Insider txns (12m)
16
Stock / equity
BRK.A BERKSHIRE HATHAWAY INC
- Company
- BERKSHIRE HATHAWAY INC
- Security
- Equity
- Size, estimated from filings
- Mega cap ($200B and up)
- Insiders on record
- 3
- Latest trade on record
- September 28, 2026
BRK.A (BERKSHIRE HATHAWAY INC) has 16 disclosed insider transactions from 3 insiders in the last 12 months (2 open-market buys, 1 sale, about $21.5M at reported prices) and 0 congressional trades from 0 members of Congress. The most recent disclosure was filed September 29, 2026.
Open-market buys / sales
2 / 1
Congress trades (12m)
0
Distinct filers (12m)
3
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.A in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
BoughtSold
1 person accounts for the disclosed buying and selling in BRK.A over the last 12 months; the most active is Jain Ajit with $20M.
Insider holdings over time
Is an insider building or unwinding a position? Shares held directly after each filing.
Jain AjitBUFFETT WARREN E
Jain Ajit reported 67,608 shares held after the latest filing, against 327 at the first on record.
Insiders trading BRK.A
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 |
|---|---|---|---|---|---|---|---|
| BUFFETT WARREN E | Director | 11 | 0 | 0 | — | — | July 14, 2026 |
| Jain Ajit | Vice Chairman | 3 | 0 | 1 | — | $20.0M | September 28, 2026 |
| Chang Charles C | See Remarks | 2 | 0 | 0 | — | — | August 12, 2026 |
What kind of transactions these are 4 Form 4 codes
| Code | Meaning | Rows | Shares | Value at reported prices |
|---|---|---|---|---|
| G | Gift | 9 | 12,037,465 | — |
| C | Conversion of a derivative | 4 | 12,045,525 | — |
| P | Open-market purchase | 2 | 2 | $1.5M |
| S | Open-market sale | 1 | 39,700 | $20.0M |
What each code means: Form 4 transaction codes.
Insider transactions
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| Jain Ajit | Sell S | September 28, 2026 | September 29, 2026 | 1d | 39,700 | $503 | $20.0M | indirect | Form 4 ↗ | |
| Jain Ajit | Other G | September 3, 2026 | September 4, 2026 | 1d | 10 | — | — | Form 4 ↗ | ||
| Chang Charles C | Option / conversion P | August 12, 2026 | August 13, 2026 | 1d | 1 | $765,184 | $765K | indirectderivative | Form 4 ↗ | |
| Chang Charles C | Option / conversion P | August 12, 2026 | August 13, 2026 | 1d | 1 | $765,190 | $765K | indirectderivative | Form 4 ↗ | |
| BUFFETT WARREN E | Exchange C | July 14, 2026 | July 15, 2026 | 1d | 8,000 | — | — | derivative | Form 4 ↗ | |
| BUFFETT WARREN E | Other G | July 14, 2026 | July 15, 2026 | 1d | 1,000,000 | — | — | Form 4 ↗ | ||
| BUFFETT WARREN E | Other G | July 14, 2026 | July 15, 2026 | 1d | 1,000,000 | — | — | Form 4 ↗ | ||
| BUFFETT WARREN E | Other G | July 14, 2026 | July 15, 2026 | 1d | 1,000,000 | — | — | Form 4 ↗ | ||
| BUFFETT WARREN E | Other G | July 14, 2026 | July 15, 2026 | 1d | 9,000,000 | — | — | Form 4 ↗ | ||
| BUFFETT WARREN E | Exchange C | July 14, 2026 | July 15, 2026 | 1d | 12,000,000 | — | — | Form 4 ↗ | ||
| Jain Ajit | Other G | July 1, 2026 | July 2, 2026 | 1d | 3 | — | — | Form 4 ↗ | ||
| BUFFETT WARREN E | Other G | May 22, 2026 | May 26, 2026 | 4d | 160 | — | — | Form 4 ↗ | ||
| BUFFETT WARREN E | Exchange C | May 18, 2026 | May 20, 2026 | 2d | 25 | — | — | derivative | Form 4 ↗ | |
| BUFFETT WARREN E | Other G | May 18, 2026 | May 20, 2026 | 2d | 18,646 | — | — | Form 4 ↗ | ||
| BUFFETT WARREN E | Other G | May 18, 2026 | May 20, 2026 | 2d | 18,646 | — | — | Form 4 ↗ | ||
| BUFFETT WARREN E | Exchange C | May 18, 2026 | May 20, 2026 | 2d | 37,500 | — | — | Form 4 ↗ |
Congressional trades
No member of Congress has disclosed a trade in this ticker in the filings we have parsed.
Related stocks
Tickers traded by the same people who traded BRK.A, by number of filers in common. It shows overlap in public filings and nothing else.
- BRK-B BERKSHIRE HATHAWAY INC 2 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.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 7 | 16 | May 20, 2026 | September 29, 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.