Insider · CIK 0001655513
Jacob Maas
Files at: GHC. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 28, 2026 AFForm 4 → | Aug 31, 5:45 pm EDT | Graham Holdings CoGHC | 1,501 | $1,159.23 | $580,774 | 7,156 | — |
Reported trades — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.