6 insiders reported 19 Form 4 transactions for CENTRAL SECURITIES CORP (CET) over the past 18 months (most recent 2026-06-30). Recent activity: Blackford Leo Price (Director) Buy 204 shares, Hill John C (CEO & President) Buy 228 shares, Hill John C (CEO & President) Buy 5 shares, ENDEAVOR FOUNDATION, INC. (10% Owner) Sell 38,200 shares, ENDEAVOR FOUNDATION, INC. (10% Owner) Sell 19,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-30 | Blackford Leo Price | Director | Buy | 204 | $10,686 |
| 2026-06-30 | Hill John C | CEO & President | Buy | 228 | $11,826 |
| 2026-06-30 | Hill John C | CEO & President | Buy | 5 | $259 |
| 2026-06-23 | ENDEAVOR FOUNDATION, INC. | 10% Owner | Sell | 38,200 | $0 |
| 2026-05-21 | ENDEAVOR FOUNDATION, INC. | 10% Owner | Sell | 19,000 | $0 |
| 2026-04-24 | ENDEAVOR FOUNDATION, INC. | 10% Owner | Sell | 18,750 | $0 |
| 2026-03-30 | ENDEAVOR FOUNDATION, INC. | Insider | Sell | 20,160 | $0 |
| 2026-03-02 | ENDEAVOR FOUNDATION, INC. | Insider | Sell | 19,200 | $0 |
| 2026-02-11 | Poppe David Martin | Director | Buy | 64 | $3,068 |
| 2026-02-10 | Blackford Leo Price | Director | Buy | 171 | $8,140 |
| 2026-02-10 | KRUMHOLZ MARLENE A | Vice President & Secretary | Buy | 100 | $4,760 |
| 2026-02-10 | KRUMHOLZ MARLENE A | Vice President & Secretary | Buy | 2 | $95 |
| 2026-02-10 | Browning Simms C | Director | Buy | 3,500 | $0 |
| 2026-01-06 | Hill John C | CEO & President | Buy | 500 | $25,455 |
| 2025-12-30 | Hill John C | CEO & President | Buy | 500 | $25,455 |
| 2025-11-12 | Hill John C | CEO & President | Buy | 185 | $8,869 |
| 2025-11-12 | Hill John C | CEO & President | Buy | 100 | $5,070 |
| 2025-11-12 | Hill John C | CEO & President | Buy | 4 | $192 |
| 2025-08-04 | ENDEAVOR FOUNDATION, INC. | Insider | Sell | 41,200 | $0 |
Source: SEC Form 4 filings · as of 2026-06-30