Insider txns (12m)
3
Stock / equity
BRK.B BERKSHIRE HATHAWAY INC
- Company
- BERKSHIRE HATHAWAY INC
- Security
- Equity
- Size, estimated from filings
- Mega cap ($200B and up)
- Insiders on record
- 1
- Members of Congress
- 17
- Latest trade on record
- September 24, 2026
BRK.B (BERKSHIRE HATHAWAY INC) has 3 disclosed insider transactions from 1 insider in the last 12 months (3 open-market buys, 0 sales, about $250K at reported prices) and 34 congressional trades from 14 members of Congress. The most recent disclosure was filed October 14, 2026.
Open-market buys / sales
3 / 0
Congress trades (12m)
34
Distinct filers (12m)
15
Share price
Price and chart by TradingView for BERKSHIRE HATHAWAY INC. US share prices here are delayed, not real-time. The trade records on this page come from government filings, not from this chart.
BRK.B in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
BoughtSold
8 people account for the disclosed buying and selling in BRK.B over the last 12 months; the most active is Rep. Tina Smith with $500K.
Prices insiders traded at
What price did insiders buy and sell at? Each marker is one open-market trade at the share price reported on its Form 4.
▲ Bought▼ SoldAverage reported price that day
Insiders reported 3 open-market trades in BRK.B since Aug 12, 2026, at prices from $511 to $514; the most recent was a purchase at $511 on Aug 12, 2026. These are the prices on the filings, not adjusted for stock splits, and not a market price series.
Insiders trading BRK.B
Everyone who filed a Form 4 for this ticker, by number of rows on record. "Bought" and "sold" count open-market purchases (code P) and sales only; awards, option exercises and shares withheld for tax are in the row count but not in those two columns.
| Insider | Role | Rows | Bought | Sold | Value bought | Value sold | Latest |
|---|---|---|---|---|---|---|---|
| O'Sullivan Michael J. | See Remarks | 3 | 3 | 0 | $250K | — | August 12, 2026 |
Members of Congress trading BRK.B
Members whose periodic transaction reports name this ticker. Amounts are the sums of the ranges as filed. Showing 15 of 17.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| Jerry Moran | Senator (KS), Republican | 6 | 6 | 0 | $20K–$125K | June 23, 2026 |
| Gilbert Ray Cisneros, Jr. | Representative (CA, District 31), Democrat | 5 | 2 | 3 | $5,005–$75K | March 25, 2026 |
| Maria Elvira Salazar | Representative (FL, District 27), Republican | 4 | 3 | 1 | $18K–$95K | September 24, 2026 |
| Richard McCormick | Representative (GA, District 7), Republican | 3 | 3 | 0 | $3,003–$45K | September 18, 2026 |
| Christian D. Menefee | Representative (TX, District 18), Democrat | 3 | 0 | 3 | $31K–$115K | February 10, 2026 |
| Lisa C. McClain | Representative (MI, District 9), Republican | 3 | 1 | 2 | $3,003–$45K | October 31, 2025 |
| Josh Gottheimer | Representative (NJ, District 5), Democrat | 2 | 0 | 2 | $2,002–$30K | May 4, 2026 |
| Tina Smith | Senator (MN), Democrat | 2 | 0 | 2 | $200K–$500K | March 31, 2026 |
| Alan Armstrong | Senator (OK), Republican | 1 | 1 | 0 | $50K–$100K | March 27, 2026 |
| Mark Alford | Representative (MO, District 4), Republican | 1 | 0 | 1 | $1,001–$15K | March 16, 2026 |
| August Pfluger | Representative (TX, District 11), Republican | 1 | 1 | 0 | $15K–$50K | March 13, 2026 |
| Robert P. Bresnahan, Jr. | Representative (PA, District 8), Republican | 1 | 0 | 1 | $50K–$100K | November 19, 2025 |
