Insider Transactions Reported by 15 Insiders of CENTRAL SECURITIES CORP

Symbol: CET on NYSE
Location: New York, NY

Key facts

CET - CENTRAL SECURITIES CORP has 15 insiders with reported activity on this page.
Net insider value flow over the last year: +$55,980.
Recent transaction rows are available for direct filing-level review.

Change

Buy value: $55,980; sell value: $0.
Net share flow: +1,100.

Research use

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to buying over the last 12 months. Net value: +$55,980.

Buys

$55,980

Shares: 1,100

Insiders: 1

Sells

Shares: 0

Insiders: 0

Net

+$55,980

Shares: +1,100

Insiders: 1

Window (months)	Buy shares	Buy $	Sell $	Net $
0-3	0	$0	$0	$0
3-6	1,000	$50,910	$0	+$50,910
6-9	100	$5,070	$0	+$5,070
9-12	0	$0	$0	$0

CENTRAL SECURITIES CORP executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
ENDEAVOR FOUNDATION, INC.	10%+ Owner	$472,755,006			Median	19 May 2026
Wilmot H. Kidd	Director	$100,469,437			Mixed	31 Dec 2025
Wilmot H. Kidd IV	Director	$15,819,897			Mixed	31 Dec 2025
Donald G. Calder	Director	$5,742,704			Mixed	31 Dec 2025
Andrew J. O'Neill	Vice President	$4,094,349			Mixed	06 Jan 2025
John C. Hill	CEO & President, Director	$3,984,781	+$55,980	+1.4%	Mixed	29 Dec 2025
L. Price Blackford	Director	$2,277,517			Mixed	31 Dec 2025
Simms C. Browning	Director	$1,177,790			Mixed	31 Dec 2025
David Charles Colander	Director	$1,110,002			Mixed	27 Jun 2022
Marlene A. Krumholz	Vice President & Secretary	$969,659			Mixed	31 Dec 2025
Jay R. Inglis	Director	$532,733			Mixed	16 Mar 2022
Lawrence P. Vogel	Vice President & Treasurer	$495,933			Mixed	31 Dec 2023
Joseph T. Malone	Vice President & Treasurer	$0			Mixed	01 Jun 2024
Jacob C. Wheelock	Vice President	$0			Mixed	10 Dec 2025
David M. Poppe	Director				Mixed	31 Dec 2025

