CET - CIK 0000018748
CENTRAL SECURITIES CORP has filed 899 documents with the SEC between 1996 and 2026. The most frequent type is insider trade (226 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Insider trade | 4 | 2026-05-21 | 2026-05-19 |
| Institutional holdings | 13F-HR | 2026-05-08 | 2026-03-31 |
| N-30B-2 | - | 2026-04-28 | 2026-03-31 |
| Insider trade | 4 | 2026-04-24 | 2026-04-22 |
| Insider trade | 4 | 2026-03-30 | 2026-03-26 |
| N-CEN | - | 2026-03-11 | 2025-12-31 |
| Insider trade | 4 | 2026-03-02 | 2026-02-26 |
| NPORT-P | - | 2026-02-24 | 2025-12-31 |
| DEFR14A | - | 2026-02-24 | - |
| N-CSR | - | 2026-02-24 | 2025-12-31 |
| Proxy statement | DEF 14A | 2026-02-23 | 2026-04-08 |
| Annual insider summary | 5 | 2026-02-11 | 2025-12-31 |
| SCHEDULE 13G/A | - | 2026-02-11 | - |
| Annual insider summary | 5 | 2026-02-10 | 2025-12-31 |
| Institutional holdings | 13F-HR | 2026-02-10 | 2025-12-31 |
| Annual insider summary | 5 | 2026-02-10 | 2025-12-31 |
| Annual insider summary | 5 | 2026-02-10 | 2025-12-31 |
| Annual insider summary | 5 | 2026-02-10 | 2025-12-31 |
| Annual insider summary | 5 | 2026-02-10 | 2025-12-31 |
| Annual insider summary | 5 | 2026-02-10 | 2025-12-31 |
| Annual insider summary | 5 | 2026-02-10 | 2025-12-31 |
| Insider trade | 4 | 2026-01-06 | 2025-12-29 |
| Insider trade (amended) | 4/A | 2025-12-30 | 2025-12-29 |
| 3/A | - | 2025-12-30 | 2025-12-10 |
| N-30B-2 | - | 2025-11-12 | 2025-09-30 |
| Insider trade | 4 | 2025-11-12 | 2025-06-27 |
| Institutional holdings | 13F-HR | 2025-11-12 | 2025-09-30 |
| NPORT-P | - | 2025-11-06 | 2025-09-30 |
| 40-17G | - | 2025-11-04 | - |
| NPORT-P | - | 2025-08-18 | 2025-06-30 |
| N-PX | - | 2025-08-07 | 2025-06-30 |
| N-CSRS | - | 2025-08-07 | 2025-06-30 |
| Institutional holdings | 13F-HR | 2025-08-07 | 2025-06-30 |
| Insider trade | 4 | 2025-08-04 | 2025-07-31 |
| N-30B-2 | - | 2025-05-07 | 2025-03-31 |
| Institutional holdings | 13F-HR | 2025-05-07 | 2025-03-31 |
| NPORT-P | - | 2025-04-22 | 2025-03-31 |
| N-CEN | - | 2025-03-04 | 2024-12-31 |
| Insider trade | 4 | 2025-02-26 | 2025-02-25 |
| Institutional holdings | 13F-HR | 2025-02-13 | 2024-12-31 |
| N-CSR | - | 2025-02-12 | 2024-12-31 |
| Proxy statement | DEF 14A | 2025-02-10 | 2025-03-26 |
| SCHEDULE 13G/A | - | 2025-02-07 | - |
| Annual insider summary | 5 | 2025-02-03 | 2024-12-31 |
| NPORT-P | - | 2025-01-31 | 2024-12-31 |
| Annual insider summary | 5 | 2025-01-31 | 2024-12-31 |
| Annual insider summary | 5 | 2025-01-31 | 2024-12-31 |
| Annual insider summary | 5 | 2025-01-31 | 2024-12-31 |
| Annual insider summary | 5 | 2025-01-31 | 2024-12-31 |
| Annual insider summary | 5 | 2025-01-30 | 2024-12-31 |