Everything on this page is public record — SEC Form 4 filings and congressional disclosures — alongside any INSIDER SCANNER research signal for this company.
Insider flow: Buying only — a count of disclosed transactions, not a rating or a recommendation.
Every open-market transaction disclosed for BRK.B in the synced window. Values are the insider's own, as filed.
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-08-12 | O'Sullivan Michael J. | See Remarks | Open-market buy | 45 | 510.64 | $22,979 |
| 2026-08-12 | O'Sullivan Michael J. | See Remarks | Open-market buy | 400 | 512.52 | $205,008 |
| 2026-08-12 | O'Sullivan Michael J. | See Remarks | Open-market buy | 43 | 513.61 | $22,085 |
Not financial advice. This page reports public filings and past research output. It is not a recommendation to buy or sell, and no price target here is a prediction. Trade at your own risk.