| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Hill John C | CEO & President, Director | C/O CENTRAL SECURITIES CORP, 630 FIFTH AVE, NEW YORK | /s/ John C. Hill | 06 Jan 2026 | 0001664799 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CET | Common Stock | Purchase | $25,455 | +500 | +0.65% | $50.91 | 77,373 | 29 Dec 2025 | Direct | F1 |
| holding | CET | Common Stock | 901 | 29 Dec 2025 | By Children | F1 |
| Id | Content |
|---|---|
| F1 | Includes shares received in a non-reportable transaction. |