| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Allen Tony | Director | C/O GRAHAM HOLDINGS 1812 NORTH MOORE ST., SUITE 2100, ARLINGTON | Nicole Maddrey for Tony Allen | 10 Mar 2026 | 0001847222 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GHC | Class B Common Stock | Sale | $6,600 | -7 | -47% | $942.89 | 8 | 30 Jul 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | This Form 4 is being filed late due to an administrative error. |