CET SEC Filing News — Central Securities Corporation

Latest SEC filings for Central Securities Corporation (CET) explained in plain English. Covers insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). StrongBuyAnalytics provides navigation and brief excerpts or summaries; original filings remain at the SEC/source links and were authored by their filers, not StrongBuyAnalytics. Filing dates shown are source dates. Coverage and detection can be delayed or incomplete because of SEC availability, amendments, parsing, caching, or outages. Latest source filing date shown: 2026-10-08.

Central Securities Corporation is a publicly owned investment manager. The firm invests in the public equity markets of the United States. It also invests on bonds, convertible bonds, preferred stocks, convertible preferred stocks, warrants, options real estate, or short-term obligations of governments, banks and corporations. Central Securities Corp. was founded on October 1, 1929 and is based in New York City.
Sector: Financial Services Industry: Asset Management
20
Total Filings
9
Bullish Classifications
0
Bearish Classifications
20
Insider Transactions
0
Material Events (8-K)
0
Periodic Reports
Rule-based classifications for CET currently lean bullish. Of the 20 displayed SEC filing records, 9 carry bullish classifications versus 0 bearish classifications. These labels summarize filing attributes; they are not recommendations, probabilities, or evidence of future price direction. There were 20 insider transactions (Form 4) in this period.
CET Filing Activity Snapshot 2024-08-08 — 2026-10-08
Insider Transactions (Form 4)
9 buys vs 0 sells
Net insider buying in this period — more purchases than sales reported.
Largest Form 144 Filing
$62.4K
O'Neill Andrew J (Vice President) · 2024-10-25
1,354 shares · Form 4
Insider Transactions 20 · Forms 3, 4 and 5

A Form 4 is filed within two business days of a company insider — an officer, a director, or a holder of more than ten percent of the stock — changing their position in the shares. All 20 filings in this group are Form 4s for Central Securities Corporation.

The difficulty with reading these filings as a group is that a single form type covers transactions that mean entirely different things. An executive spending their own money to buy stock and an executive having shares withheld to pay tax on a vesting grant both appear as a Form 4. Every filing below is therefore tagged with the nature of the underlying transaction, taken from the transaction code reported on the form itself.

Across the 20 insider filings shown, the breakdown is 11 gift and 9 open-market purchase. 9 of them involved a discretionary open-market trade; the rest are compensation and administrative mechanics.

What each transaction type means

Gift ×11
Shares were transferred as a gift, typically for estate or charitable planning. No sale into the market took place.
Open-market purchase ×9
The insider bought shares on the open market with their own money. This is the only Form 4 category that requires a discretionary cash outlay at the prevailing price.
Form 4 Open-market purchase Insider Buying 2026-10-08

CET insider Hill John C (Director, CEO & President) bought 500 shares (~$28.2K)

Hill John C, listed as Director, CEO & President at CENTRAL SECURITIES CORP, reported an open-market purchase of 500 CET shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

The insider bought shares on the open market with their own money. This is the only Form 4 category that requires a discretionary cash outlay at the prevailing price.

Transactions reported on this filing
Code Nature Shares Price Value
P Open-market purchase 500 $56.37 $28.2K
Filing: Form 4 (Insider Transaction) Insider: Hill John C (Director, CEO & President) Shares: 500 Est. Value: $28.2K
View on SEC EDGAR → Open Filing Document →
Form 4 Gift Tax / Compensation Filing 2026-07-23

CET insider Form 4 filed for equity award, exercise, or tax withholding

ENDEAVOR FOUNDATION, INC. (10% Owner) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were transferred as a gift, typically for estate or charitable planning. No sale into the market took place.

Transactions reported on this filing
Code Nature Shares Price Value
G Gift 30,820 — —
Filing: Form 4 (Insider Transaction) Insider: ENDEAVOR FOUNDATION, INC. (10% Owner) Shares: 30,820
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market purchase Insider Buying 2026-06-30

CET insider Hill John C (Director, CEO & President) bought 233 shares (~$12.1K)

Hill John C, listed as Director, CEO & President at CENTRAL SECURITIES CORP, reported an open-market purchase of 233 CET shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

The insider bought shares on the open market with their own money. This is the only Form 4 category that requires a discretionary cash outlay at the prevailing price.

