| 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 | 12 Nov 2025 | 0001664799 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CET | Common Stock | Small acquisition under Rule 16a-6 | $8.87K | +185 | +0.25% | $47.94 | 73.2K | 27 Jun 2025 | Direct | |
| transaction | CET | Common Stock | Purchase | $5.07K | +100 | +0.14% | $50.70 | 73.3K | 07 Nov 2025 | Direct | |
| transaction | CET | Common Stock | Small acquisition under Rule 16a-6 | $192 | +4 | +0.47% | $47.94 | 858 | 27 Jun 2025 | By Children |