Berkshire Hathaway Inc Insider Trading
Every director, officer and 10% holder of Berkshire Hathaway Inc has to report each trade in its stock within two business days of making it. This is those filings.
BRK-B on carbonthat →Purchases and sales
Open-market trades only — the lines where someone chose to buy or sell at the going price.
| Insider | Action | Value |
|---|---|---|
| Ajit JainVice Chairman2026-09-2839.7K shat $503.09 | Sale | $20M |
| Michael J. O'SullivanSee Remarks2026-08-1245 shat $510.64 | Purchase | $23K |
| Michael J. O'SullivanSee Remarks2026-08-12400 shat $512.52 | Purchase | $205K |
| Michael J. O'SullivanSee Remarks2026-08-1243 shat $513.61 | Purchase | $22.1K |
| Charles C ChangSee Remarks2026-08-121 shat $765,189.94 | Purchasederivative | $765.2K |
| Charles C ChangSee Remarks2026-08-121 shat $765,184.18 | Purchasederivative | $765.2K |
Source: SEC Form 4 filings, via EDGAR. A derivative line reports the shares underlying an option rather than stock outstanding, so it is marked and is not comparable with the rest. Value is shares times the reported price, and is blank where the filing priced the transaction at zero — a grant costs its recipient nothing. Insiders sell for reasons that have nothing to do with the company, which is why a sale is not read as a signal on its own.
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