026-11-08 |
| security type | Corporate | source · 2026-11-08 |
| segment | not on the record | |
| sector | 6331 Fire, Marine & Casualty Insurance | source · 2026-11-08 |
| jurisdiction | United States — Delaware | source · 2026-11-08 |
| status | listed, not halted | source · 2026-11-08 |
The disclosure read
The record holds 92 filings in the window 2025-11-08 to 2026-11-08, across 56 filing days. The median gap between filing days is 4 days. The latest filing is dated 2026-11-03, 5 days before the record date of 2026-11-08, and is of type directors_dealings. By type, the window holds 3 agm_egm, 3 corporate_news, 2 director_change, 29 directors_dealings, 3 prospectus, 46 regulatory_filing and 6 results filings. On the NYSE, the median filings figure is 64.0, the median cadence gap is 6.0 days and the median latency is 4.0 days, across 3256 issuers. In the sector, the median filings figure is 80, the median cadence gap is 5.0 days and the median latency is 3 days, across 85 issuers. The issuer sits below the NYSE median on filings and above it on cadence gap and latency, and below the sector median on filings and above it on cadence gap and latency.
| filings | median gap between filing days | days from latest filing to as-of | |
|---|---|---|---|
| this issuer | 92 | 4 | 5 |
| exchange median: NYSE (3256 issuers) | 64 | 6 | 4 |
| sector median: 6331 Fire, Marine & Casualty Insurance (85 issuers) | 80 | 5 | 3 |
| date | type | category | filing |
|---|---|---|---|
| 2026-11-03 | directors_dealings | 4 | 4 — 4 |
| 2026-10-29 | directors_dealings | 4 | 4 — 4 |
| 2026-10-23 | directors_dealings | 4 | 4 — PRIMARY DOCUMENT |
| 2026-10-07 | regulatory_filing | SCHEDULE 13G/A | SCHEDULE 13G/A |
| 2026-10-05 | directors_dealings | 4 | 4 — 4 |
window 2025-11-08 to 2026-11-08 · the node's disclosure lines, as get_filings serves them
Auditor
The auditor is not on the record, because the latest annual report cover carries no dei:AuditorName tag. The auditor's location is not on the record. The record holds no auditor changes.
Events and halts
The record holds no listing, delisting or name change lines. The domicile change is not on the record, as EDGAR states no dated change of state of incorporation on a filing line. The segment move is not on the record, as the exchanges' tier transfers are not EDGAR filings. The halt flag reads listed, not halted.
Orderability
The outcome is not determinable, because the chapter's orderability section carries no client categories and so the outcome cannot name its client category. The rule version is acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, and the chapter is as of 2026-11-04.
rule acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1 · chapter as of 2026-11-04 · the full outcome: get_orderability
Coverage
No research houses were found on the investor-relations pages read. The count is 0.
Open research
No openly published research notes were found. The count is 0.
Licensed
Licensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded.
| licensor | entitlement | title | date | source |
|---|---|---|---|---|
| none loaded |
As-of depth
The vintage is sealed. The issuer's sealed years are 2021, 2022, 2023, 2024, 2025 and 2026. The market's earliest sealed date is 2021-01-04, and the live record began on 2026-09-12.
Sources
7 source pages are named on this page; every value above carries its own source page and read date in the numbers.
- 10.1
- https://www.sec.gov/files/company_tickers_exchange.json (identity.exchange)
- 10.2
- https://data.sec.gov/submissions/CIK0001067983.json (identity.jurisdiction)
- 10.3
- https://api.gleif.org/api/v1/lei-records/5493000C01ZX7D35SD85 (identity.lei)
- 10.4
- https://mcp.us-cm-kg.ai/events/NYSE/BRK-B (the disclosure lines)
- 10.5
- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)
- 10.6
- https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter)
- 10.7
- https://mcp.us-cm-kg.ai/record/NYSE/BRK-B (the record)
Read it by agent
The same page, signed and receipted: get_research at https://mcp.getresearch.ai/mcp with {"ticker":"BRK-B","exchange":"NYSE"}. Twins: .md · .json. Written: Claude through the platform account, Haiku class; one pass; checked against the numbers. Page hash sha256:e5d9265f3be5cc03.