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 |
|---|---|---|---|
| Passive ownership stake (update) | SC 13G/A | 2000-02-07 | - |
| Passive ownership stake (update) | SC 13G/A | 2000-02-07 | - |
| Institutional holdings | 13F-HR | 2000-02-07 | 1999-12-31 |
| N-30D | - | 2000-02-02 | 1999-12-31 |
| Proxy statement | DEF 14A | 2000-02-02 | 2000-03-08 |
| N-23C-1 | - | 2000-01-07 | 1999-12-31 |
| Institutional holdings | 13F-HR | 1999-11-10 | 1999-09-30 |
| N-30B-2 | - | 1999-10-26 | 1999-09-30 |
| N-23C-1 | - | 1999-10-08 | 1999-09-30 |
| NSAR-A | - | 1999-08-12 | 1999-06-30 |
| Activist ownership stake (update) | SC 13D/A | 1999-08-11 | - |
| Activist ownership stake (update) | SC 13D/A | 1999-08-10 | - |
| 13F-HR/A | - | 1999-08-10 | 1999-06-30 |
| Passive ownership stake (update) | SC 13G/A | 1999-08-10 | - |
| Institutional holdings | 13F-HR | 1999-08-06 | 1999-06-30 |
| N-30D | - | 1999-08-04 | 1999-06-30 |
| N-23C-2 | - | 1999-06-21 | 1999-06-21 |
| Institutional holdings | 13F-HR | 1999-05-07 | 1999-03-31 |
| N-30B-2 | - | 1999-04-22 | 1999-03-31 |
| NSAR-B | - | 1999-02-23 | 1998-12-31 |
| Passive ownership stake (update) | SC 13G/A | 1999-02-04 | - |
| Proxy statement | DEF 14A | 1999-02-02 | 1999-03-10 |
| N-30D | - | 1999-02-02 | 1998-12-31 |
| N-30B-2 | - | 1998-10-21 | 1998-09-30 |
| NSAR-A | - | 1998-08-13 | 1998-06-30 |
| N-30D | - | 1998-07-31 | 1998-06-30 |
| N-30B-2 | - | 1998-04-22 | 1998-03-31 |
| NSAR-B | - | 1998-02-25 | 1997-12-31 |
| Passive ownership stake | SC 13G | 1998-02-10 | - |
| Passive ownership stake (update) | SC 13G/A | 1998-02-10 | - |
| N-30D | - | 1998-02-04 | 1997-12-31 |
| Proxy statement | DEF 14A | 1998-02-04 | 1998-03-11 |
| PRE 14A | - | 1998-01-09 | 1998-03-11 |
| N-30B-2 | - | 1997-10-24 | 1997-09-30 |
| NSAR-A | - | 1997-08-14 | 1997-06-30 |
| N-30D | - | 1997-08-01 | 1997-06-30 |
| N-30B-2 | - | 1997-04-24 | 1997-03-31 |
| NSAR-B | - | 1997-02-26 | 1996-12-31 |
| Passive ownership stake (update) | SC 13G/A | 1997-02-07 | - |
| Proxy statement | DEF 14A | 1997-02-04 | 1997-03-12 |
| N-30D | - | 1997-02-04 | 1996-12-31 |
| N-30B-2 | - | 1996-10-23 | 1996-09-30 |
| N-30D | - | 1996-08-02 | 1996-06-30 |
| N-30B-2 | - | 1996-04-24 | 1996-03-31 |
| NSAR-B | - | 1996-02-28 | 1995-12-31 |
| Passive ownership stake (update) | SC 13G/A | 1996-02-13 | - |
| N-30D | - | 1996-02-08 | 1996-02-08 |
| Proxy statement | DEF 14A | 1996-02-08 | 1996-03-20 |
| Activist ownership stake (update) | SC 13D/A | 1996-02-08 | - |