Company · BRK.B
Berkshire Hathaway Inc.
Name as listed on its exchange; filed with the SEC as BERKSHIRE HATHAWAY INC.
Nasdaq's symbol directory lists BRK.B on the New York Stock Exchange as “Berkshire Hathaway Inc. New Common Stock”.
In the 12 months to Nov 8, 2026: insiders bought on 1 occasion ($250K); 13 congressional trade disclosures.
Appeared in No. 30
Insider trades · SEC Form 4
Those inside the hall
Open-market purchases and sales only. Legs one person filed for one day are combined.
Who traded
- Michael J. O'Sullivan, Senior Vice President, General Counsel and Secretary bought $250K
Every trade (1)
- BUYMichael J. O'Sullivan, Senior Vice President, General Counsel and Secretary bought $250K
Congress · STOCK Act
The Althing
Periodic transaction reports. Amounts are the ranges members report; the trade date is when it happened, the report can come up to 45 days later.
- Jerry Moran (R-KS): Purchase $15,001 - $50,000
- Jerry Moran (R-KS): Purchase $1,001 - $15,000
- Jerry Moran (R-KS): Purchase $1,001 - $15,000
- Jerry Moran (R-KS): Purchase $1,001 - $15,000
- Jerry Moran (R-KS): Purchase $1,001 - $15,000
- Josh Gottheimer (D-NJ): Sale $1,001 - $15,000
- Tina Smith (D-MN): Sale (Full) $100,001 - $250,000
- Alan Armstrong (R-OK): Purchase $50,001 - $100,000
- Gilbert Cisneros (D-CA): Sale $1,001 - $15,000
- Gilbert Cisneros (D-CA): Sale $1,001 - $15,000
- Mark Alford (R-MO): Sale $1,001 - $15,000
- August Lee Pfluger Ii (R-TX): Purchase $15,001 - $50,000
- Tina Smith (D-MN): Sale (Partial) $100,001 - $250,000
Sources: SEC EDGAR (Forms 4 and 144) and STOCK Act periodic transaction reports. Filings can be late, amended or wrong at the source; see methodology.