Hill John C (CIK 1664799) reported 7 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-30). Recent activity: Buy CET (228 shares), Buy CET (5 shares), Buy CET (500 shares), Buy CET (500 shares), Buy CET (185 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-30 | CENTRAL SECURITIES CORP (CET) | CEO & President | Buy | 228 | $11,826 |
| 2026-06-30 | CENTRAL SECURITIES CORP (CET) | CEO & President | Buy | 5 | $259 |
| 2026-01-06 | CENTRAL SECURITIES CORP (CET) | CEO & President | Buy | 500 | $25,455 |
| 2025-12-30 | CENTRAL SECURITIES CORP (CET) | CEO & President | Buy | 500 | $25,455 |
| 2025-11-12 | CENTRAL SECURITIES CORP (CET) | CEO & President | Buy | 185 | $8,869 |
| 2025-11-12 | CENTRAL SECURITIES CORP (CET) | CEO & President | Buy | 100 | $5,070 |
| 2025-11-12 | CENTRAL SECURITIES CORP (CET) | CEO & President | Buy | 4 | $192 |
Source: SEC Form 4 filings · as of 2026-06-30