Volatility & expected moveBRK.B
IV rank 38.8; near-term expected move 0.6%
Observation time unavailableDelayed public market snapshot
BERKSHIRE HATHAWAY Class B (BRK.B) stock intelligence
Review delayed market context, an evidence-bound AI research preview, and limited public observations before opening the full workspace.
What is happening with BRK.B?
As of Oct 13, 2026, the approved delayed quote for BRK.B was $520.86, up 0.63% for the reported session.
The public snapshot contains 0 options contract observations, 2 politician disclosures, and 2 insider transactions.
No approved qualifying options observations were present in this snapshot; that does not establish that no underlying activity occurred.
Across the cached 30-day context, the backend counted 0 options observations, 0 politician disclosures, 0 open-market insider purchases, and 0 open-market insider sales.
- 30-day options observations
- 0
- 30-day politician filings
- 0
- 30-day insider purchases
- 0
- 30-day insider sales
- 0
- Institutional increases
- 0
- Institutional decreases
- 0
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What should I know about BRK.B today?
AI research preview
BERKSHIRE HATHAWAY Class B (BRK.B) last public quote 520.86 (+0.63%). Public politician-trade preview includes 2 disclosure(s). Public insider-trade preview includes 2 open-market filing(s). Public dark-pool preview includes 2 delayed print(s). Prints do not identify buy or sell intent.
- BERKSHIRE HATHAWAY Class B (BRK.B) last public quote 520.86 (+0.63%).
- Public politician-trade preview includes 2 disclosure(s).
Cross-signal context
BRK.B market-intelligence summary
Approved aggregate observations from volatility, positioning, and derivatives modules. These summaries describe current evidence rather than making a recommendation.
Gamma exposureBRK.B
net GEX positive; gamma flip near 518.62
Market data as of Oct 12, 8:15 PM UTCDirectional Greek flowBRK.B
Directional delta flow positive
Market data as of Oct 12, 1:30 PM UTCDelayed aggregate context · Read data and methodology notes
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BRK.B options activity
Two approved contract observations are visible. Premium, volume, open interest, and execution tags remain private.
No approved options activity previewNo approved qualifying options observations were present in this snapshot; that does not establish that no underlying activity occurred. Snapshot date: Oct 13, 2026.
Delayed public preview · Observation time unavailable · Read methodology
Free preview
BRK.B politician trade disclosures
A small public preview of available transaction filings, with delayed filing context.
BRKBDonald J Trump
SELL- Transaction date
- Aug 28, 2026
- Filed date
- Sep 22, 2026
- Disclosure
- Public filing
BRKBDonald J Trump
SELL- Transaction date
- Aug 24, 2026
- Filed date
- Sep 22, 2026
- Disclosure
- Public filing
Public disclosure · Market data as of Sep 22, 12:00 AM UTC · Read methodology
Free preview
BRK.B insider transactions
Approved insider filing observations show action and filing timing without exposing restricted value or ownership fields.
BRK.BO'SULLIVAN MICHAEL J.
BUY- Transaction date
- May 6, 2026
- Filed date
- May 6, 2026
- Record type
- Insider filing
BRK.BO'SULLIVAN MICHAEL J.
BUY- Transaction date
- May 6, 2026
- Filed date
- May 6, 2026
- Record type
- Insider filing
Public disclosure · Market data as of May 6, 12:00 AM UTC · Read methodology
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BRK.B dark-pool prints
Two approved off-exchange observations are visible when the public rights-aware projection supplies them. A print is context, not proof of direction.
Off-exchange printBRK.B
PRINT- Reported price
- $517.60
- Reported shares
- 16,720
- Observed
- Updated Oct 12, 9:30 PM UTC
Off-exchange printBRK.B
PRINT- Reported price
- $517.60
- Reported shares
- 2,426
- Observed
- Updated Oct 12, 9:27 PM UTC
Delayed public preview · Market data as of Oct 12, 9:30 PM UTC · Read methodology
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Politician trades involving BRK.BTransaction and filing dates in contextBRK.B insider transactionsIssuer-related activity and filing contextHow to read unusual options flowSeparate contract activity from a directional conclusionHow to interpret institutional filingsUnderstand the delay, scope, and limits of 13F dataData sources and freshnessUnderstand provenance, delays, and public-field limits
Common questions about BRK.B
What does the BRK.B stock intelligence page show?
As of Oct 13, 2026, the approved delayed quote for BRK.B was $520.86, up 0.63% for the reported session. It combines the approved delayed quote with a limited public research snapshot and an evidence-bound AI summary.
Is unusual options or filing activity available for BRK.B?
The current BRK.B public snapshot contains 0 options observations and 4 public filing observations. Only approved preview fields are published.
Is the BRK.B page financial advice?
No. The BRK.B page provides delayed market information and research context, not personalized investment advice, recommendations, or guaranteed outcomes.
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Data notes and limitations
- This is a delayed public preview, not investment advice.
- Options activity does not prove future price direction.
- Politician disclosures can lag the transaction date.
- Insider filings can lag the transaction date and exclude non-open-market codes.
- Dark-pool prints do not confirm initiating side or investment intent.
- Institutional rows are delayed 13F ownership changes, not live whale trades.
Market data may be delayed and incomplete. This page is informational and is not investment advice. Public records can be amended after their original filing. Questions or corrections can be sent to our corrections channel.