| Markwayne Mullin | Senator (OK), Republican | 1 | 0 | 1 | $15K–$50K | November 3, 2025 |
| Marjorie Taylor Greene | Representative (GA, District 14), Republican | 1 | 1 | 0 | $1,001–$15K | October 24, 2025 |
| Eleanor Holmes Norton | Representative (DC, District 0), Democrat | 1 | 0 | 1 | $15K–$50K | October 14, 2025 |
Insider transactions
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| O'Sullivan Michael J. | Buy P | August 12, 2026 | August 13, 2026 | 1d | 43 | $514 | $22K | indirect | Form 4 ↗ | |
| O'Sullivan Michael J. | Buy P | August 12, 2026 | August 13, 2026 | 1d | 400 | $513 | $205K | indirect | Form 4 ↗ | |
| O'Sullivan Michael J. | Buy P | August 12, 2026 | August 13, 2026 | 1d | 45 | $511 | $23K | indirect | Form 4 ↗ |
Congressional trades
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| Richard McCormick | Buy | September 18, 2026 | October 14, 2026 | 26d | — | — | $1,001–$15K | House PTR ↗ | ||
| Maria Elvira Salazar | Sell | September 24, 2026 | October 7, 2026 | 13d | — | — | $1,001–$15K | House PTR ↗ | ||
| Maria Elvira Salazar | Buy | August 7, 2026 | September 9, 2026 | 33d | — | — | $1,001–$15K | House PTR ↗ | ||
| Richard McCormick | Buy | July 30, 2026 | August 14, 2026 | 15d | — | — | $1,001–$15K | House PTR ↗ | ||
| Maria Elvira Salazar | Buy | July 28, 2026 | August 7, 2026 | 10d | — | — | $15K–$50K | House PTR ↗ | ||
| Maria Elvira Salazar | Buy | July 28, 2026 | August 7, 2026 | 10d | — | — | $1,001–$15K | House PTR ↗ | ||
| Alan Armstrong | Buy | March 27, 2026 | July 21, 2026 | 116d | — | — | $50K–$100K | late | Senate PTR ↗ | |
| Jerry Moran | Buy | June 23, 2026 | July 21, 2026 | 28d | — | — | $15K–$50K | Senate PTR ↗ | ||
| Jerry Moran | Buy | May 27, 2026 | June 25, 2026 | 29d | — | — | $1,001–$15K | Senate PTR ↗ | ||
| Jerry Moran | Buy | May 27, 2026 | June 25, 2026 | 29d | — | — | $1,001–$15K | Senate PTR ↗ | ||
| Jerry Moran | Buy | May 27, 2026 | June 25, 2026 | 29d | — | — | $1,001–$15K | spouse | Senate PTR ↗ | |
| Jerry Moran | Buy | May 27, 2026 | June 25, 2026 | 29d | — | — | $1,001–$15K | spouse | Senate PTR ↗ | |
| Josh Gottheimer | Sell | May 4, 2026 | June 3, 2026 | 30d | — | — | $1,001–$15K | joint | House PTR ↗ | |
| Josh Gottheimer | Sell | May 4, 2026 | June 3, 2026 | 30d | — | — | $1,001–$15K | joint | House PTR ↗ | |
| Christian D. Menefee | Sell | February 10, 2026 | June 1, 2026 | 111d | — | — | $15K–$50K | latejoint | House PTR ↗ | |
| Christian D. Menefee | Sell | February 10, 2026 | June 1, 2026 | 111d | — | — | $15K–$50K | latespouse | House PTR ↗ | |
| Christian D. Menefee | Sell | February 10, 2026 | June 1, 2026 | 111d | — | — | $1,001–$15K | latejoint | House PTR ↗ | |
| August Pfluger | Buy | March 13, 2026 | April 15, 2026 | 33d | — | — | $15K–$50K | House PTR ↗ | ||
| Gilbert Ray Cisneros, Jr. | Sell | March 16, 2026 | April 7, 2026 | 22d | — | — | $1,001–$15K | House PTR ↗ | ||
| Gilbert Ray Cisneros, Jr. | Sell | March 25, 2026 | April 7, 2026 | 13d | — | — | $1,001–$15K | House PTR ↗ | ||
| Tina Smith | Sell | March 31, 2026 | April 2, 2026 | 2d | — | — | $100K–$250K | spouse | Senate PTR ↗ | |
| Mark Alford | Sell | March 16, 2026 | March 31, 2026 | 15d | — | — | $1,001–$15K | House PTR ↗ | ||
| Tina Smith | Sell | January 27, 2026 | January 30, 2026 | 3d | — | — | $100K–$250K | spouse | Senate PTR ↗ | |
