Berkshire Hathaway insider trading
Financials · Net sellingShare price and insider trades
Valuation, profit and volume
Summary
Over the past 12 months, 1 Berkshire Hathaway insider reported open-market purchases totaling $501K, while 1 insider reported sales totaling $20.0M. 0 of 1 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
News and SEC events
Recent 8-K filings and headlines. Tone is scored from the headline wording; “Policy” marks regulatory, trade or government topics.
- 8-K Earnings release
Insider transactions
Open-market purchases and sales. 21 grants, option exercises and tax withholdings are not shown.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Sep 29SEC | Ajit JainChair | Sell | 39,700 | $503.09 | $20.0M | +0.2% | — |
| Aug 13SEC | Michael J. O'sullivanSee Remarks | Buy | 400 | $512.52 | $205K | -1.6% | — |
| Aug 13SEC | Michael J. O'sullivanSee Remarks | Buy | 45 | $510.64 | $23K | -1.2% | — |
| Aug 13SEC | Michael J. O'sullivanSee Remarks | Buy | 43 | $513.61 | $22K | -1.8% | — |
| May 6SEC | Michael J. O'sullivanSee Remarks | Buy | 483 | $467.13 | $226K | +7.9% | — |
| May 6SEC | Michael J. O'sullivanSee Remarks | Buy | 53 | $470.22 | $25K | +7.2% | — |
Insiders at Berkshire Hathaway
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Ajit JainChair | — | $20.0M | Sep 29, 2026 | — |
| Michael J. O'sullivanSee Remarks | $501K | — | Aug 13, 2026 | — |
| Warren E BuffettDirector | — | — | Jul 15, 2026 | — |
| Charlotte GuymanDirector | — | — | May 18, 2026 | — |
Insider activity at other Financials companies
Same sector, ranked by insider buying in the last 90 days.
Common questions about BRK-B insiders
Are Berkshire Hathaway insiders buying BRK-B stock?
In the past 12 months, 1 insiders reported open-market purchases of BRK-B worth $501K. The latest was See Remarks Michael J. O'sullivan bought $205K of BRK-B at $512.52 — raises the stake by 56%.
Are Berkshire Hathaway insiders selling BRK-B stock?
1 insiders reported sales worth $20.0M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.