Top shareholders of CENTRAL SECURITIES CORP (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
ENDEAVOR FOUNDATION, INC.	13D/G 3/4/5	10%+ Owner	32%	9,596,945	$486,661,081	+$7,946,561	31 Dec 2025	13D/G 3/4/5
Wilmot H. Kidd	3/4/5	Director	6.7%	1,981,255	$100,469,437	—	31 Dec 2025	3/4/5
Wilmot H. Kidd IV	3/4/5	Director	1.1%	311,968	$15,819,897	—	31 Dec 2025	3/4/5
Donald G. Calder	3/4/5	Director	0.38%	113,246	$5,742,704	—	31 Dec 2025	3/4/5
John C. Hill	3/4/5	CEO & President, Director	0.27%	78,274	$3,984,781	+$55,980	29 Dec 2025	3/4/5
L. Price Blackford	3/4/5	Director	0.16%	47,847	$2,277,517	—	31 Dec 2025	3/4/5
Simms C. Browning	3/4/5	Director	0.08%	23,226	$1,177,790	—	31 Dec 2025	3/4/5
Marlene A. Krumholz	3/4/5	Vice President & Secretary	0.07%	20,371	$969,659	—	31 Dec 2025	3/4/5
Rockefeller Capital Management L.P.	13F	Company	2.2%	658,232	$32,687,802	—	31 Mar 2026	13F
Bulldog Investors, LLP	13F	Company	1.3%	396,467	$19,688,551	—	31 Mar 2026	13F
BLUE BELL PRIVATE WEALTH MANAGEMENT, LLC	13F	Company	1.2%	349,922	$17,377,127	—	31 Mar 2026	13F
RAYMOND JAMES FINANCIAL INC	13F	Company	1%	300,106	$14,903,257	—	31 Mar 2026	13F
MORGAN STANLEY	13F	Company	0.69%	202,913	$10,076,660	—	31 Mar 2026	13F
1607 Capital Partners, LLC	13F	Company	0.64%	188,443	$9,358,079	—	31 Mar 2026	13F
BRASADA CAPITAL MANAGEMENT, LP	13F	Company	0.43%	126,070	$6,316,107	—	31 Mar 2026	13F
CHILTON INVESTMENT CO INC.	13F	Company	0.36%	107,162	$5,321,665	—	31 Mar 2026	13F
THIRD AVENUE MANAGEMENT LLC	13F	Company	0.34%	101,812	$5,055,984	—	31 Mar 2026	13F
Pathstone Holdings, LLC	13F	Company	0.31%	91,708	$4,554,232	—	31 Mar 2026	13F
Matisse Capital	13F	Company	0.22%	65,000	$3,227,900	—	31 Mar 2026	13F
Douglass Winthrop Advisors, LLC	13F	Company	0.2%	59,439	$2,951,741	—	31 Mar 2026	13F
FIRST TRUST ADVISORS LP	13F	Company	0.19%	57,564	$2,858,628	—	31 Mar 2026	13F
PINNACLE ASSOCIATES LTD	13F	Company	0.18%	52,590	$2,611,619	—	31 Mar 2026	13F
UBS Group AG	13F	Company	0.17%	51,649	$2,564,890	—	31 Mar 2026	13F
Colonial Trust Advisors	13F	Company	0.17%	50,542	$2,509,895	—	31 Mar 2026	13F
EVOLVE PRIVATE WEALTH, LLC	13F	Company	0.17%	49,597	$2,462,987	—	31 Mar 2026	13F
COHEN & STEERS, INC.	13F	Company	0.15%	44,000	$2,185,000	—	31 Mar 2026	13F
ROYAL BANK OF CANADA	13F	Company	0.15%	43,792	$2,174,000	—	31 Mar 2026	13F
Cetera Investment Advisers	13F	Company	0.15%	43,543	$2,162,349	—	31 Mar 2026	13F
CSS LLC/IL	13F	Company	0.14%	42,607	$2,115,864	—	31 Mar 2026	13F
Thomas J. Herzfeld Advisors, Inc.	13F	Company	0.12%	36,505	$1,812,840	—	31 Mar 2026	13F
ROBERTS GLORE & CO INC /IL/	13F	Company	0.12%	34,966	$1,736,412	—	31 Mar 2026	13F
LPL Financial LLC	13F	Company	0.11%	32,676	$1,622,702	—	31 Mar 2026	13F
Capital Investment Advisors, LLC	13F	Company	0.1%	30,855	$1,532,259	—	31 Mar 2026	13F
Integrated Wealth Concepts LLC	13F	Company	0.1%	30,580	$1,518,605	—	31 Mar 2026	13F
Steward Partners Investment Advisory, LLC	13F	Company	0.1%	29,391	$1,459,557	—	31 Mar 2026	13F
HighTower Advisors, LLC	13F	Company	0.1%	29,040	$1,442,108	—	31 Mar 2026	13F
Uncommon Cents Investing LLC	13F	Company	0.1%	28,735	$1,426,980	—	31 Mar 2026	13F
Shaker Financial Services, LLC	13F	Company	0.09%	25,119	$1,247,388	—	31 Mar 2026	13F
CALDWELL SUTTER CAPITAL, INC.	13F	Company	0.08%	24,264	$1,204,950	—	31 Mar 2026	13F
STIFEL FINANCIAL CORP	13F	Company	0.07%	21,900	$1,087,554	—	31 Mar 2026	13F
FFT WEALTH MANAGEMENT LLC	13F	Company	0.07%	21,596	$1,072,457	—	31 Mar 2026	13F
BROWN BROTHERS HARRIMAN & CO	13F	Company	0.06%	18,353	$911,410	—	31 Mar 2026	13F
Advisors Asset Management, Inc.	13F	Company	0.06%	17,091	$848,739	—	31 Mar 2026	13F
Institute for Wealth Management, LLC.	13F	Company	0.06%	16,394	$814,115	—	31 Mar 2026	13F
Kestra Advisory Services, LLC	13F	Company	0.05%	15,851	$787,172	—	31 Mar 2026	13F
Cambridge Investment Research Advisors, Inc.	13F	Company	0.05%	15,652	$777,000	—	31 Mar 2026	13F
S&CO INC	13F	Company	0.05%	15,469	$768,000	—	31 Mar 2026	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.05%	15,428	$766,157	—	31 Mar 2026	13F
MERCER GLOBAL ADVISORS INC /ADV	13F	Company	0.05%	14,741	$732,038	—	31 Mar 2026	13F
FIRST MANHATTAN CO. LLC.	13F	Company	0.05%	14,699	$729,940	—	31 Mar 2026	13F

Recent Insider Transactions by Companies or Individuals for CENTRAL SECURITIES CORP

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership
Endeavor Foundation, Inc.	CET	Common Stock	Gift	-0.2%			-19,000	9,519,835	19 May 2026	Direct
Endeavor Foundation, Inc.	CET	Common Stock	Gift	-0.2%			-18,750	9,538,835	22 Apr 2026	Direct
Endeavor Foundation, Inc.	CET	Common Stock	Gift	-0.21%			-20,160	9,557,585	26 Mar 2026	Direct
Endeavor Foundation, Inc.	CET	Common Stock	Gift	-0.2%			-19,200	9,577,745	26 Feb 2026	Direct
John C. Hill	CET	Common Stock	Purchase	0.65%	$25,455	$50.91	500	77,373	29 Dec 2025	Direct
John C. Hill	CET	Common Stock	Purchase	0.65%	$25,455	$50.91	500	77,373	29 Dec 2025	Direct
John C. Hill	CET	Common Stock	Purchase	0.14%	$5,070	$50.70	100	73,277	07 Nov 2025	Direct
Endeavor Foundation, Inc.	CET	Common Stock	Gift	-0.44%			-41,200	9,367,039	31 Jul 2025	Direct
David M. Poppe	CET	Common Stock	Small acquisition under Rule 16a-6				64	$15,634	30 Jun 2025	Direct
L. Price Blackford	CET	Common Stock	Small acquisition under Rule 16a-6	0.36%			171	47,847	27 Jun 2025	Direct
Marlene A. Krumholz	CET	Common Stock	Small acquisition under Rule 16a-6	0.43%			2	464	27 Jun 2025	By spouse
Marlene A. Krumholz	CET	Common Stock	Small acquisition under Rule 16a-6	0.5%			100	19,907	27 Jun 2025	Direct
John C. Hill	CET	Common Stock	Small acquisition under Rule 16a-6	0.47%			4	858	27 Jun 2025	By Children
John C. Hill	CET	Common Stock	Small acquisition under Rule 16a-6	0.25%			185	73,177	27 Jun 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.