1 Form 4 filings for BRK.B between 2026-08-13 and 2026-08-13, from 1 filer. 1 discretionary (0 sales, 1 purchases). 1 of 1 state a filing-level total, summing to $250,072; the rest report only their largest transaction, so the true figure is higher.
| Filed | Filer | Role | Action | Shares largest txn | Price | Filing total | Txns |
|---|---|---|---|---|---|---|---|
| 2026-08-13 | O'Sullivan Michael J. | See Remarks | purchased (open market) | 400 | $512.52 | $250,072 | 3 |
| 1 filings · 1 filers · disclosed totals only | $250,072 (1/1) | — | |||||