Insider · CIK 0002139769
Charles C Chang
Files at: BRK.A. On EDGAR ↗
Reported trades — common stock
No reported common-stock activity in this period.
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 12, 2026 PForm 4 → | Aug 13, 5:00 pm EDT | BERKSHIRE HATHAWAY INCBRK.A | 2 | $765,187.06 | $1,530,374 | 8 | — |