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NYSE · CIK 0000018748

CET CENTRAL SECURITIES CORP

Insider trading from SEC Form 4. Last filing 5 d ago. Close $55.87 on Oct 9, 2026, +18% from the 52-week low and -2% from the high.

CENTRAL SECURITIES CORP (CET) has 19 SEC Form 4 filings on file from 4 insiders, the latest filed on Oct 8, 2026. In the last 90 days insiders made 1 open-market buy worth $28k and 0 open-market sells worth $0, net +$28k.

10 open-market trades have been scored at CET. The newest: John C Hill (CEO & President) bought $28k of stock on Oct 6, 2026, filed Oct 8, 2026, scored 25 (weak). The largest of the 10 shown: Andrew J O'Neill (Vice President) bought $62k on Oct 24, 2024, scored 30 (weak). 2 insiders bought within 14 days of each other around Jun 26, 2026.

CET closed at $55.87 on Oct 9, 2026, 18% above its 52-week low and 2% below its 52-week high.

Last 90 days

Net insider value
+$28k
more bought than sold
Buys
1
$28k by 1 insider
Sells
0
$0 by 0 insiders
Insiders on file
4
with a Form 4 at this company

Price and insider trades, last year

CETOct 9, 2026 · close 55.87

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

Open-market buys and sells at CENTRAL SECURITIES CORP, scored.

ScoreInsiderValueHoldingsPrice contextFiled
25WeakJohn C Hill
CEO & President
buy
$28k
500 shares
+1%+19% from low-1% from high
18WeakLeo Price Blackford
director
buy
$11k
204 shares
+0%+15% from low-4% from high
28WeakJohn C Hill
CEO & President
buy
$12k
233 shares
+0%+15% from low-4% from high
30WeakJohn C Hill
CEO & President
buy
$25k
500 shares
+1%+32% from low-1% from high
30WeakJohn C Hill
CEO & President
buy
$25k
500 shares
+1%+32% from low-1% from high
20WeakJohn C Hill
CEO & President
buy
$5,070
100 shares
+0%+26% from low-2% from high
35WeakAndrew J O'Neill
Vice President
buy
$60k
1,309 shares
+2%-
38WeakJohn C Hill
CEO & President
buy
$32k
700 shares
+1%-
39WeakJohn C Hill
CEO & President
buy
$37k
800 shares
+1%-
30WeakAndrew J O'Neill
Vice President
buy
$62k
1,354 shares
+2%-

Transactions

Every row filed, 28 in all.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Oct 6, 2026John C Hill
CEO & President
POpen-market purchase
Common Stock
+500$56.37$28k78,1015 d ago
Jun 26, 2026Leo Price Blackford
director
POpen-market purchase
Common Stock
+204$52.38$11k48,050Jun 30, 2026
Jun 26, 2026John C Hill
CEO & President
POpen-market purchase
Common Stock
+228$51.87$12k77,601Jun 30, 2026
Jun 26, 2026John C Hill
CEO & President
POpen-market purchase
Common Stockindirect: By children
+5$51.87$259906Jun 30, 2026
Jun 18, 2026Endeavor Foundation, Inc.
owner
GGift
Common Stock
-38,200--9,481,635Jun 23, 2026
May 19, 2026Endeavor Foundation, Inc.
owner
GGift
Common Stock
-19,000--9,519,835May 21, 2026
Apr 22, 2026Endeavor Foundation, Inc.
owner
GGift
Common Stock
-18,750--9,538,835Apr 24, 2026
Mar 26, 2026Endeavor Foundation, Inc.
owner
GGift
Common Stock
-20,160--9,557,585Mar 30, 2026
Feb 26, 2026Endeavor Foundation, Inc.
owner
GGift
Common Stock
-19,200--9,577,745Mar 2, 2026
Dec 29, 2025John C Hill
CEO & President
POpen-market purchase
Common Stock
+500$50.91$25k77,373Jan 6, 2026
Dec 29, 2025John C Hill
CEO & President
POpen-market purchase
Common Stock
+500$50.91$25k77,373Dec 30, 2025
Jun 27, 2025John C Hill
CEO & President
LSmall acquisition
Common Stock
+185$47.94$8,86973,177Nov 12, 2025
Nov 7, 2025John C Hill
CEO & President
POpen-market purchase
Common Stock
+100$50.70$5,07073,277Nov 12, 2025
Jun 27, 2025John C Hill
CEO & President
LSmall acquisition
Common Stockindirect: By Children
+4$47.94$192858Nov 12, 2025
Jul 31, 2025Endeavor Foundation, Inc.
owner
GGift
Common Stock
-41,200--9,367,039Aug 4, 2025
Feb 25, 2025Endeavor Foundation, Inc.
owner
GGift
Common Stock
-32,000--9,408,239Feb 26, 2025
Jan 6, 2025Andrew J O'Neill
Vice President
POpen-market purchase
Common Stock
+1,309$45.65$60k88,146Jan 8, 2025
Jan 6, 2025John C Hill
CEO & President
POpen-market purchase
Common Stock
+700$45.87$32k72,992Jan 8, 2025
Dec 5, 2024Endeavor Foundation, Inc.
owner
GGift
Common Stock
-42,500--9,237,234Dec 9, 2024
Nov 25, 2024Endeavor Foundation, Inc.
owner
GGift
Common Stock
-110,000--9,279,734Nov 26, 2024
Jun 26, 2024John C Hill
CEO & President
LSmall acquisition
Common Stock
+149$43.87$6,53768,696Nov 1, 2024
Oct 30, 2024John C Hill
CEO & President
POpen-market purchase
Common Stock
+600$46.71$28k69,296Nov 1, 2024
Jun 26, 2024John C Hill
CEO & President
LSmall acquisition
Common Stockindirect: By children
+3$43.87$132619Nov 1, 2024
Oct 30, 2024John C Hill
CEO & President
POpen-market purchase
Common Stockindirect: By children
+200$47.13$9,426819Nov 1, 2024
Jun 26, 2024Andrew J O'Neill
Vice President
LSmall acquisition
Common Stock
+197$43.87$8,64283,836Oct 25, 2024
Oct 24, 2024Andrew J O'Neill
Vice President
POpen-market purchase
Common Stock
+1,080$46.09$50k84,916Oct 25, 2024
Jun 26, 2024Andrew J O'Neill
Vice President
LSmall acquisition
Common Stockindirect: By child
+6$43.87$2631,206Oct 25, 2024
Oct 24, 2024Andrew J O'Neill
Vice President
POpen-market purchase
Common Stockindirect: By child
+274$46.09$13k1,480Oct 25, 2024

Insiders

Everyone who has filed a Form 4 here.

Questions about CET

Answered from the filings on this page, as of the latest one.

Are insiders buying CET?

As of Oct 8, 2026, SEC Form 4 filings show 1 open-market buy worth $28k by 1 insider and 0 open-market sells worth $0 by 0 insiders at CENTRAL SECURITIES CORP in the last 90 days, net +$28k. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.

Who was the last insider to trade CET on the open market?

John C Hill (CEO & President) bought $28k of CET on Oct 6, 2026 and filed the Form 4 on Oct 8, 2026. InsiderTell scored 25 (weak).

How many insiders file Form 4 at CENTRAL SECURITIES CORP?

4 people have filed a Form 4 at CENTRAL SECURITIES CORP, among them Leo Price Blackford (director), Endeavor Foundation, Inc. (10% owner), John C Hill (CEO & President). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

CET insider trading: CENTRAL SECURITIES CORP | InsiderTell