Transactions reported on this filing
Code Nature Shares Price Value
P Open-market purchase 228 $51.87 $11.8K
P Open-market purchase 5 $51.87 $259.35
Filing: Form 4 (Insider Transaction) Insider: Hill John C (Director, CEO & President) Shares: 233 Est. Value: $12.1K
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market purchase Insider Buying 2026-06-30

CET insider Blackford Leo Price (Director) bought 204 shares (~$10.7K)

Blackford Leo Price, listed as Director at CENTRAL SECURITIES CORP, reported an open-market purchase of 204 CET shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

The insider bought shares on the open market with their own money. This is the only Form 4 category that requires a discretionary cash outlay at the prevailing price.

Transactions reported on this filing
Code Nature Shares Price Value
P Open-market purchase 204 $52.38 $10.7K
Filing: Form 4 (Insider Transaction) Insider: Blackford Leo Price (Director) Shares: 204 Est. Value: $10.7K
View on SEC EDGAR → Open Filing Document →
Form 4 Gift Tax / Compensation Filing 2026-06-23

CET insider Form 4 filed for equity award, exercise, or tax withholding

ENDEAVOR FOUNDATION, INC. (10% Owner) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were transferred as a gift, typically for estate or charitable planning. No sale into the market took place.

Transactions reported on this filing
Code Nature Shares Price Value
G Gift 38,200 — —
Filing: Form 4 (Insider Transaction) Insider: ENDEAVOR FOUNDATION, INC. (10% Owner) Shares: 38,200
View on SEC EDGAR → Open Filing Document →
Form 4 Gift Tax / Compensation Filing 2026-05-21

CET insider Form 4 filed for equity award, exercise, or tax withholding

ENDEAVOR FOUNDATION, INC. (10% Owner) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were transferred as a gift, typically for estate or charitable planning. No sale into the market took place.

Transactions reported on this filing
Code Nature Shares Price Value
G Gift 19,000 — —
Filing: Form 4 (Insider Transaction) Insider: ENDEAVOR FOUNDATION, INC. (10% Owner) Shares: 19,000
View on SEC EDGAR → Open Filing Document →
Form 4 Gift Tax / Compensation Filing 2026-04-24

CET insider Form 4 filed for equity award, exercise, or tax withholding

ENDEAVOR FOUNDATION, INC. (10% Owner) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were transferred as a gift, typically for estate or charitable planning. No sale into the market took place.

Transactions reported on this filing
Code Nature Shares Price Value
G Gift 18,750 — —
Filing: Form 4 (Insider Transaction) Insider: ENDEAVOR FOUNDATION, INC. (10% Owner) Shares: 18,750
View on SEC EDGAR → Open Filing Document →
Form 4 Gift Tax / Compensation Filing 2026-03-30

CET insider Form 4 filed for equity award, exercise, or tax withholding

ENDEAVOR FOUNDATION, INC. (10% Owner) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were transferred as a gift, typically for estate or charitable planning. No sale into the market took place.

Transactions reported on this filing
Code Nature Shares Price Value
G Gift 20,160 — —
Filing: Form 4 (Insider Transaction) Insider: ENDEAVOR FOUNDATION, INC. (10% Owner) Shares: 20,160
View on SEC EDGAR → Open Filing Document →
Form 4 Gift Tax / Compensation Filing 2026-03-02

CET insider Form 4 filed for equity award, exercise, or tax withholding

ENDEAVOR FOUNDATION, INC. (10% Owner) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were transferred as a gift, typically for estate or charitable planning. No sale into the market took place.

Transactions reported on this filing
Code Nature Shares Price Value
G Gift 19,200 — —
Filing: Form 4 (Insider Transaction) Insider: ENDEAVOR FOUNDATION, INC. (10% Owner) Shares: 19,200
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market purchase Insider Buying 2026-01-06

CET insider Hill John C (Director, CEO & President) bought 500 shares (~$25.5K)

Hill John C, listed as Director, CEO & President at CENTRAL SECURITIES CORP, reported an open-market purchase of 500 CET shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

The insider bought shares on the open market with their own money. This is the only Form 4 category that requires a discretionary cash outlay at the prevailing price.

