CENTRAL SECURITIES CORP (CET) Insider Trading & SEC Filings
Last SEC filing
CENTRAL SECURITIES CORP (CET) has filed 5 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-23. Insiders disclosed 3 open-market purchases totaling $23K. InsiderAlpha tracks every CET SEC filing - Form 4, Form 144, and 8-K - in real time, including Rule 10b5-1 plan detection.
About CENTRAL SECURITIES CORP (CET)
CENTRAL SECURITIES CORP trades under the ticker CET. InsiderAlpha tracks 16 primary SEC Form 4 filings from 4 reporting insiders for CET since 2024, sourced directly from SEC EDGAR.
| SEC CIK | 0000018748 |
|---|
90-Day SEC Filing Activity
| Insider purchases (90d) | 3 ($23K) |
|---|---|
| Form 4 filings (90d) | 5 |
| Latest Form 4 filing | 2026-07-23 |
Recent CET Insider Transactions (Form 4)
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| ENDEAVOR FOUNDATION, INC. | 10% Owner | G - Bona-fide gift | 30.8K | - | - | SEC | |
| John C. Hill | CEO & President | P - Open-market purchase | 5 | $51.87 | $259 | SEC | |
| John C. Hill | CEO & President | P - Open-market purchase | 228 | $51.87 | $12K | SEC | |
| Leo Price Blackford | Director | P - Open-market purchase | 204 | $52.38 | $11K | SEC | |
| ENDEAVOR FOUNDATION, INC. | 10% Owner | G - Bona-fide gift | 38.2K | - | - | SEC | |
| ENDEAVOR FOUNDATION, INC. | 10% Owner | G - Bona-fide gift | 19.0K | - | - | SEC | |
| ENDEAVOR FOUNDATION, INC. | 10% Owner | G - Bona-fide gift | 18.8K | - | - | SEC | |
| ENDEAVOR FOUNDATION, INC. | 10% Owner | G - Bona-fide gift | 20.2K | - | - | SEC | |
| ENDEAVOR FOUNDATION, INC. | 10% Owner | G - Bona-fide gift | 19.2K | - | - | SEC | |
| John C. Hill | CEO & President | P - Open-market purchase | 500 | $50.91 | $25K | SEC | |
| John C. Hill | CEO & President | P - Open-market purchase | 500 | $50.91 | $25K | SEC | |
| John C. Hill | CEO & President | P - Open-market purchase | 100 | $50.70 | $5K | SEC | |
| ENDEAVOR FOUNDATION, INC. | 10% Owner | G - Bona-fide gift | 41.2K | - | - | SEC | |
| John C. Hill | CEO & President | J - Other acquisition / disposition | 4 | $47.94 | $192 | SEC | |
| John C. Hill | CEO & President | J - Other acquisition / disposition | 185 | $47.94 | $9K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for CENTRAL SECURITIES CORP (CET). Updated in real time as new filings are submitted to the SEC.
Most-Active CET Insiders - Last 90 Days
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| ENDEAVOR FOUNDATION, INC. | 3 | - |
| John C. Hill | 2 | $12K |
| Leo Price Blackford | 1 | $11K |
Recent Insider Filings
- - ENDEAVOR FOUNDATION, INC. (10% Owner)
- - John C. Hill (CEO & President)
- - Leo Price Blackford (Director)
- - ENDEAVOR FOUNDATION, INC. (10% Owner)
- - ENDEAVOR FOUNDATION, INC. (10% Owner)
Form 4 Transaction Code Reference
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in CET insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
CET Insider Trading - FAQ
- What is the latest insider trade for CET?
- CENTRAL SECURITIES CORP (CET) had 5 insider filings in the last 90 days, with the most recent on 2026-07-23. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
- How many insiders are buying CET stock?
- 3 insider purchases of CET were filed in the last 90 days, totaling $23K.
- How many insiders are selling CET stock?
- 0 insider sales of CET were filed in the last 90 days.
- Where can I see CET SEC filings (Form 4, 10-K, 10-Q, 8-K)?
- This page tracks CET Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Learn More
- What is SEC Form 4?
- How to read insider buying signals
- Rule 10b5-1 trading plans explained
- The cluster buying signal
Open the live CET dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.