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Berkshire Hathaway insider trading
Transactions in BRK-B stock reported by Berkshire Hathaway executives, directors and large holders on SEC Form 4 over the last 120 days. Last update 2026-10-03.
$20.0Mopen-market sales (39,700 shares, 1 insiders)
$250Kopen-market purchases (488 shares, 1 insiders)
6Form 4 filings
Insiders
Ajit Jain Vice Chairman, Director Sold $20.0M Michael J. O'Sullivan See Remarks Bought $250K Warren Buffett Director, 10% owner 5 other transactions
All transactions
| Date | Insider | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|
| Sep 28, 2026 | Ajit Jain Vice Chairman, Director | Open-market sale indirect | 39,700 | $503.09 | $20.0M | Form 4 ↗ |
| Sep 3, 2026 | Ajit Jain Vice Chairman, Director | Gift | 10 | — | — | Form 4 ↗ |
| Aug 12, 2026 | Michael J. O'Sullivan See Remarks | Open-market purchase indirect | 45 | $510.64 | $23K | Form 4 ↗ |
| Aug 12, 2026 | Michael J. O'Sullivan See Remarks | Open-market purchase indirect | 400 | $512.52 | $205K | Form 4 ↗ |
| Aug 12, 2026 | Michael J. O'Sullivan See Remarks | Open-market purchase indirect | 43 | $513.61 | $22K | Form 4 ↗ |
| Jul 14, 2026 | Warren Buffett Director, 10% owner | Conversion | 12,000,000 | — | — | Form 4 ↗ |
| Jul 14, 2026 | Warren Buffett Director, 10% owner | Gift | 9,000,000 | — | — | Form 4 ↗ |
| Jul 14, 2026 | Warren Buffett Director, 10% owner | Gift | 1,000,000 | — | — | Form 4 ↗ |
| Jul 14, 2026 | Warren Buffett Director, 10% owner | Gift | 1,000,000 | — | — | Form 4 ↗ |
| Jul 14, 2026 | Warren Buffett Director, 10% owner | Gift | 1,000,000 | — | — | Form 4 ↗ |
| Jul 1, 2026 | Ajit Jain Vice Chairman, Director | Gift | 3 | — | — | Form 4 ↗ |
Source: SEC EDGAR, Berkshire Hathaway Form 4 filings. Values are shares × reported price for open-market trades. Insider trades are reported facts, not recommendations. Not investment advice. See the tracker for how to read the codes.