Transactions reported on this filing
Code Nature Shares Price Value
P Open-market purchase 500 $50.91 $25.5K
Filing: Form 4 (Insider Transaction) Insider: Hill John C (Director, CEO & President) Shares: 500 Est. Value: $25.5K
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market purchase Insider Buying 2025-11-12

CET insider Hill John C (Director, CEO & President) bought 100 shares (~$5.1K)

Hill John C, listed as Director, CEO & President at CENTRAL SECURITIES CORP, reported an open-market purchase of 100 CET shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

The insider bought shares on the open market with their own money. This is the only Form 4 category that requires a discretionary cash outlay at the prevailing price.

Transactions reported on this filing
Code Nature Shares Price Value
L Code L 185 $47.94 $8.9K
P Open-market purchase 100 $50.70 $5.1K
L Code L 4 $47.94 $191.76
Filing: Form 4 (Insider Transaction) Insider: Hill John C (Director, CEO & President) Shares: 100 Est. Value: $5.1K
View on SEC EDGAR → Open Filing Document →
Form 4 Gift Tax / Compensation Filing 2025-08-04

CET insider Form 4 filed for equity award, exercise, or tax withholding

ENDEAVOR FOUNDATION, INC. (10% Owner) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were transferred as a gift, typically for estate or charitable planning. No sale into the market took place.

Transactions reported on this filing
Code Nature Shares Price Value
G Gift 41,200 — —
Filing: Form 4 (Insider Transaction) Insider: ENDEAVOR FOUNDATION, INC. (10% Owner) Shares: 41,200
View on SEC EDGAR → Open Filing Document →
Form 4 Gift Tax / Compensation Filing 2025-02-26

CET insider Form 4 filed for equity award, exercise, or tax withholding

ENDEAVOR FOUNDATION, INC. (10% Owner) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were transferred as a gift, typically for estate or charitable planning. No sale into the market took place.

Transactions reported on this filing
Code Nature Shares Price Value
G Gift 32,000 — —
Filing: Form 4 (Insider Transaction) Insider: ENDEAVOR FOUNDATION, INC. (10% Owner) Shares: 32,000
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market purchase Insider Buying 2025-01-08

CET insider Hill John C (Director, CEO & President) bought 700 shares (~$32.1K)

Hill John C, listed as Director, CEO & President at CENTRAL SECURITIES CORP, reported an open-market purchase of 700 CET shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

The insider bought shares on the open market with their own money. This is the only Form 4 category that requires a discretionary cash outlay at the prevailing price.

Transactions reported on this filing
Code Nature Shares Price Value
P Open-market purchase 700 $45.87 $32.1K
Filing: Form 4 (Insider Transaction) Insider: Hill John C (Director, CEO & President) Shares: 700 Est. Value: $32.1K
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market purchase Insider Buying 2025-01-08

CET insider O'Neill Andrew J (Vice President) bought 1,309 shares (~$59.8K)

O'Neill Andrew J, listed as Vice President at CENTRAL SECURITIES CORP, reported an open-market purchase of 1,309 CET shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

The insider bought shares on the open market with their own money. This is the only Form 4 category that requires a discretionary cash outlay at the prevailing price.

Transactions reported on this filing
Code Nature Shares Price Value
P Open-market purchase 1,309 $45.65 $59.8K
Filing: Form 4 (Insider Transaction) Insider: O'Neill Andrew J (Vice President) Shares: 1,309 Est. Value: $59.8K
View on SEC EDGAR → Open Filing Document →
Form 4 Gift Tax / Compensation Filing 2024-12-09

CET insider Form 4 filed for equity award, exercise, or tax withholding

ENDEAVOR FOUNDATION, INC. (10% Owner) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were transferred as a gift, typically for estate or charitable planning. No sale into the market took place.

Transactions reported on this filing
Code Nature Shares Price Value
G Gift 42,500 — —
Filing: Form 4 (Insider Transaction) Insider: ENDEAVOR FOUNDATION, INC. (10% Owner) Shares: 42,500
View on SEC EDGAR → Open Filing Document →
Form 4 Gift Tax / Compensation Filing 2024-11-26

CET insider Form 4 filed for equity award, exercise, or tax withholding

ENDEAVOR FOUNDATION, INC. (10% Owner) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were transferred as a gift, typically for estate or charitable planning. No sale into the market took place.