| Gilbert Ray Cisneros, Jr. | Sell | December 24, 2025 | January 12, 2026 | 19d | — | — | $1,001–$15K | House PTR ↗ | ||
| Robert P. Bresnahan, Jr. | Sell | November 19, 2025 | December 19, 2025 | 30d | — | — | $50K–$100K | House PTR ↗ | ||
| Gilbert Ray Cisneros, Jr. | Buy | November 18, 2025 | December 15, 2025 | 27d | — | — | $1,001–$15K | House PTR ↗ | ||
| Richard McCormick | Buy | November 5, 2025 | December 9, 2025 | 34d | — | — | $1,001–$15K | House PTR ↗ | ||
| Markwayne Mullin | Sell | November 3, 2025 | November 21, 2025 | 18d | — | — | $15K–$50K | joint | Senate PTR ↗ | |
| Lisa C. McClain | Buy | October 30, 2025 | November 21, 2025 | 22d | — | — | $1,001–$15K | spouse | House PTR ↗ | |
| Lisa C. McClain | Sell | October 30, 2025 | November 21, 2025 | 22d | — | — | $1,001–$15K | spouse | House PTR ↗ | |
| Lisa C. McClain | Sell | October 31, 2025 | November 21, 2025 | 21d | — | — | $1,001–$15K | spouse | House PTR ↗ | |
| Gilbert Ray Cisneros, Jr. | Buy | October 17, 2025 | November 18, 2025 | 32d | — | — | $1,001–$15K | House PTR ↗ | ||
| Marjorie Taylor Greene | Buy | October 24, 2025 | October 28, 2025 | 4d | — | — | $1,001–$15K | House PTR ↗ | ||
| Jerry Moran | Buy | September 23, 2025 | October 27, 2025 | 34d | — | — | $1,001–$15K | Senate PTR ↗ | ||
| Eleanor Holmes Norton | Sell | October 14, 2025 | October 21, 2025 | 7d | — | — | $15K–$50K | House PTR ↗ | ||
| Val T. Hoyle | Sell | September 23, 2025 | October 10, 2025 | 17d | — | — | $1,001–$15K | spouse | House PTR ↗ | |
| Sheri Biggs | Sell | March 18, 2025 | October 5, 2025 | 201d | — | — | $15K–$50K | latespouse | House PTR ↗ |
Related stocks
Tickers traded by the same people who traded BRK.B, by number of filers in common. It shows overlap in public filings and nothing else.
- MSFT Microsoft Corporation - Common Stock 10 filers in common
- AAPL Apple Inc. - Common Stock 8 filers in common
- UNH UnitedHealth Group Incorporated Common Stock 8 filers in common
- AMZN Amazon.com, Inc. - Common Stock 7 filers in common
- META Meta Platforms, Inc. - Class A Common Stock 6 filers in common
- CVX Chevron Corporation Common Stock 6 filers in common
- CSCO Cisco Systems, Inc. - Common Stock 6 filers in common
- MRK Merck & Company, Inc. Common Stock 6 filers in common
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- How to read a congressional trade report Owner tells you whose asset it was: the member, the spouse, a dependent child, or held jointly.
- Why congressional trade amounts are ranges There are ten ranges; the lowest is $1,001–$15,000 and the highest is over $50,000,000.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 20 | 27 | October 5, 2025 | October 14, 2026 | House Clerk search |
| Senate eFD, periodic transaction reports | 7 | 10 | October 27, 2025 | July 21, 2026 | Senate eFD search |
| SEC EDGAR, Form 4 | 1 | 3 | August 13, 2026 | August 13, 2026 | Form 4 list on EDGAR |
Site built October 27, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insider rows are Form 4 filings for this issuer from SEC EDGAR; congressional rows are periodic transaction reports parsed from the House Clerk and the Senate eFD. Values use the reported price for Form 4 and the disclosed range for Congress. See methodology and corrections.
Not investment advice. Disclosures are shown as filed and may lag the trade or be amended. No recommendation is made or implied.