| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| GUYMAN CHARLOTTE | Director | 1127 EVERGREEN POINT RD, MEDINA | /s/ Charlotte Guyman | 05 Nov 2025 | 0001269365 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BRK.A | Class B Common Stock | Conversion of derivative security | $0 | +1.5K | +63.24% | $0.00 | 3.87K | 03 Nov 2025 | Direct | |
| transaction | BRK.A | Class B Common Stock | Gift | $0 | -410 | -10.59% | $0.00 | 3.46K | 03 Nov 2025 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BRK.A | Class A Common Stock | Conversion of derivative security | -1 | -1.82% | 54 | 03 Nov 2025 | Class B Common Stock | Direct | F2, F3 |
| Id | Content |
|---|---|
| F1 | The reported transaction consists of gifts from Charlotte Guyman of 82 shares each of Class B common Stock to five charitable organizations. |
| F2 | Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. |
| F3 | Not applicable. |