Transactions reported on this filing
Code Nature Shares Price Value
G Gift 110,000 — —
Filing: Form 4 (Insider Transaction) Insider: ENDEAVOR FOUNDATION, INC. (10% Owner) Shares: 110,000
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market purchase Insider Buying 2024-11-01

CET insider Hill John C (Director, CEO & President) bought 800 shares (~$37.5K)

Hill John C, listed as Director, CEO & President at CENTRAL SECURITIES CORP, reported an open-market purchase of 800 CET shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

The insider bought shares on the open market with their own money. This is the only Form 4 category that requires a discretionary cash outlay at the prevailing price.

Transactions reported on this filing
Code Nature Shares Price Value
L Code L 149 $43.87 $6.5K
P Open-market purchase 600 $46.71 $28.0K
L Code L 3 $43.87 $131.61
P Open-market purchase 200 $47.13 $9.4K
Filing: Form 4 (Insider Transaction) Insider: Hill John C (Director, CEO & President) Shares: 800 Est. Value: $37.5K
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market purchase Insider Buying 2024-10-25

CET insider O'Neill Andrew J (Vice President) bought 1,354 shares (~$62.4K)

O'Neill Andrew J, listed as Vice President at CENTRAL SECURITIES CORP, reported an open-market purchase of 1,354 CET shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

The insider bought shares on the open market with their own money. This is the only Form 4 category that requires a discretionary cash outlay at the prevailing price.

Transactions reported on this filing
Code Nature Shares Price Value
L Code L 197 $43.87 $8.6K
P Open-market purchase 1,080 $46.09 $49.8K
L Code L 6 $43.87 $263.22
P Open-market purchase 274 $46.09 $12.6K
Filing: Form 4 (Insider Transaction) Insider: O'Neill Andrew J (Vice President) Shares: 1,354 Est. Value: $62.4K
View on SEC EDGAR → Open Filing Document →
Form 4 Gift Tax / Compensation Filing 2024-08-08

CET insider Form 4 filed for equity award, exercise, or tax withholding

ENDEAVOR FOUNDATION, INC. (10% Owner) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were transferred as a gift, typically for estate or charitable planning. No sale into the market took place.

Transactions reported on this filing
Code Nature Shares Price Value
G Gift 37,500 — —
Filing: Form 4 (Insider Transaction) Insider: ENDEAVOR FOUNDATION, INC. (10% Owner) Shares: 37,500
View on SEC EDGAR → Open Filing Document →

How we classify Central Securities Corporation's filings

Straight from EDGAR

Each displayed record links to an original source document. StrongBuyAnalytics provides navigation and brief excerpts or summaries, not the filing itself. Parsing may omit context or contain errors, so read the original document in full.

Transaction codes, not guesswork

The nature shown on each insider filing comes from the transaction code the filer entered on the form itself — P for an open-market purchase, A for a compensation award, F for shares withheld to pay tax, M for an option exercise. Where one filing contains several codes, the transaction table lists them line by line.

Why the distinction matters

Insider activity is routinely summarised as buying or selling, which flattens together decisions that mean very different things. Shares withheld for tax on a vesting grant are an automatic administrative step; shares bought on the open market are someone committing their own money at the current price.

What this page does not tell you

A filing records what happened, not why. Form 4 does not always disclose whether a sale was executed under a pre-arranged Rule 10b5-1 plan, and no single filing is a basis for a decision on CET. Read these alongside the fundamentals rather than in isolation.

Frequently Asked Questions — CET SEC Filings

More Tools for CET

CET Full Stock Analysis CET Live Chart Institutional Ownership Earnings Calendar Options Flow Scanner Semiconductor Demand Zone Tracker Sector Scanner Browse All Stocks

Want deeper CET analysis?

View valuation, growth metrics, the rule-based stock-page score, demand zones, peer comparison, and more — all on the CET stock analysis page.

CET Full Analysis
Publisher, sources & limitations — September 15, 2026. StrongBuyAnalytics provides navigation and brief excerpts or summaries for educational use. Original filings remain at SEC EDGAR or other displayed source links; StrongBuyAnalytics does not author them. Filing dates are source dates, not publication dates for this page. Coverage can be delayed, incomplete, amended, or unavailable because of SEC/source availability, parsing, caching, or outages. Verify every material statement in the original filing.
Data Sources · Methodology · AI Disclosure · Corrections Policy · Disclaimer