Does the filing mention any non-reportable CET share transactions?

Yes. The explanation states that the reported holdings include shares received in a non-reportable transaction.

Central Securities insider John C. Hill buys 500 CET shares

Q: What insider transaction did CET report for John C. Hill?

Central Securities Corp reported that John C. Hill bought 500 shares of its common stock on 12/29/2025 in an open market purchase.

Q: At what price did John C. Hill buy Central Securities Corp (CET) shares?

He purchased the 500 shares of Central Securities Corp common stock at a price of $50.91 per share.

Q: How many CET shares does John C. Hill own after this transaction?

After the reported trade, John C. Hill beneficially owns 77,373 shares directly and 901 shares indirectly through his children.

Q: What is John C. Hill’s role at Central Securities Corp (CET)?

John C. Hill is a Director and an Officer of Central Securities Corp, serving as CEO & President.

Q: Is this CET Form 4/A filed by more than one reporting person?

No. The form indicates it is filed by one reporting person, namely John C. Hill.

Central Securities Corp12/29/2025, he purchased 500 shares of common stock at a price of $50.91 per share.

Accepted by SEC EDGAR 12/30/2025 - 04:37 PM EST

Filing Impact

(High)

Filing Sentiment

(Positive)How Sentiment works

Sentiment and the balance of points

Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.

How Sentiment works How the balance works

Form Type

4/A

Rhea-AI Filing Summary

Central Securities Corp12/29/2025, he purchased 500 shares of common stock at a price of $50.91 per share. Following this transaction, he beneficially owns 77,373 shares directly and 901 shares indirectly through his children. The filing notes that the total includes shares received in a non-reportable transaction.

Insider Trade Summary

Net Buyer: 500 shares

Net Buy 1 txn

Insider Hill John C

Role CEO & President

Bought 500 shs ($25K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	500	$50.91	$25K
Holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 77,373 shares (Direct); Common Stock — 901 shares (Indirect, By Children)

Footnotes (1)

F1. Shares owned include shares received in a non-reportable transaction.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did CET report for John C. Hill?

Central Securities Corp reported that John C. Hill bought 500 shares of its common stock on 12/29/2025 in an open market purchase.

At what price did John C. Hill buy Central Securities Corp (CET) shares?

He purchased the 500 shares of Central Securities Corp common stock at a price of $50.91 per share.

How many CET shares does John C. Hill own after this transaction?

After the reported trade, John C. Hill beneficially owns 77,373 shares directly and 901 shares indirectly through his children.

What is John C. Hill’s role at Central Securities Corp (CET)?

John C. Hill is a Director and an Officer of Central Securities Corp, serving as CEO & President.

Is this CET Form 4/A filed by more than one reporting person?

No. The form indicates it is filed by one reporting person, namely John C. Hill.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Hill John C

(Last)

(First)

(Middle)

630 FIFTH AVE

SUITE 820

(Street)

NEW YORK

10111

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
CENTRAL SECURITIES CORP [ CET ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	CEO & President

3. Date of Earliest Transaction (Month/Day/Year)
12/29/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)
12/30/2025

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	12/29/2025		P		500	A	$50.91	77,373⁽¹⁾	D
Common Stock								901⁽¹⁾	I	By Children

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Shares owned include shares received in a non-reportable transaction.

	/s/ John C. Hill	12/30/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR