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CENTRAL SECURITIES CORP

CET Net buying
CIK 0000018748 #5640 in the set updated 19 Sep 2026
Bought (120 mo)
$2.52M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$960.48
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$960.48
1 of 1 sales
Net
+$2.52M
+$2.52M against sales at will

By person

13 insiders · 73 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
O'Neill Andrew J
Vice President
$866.33K (25)
—
+$866.33K
90,602
$4.75M
+70.1%
Blackford Leo Price
Director
$630.45K (6)
—
+$630.45K
48,050
$2.52M
+93.9%
Hill John C
CEO & President
$367.37K (29)
—
+$367.37K
78,632
$4.12M
+109.8%
Poppe David Martin
Director
$336.92K (4)
—
+$336.92K
13,500
$707.13K
+800.0%
Colander David Charles
Director
$169.68K (1)
$960.48 (1)
+$168.72K
62,767
$3.29M
+21.6%
Browning Simms C
Director
$120.13K (5)
—
+$120.13K
23,226
$1.22M
+603.8%
CALDER DONALD G
Director
$17.68K (1)
—
+$17.68K
91,534
$4.79M
+4.2%
KRUMHOLZ MARLENE A
Vice President & Secretary
$13.94K (1)
—
+$13.94K
16,631
$871.13K
+68.5%
ENDEAVOR FOUNDATION, INC. entity
10% owner
—
—
—
9,450,785
$495.03M
−6.3%
Kidd Wilmot H IV
Director
—
—
—
309,925
$16.23M
+1.0%
WALKER C CARTER JR
Director
—
—
—
62,680
$3.28M
+0.8%
INGLIS JAY R
Director
—
—
—
15,156
$793.87K
+24.7%
VOGEL LAWRENCE P
Vice President & Treasurer
—
—
—
11,429
$598.65K
+60.2%

No percentages here. CENTRAL SECURITIES CORP reports its share count only per share class, which the XBRL frames API does not carry.

Individual transactions

72
Insider
Date
Role
Action
Shares
Price
Amount
Blackford Leo Price
26 Jun 2026
Director
Buy
204
$52.38
$10.69K
Hill John C
26 Jun 2026
CEO & President
Buy indirect
5
$51.87
$259.35
Hill John C
26 Jun 2026
CEO & President
Buy
228
$51.87
$11.83K
Hill John C
29 Dec 2025
CEO & President
Buy
500
$50.91
$25.46K
Hill John C
7 Nov 2025
CEO & President
Buy
100
$50.70
$5.07K
O'Neill Andrew J
6 Jan 2025
Vice President
Buy
1,309
$45.65
$59.76K
Hill John C
6 Jan 2025
CEO & President
Buy
700
$45.87
$32.11K
Hill John C
30 Oct 2024
CEO & President
Buy indirect
200
$47.13
$9.43K
Hill John C
30 Oct 2024
CEO & President
Buy
600
$46.71
$28.03K
O'Neill Andrew J
24 Oct 2024
Vice President
Buy indirect
274
$46.09
$12.63K
O'Neill Andrew J
24 Oct 2024
Vice President
Buy
1,080
$46.09
$49.78K
Hill John C
2 May 2024
CEO & President
Buy indirect
200
$40.82
$8.16K
Hill John C
2 May 2024
CEO & President
Buy
300
$40.77
$12.23K
O'Neill Andrew J
19 Apr 2024
Vice President
Buy
800
$40.13
$32.10K
Hill John C
18 Apr 2024
CEO and President
Buy indirect
200
$40.39
$8.08K
Hill John C
18 Apr 2024
CEO and President
Buy
200
$40.43
$8.09K
Hill John C
14 Mar 2024
CEO and President
Buy
300
$39.94
$11.98K
Hill John C
25 Oct 2023
CEO & President
Buy indirect
40
$35.15
$1.41K
Hill John C
25 Oct 2023
CEO & President
Buy
260
$35.15
$9.14K
Hill John C
20 Oct 2023
CEO & President
Buy
200
$35.51
$7.10K
O'Neill Andrew J
19 Oct 2023
Vice President
Buy
1,954
$35.80
$69.95K
O'Neill Andrew J
28 Jun 2023
Vice President
Buy indirect
7
$35.79
$250.53
O'Neill Andrew J
28 Jun 2023
Vice President
Buy
215
$35.79
$7.69K
Poppe David Martin
28 Mar 2023
Director
Buy
1,500
$34.06
$51.09K
Poppe David Martin
27 Mar 2023
Director
Buy
3,500
$34.24
$119.84K
Blackford Leo Price
6 Jan 2023
Director
Buy
1,000
$34.12
$34.12K
O'Neill Andrew J
28 Dec 2022
Vice President
Buy indirect
8
$33.25
$266.00
O'Neill Andrew J
28 Dec 2022
Vice President
Buy
2,388
$33.21
$79.31K
KRUMHOLZ MARLENE A
13 Dec 2022
Vice President & Secretary
Buy indirect
400
$34.84
$13.94K
Blackford Leo Price
22 Sep 2022
Director
Buy
2,000
$34.85
$69.70K
Hill John C
17 Aug 2021
President
Buy
100
$42.30
$4.23K
Browning Simms C
24 Mar 2021
Director
Buy
417
$37.25
$15.53K
Browning Simms C
16 Mar 2021
Director
Buy indirect
500
$37.25
$18.63K
Browning Simms C
16 Mar 2021
Director
Buy
1,051
$37.20
$39.10K
Browning Simms C
15 Mar 2021
Director
Buy indirect
308
$37.21
$11.46K
Browning Simms C
15 Mar 2021
Director
Buy
952
$37.20
$35.41K
O'Neill Andrew J
27 Jan 2021
Vice President
Buy
431
$33.64
$14.50K
O'Neill Andrew J
12 Jan 2021
Vice President
Buy indirect
1
$33.09
$33.09
O'Neill Andrew J
12 Jan 2021
Vice President
Buy
1,076
$33.07
$35.58K
O'Neill Andrew J
11 Jan 2021
Vice President
Buy
400
$33.12
$13.25K
Blackford Leo Price
10 Nov 2020
Director
Buy
5,000
$31.01
$155.05K
Hill John C
28 Oct 2020
President
Buy indirect
10
$28.22
$282.20
Hill John C
28 Oct 2020
President
Buy
100
$28.27
$2.83K
Hill John C
8 Sep 2020
President
Buy
400
$28.82
$11.53K
Hill John C
4 Sep 2020
President
Buy
400
$29.18
$11.67K
Colander David Charles
19 Mar 2020
Director
Buy indirect
8,000
$21.21
$169.68K
O'Neill Andrew J
18 Mar 2020
Vice President
Buy
1,500
$20.28
$30.42K
Hill John C
18 Mar 2020
President
Buy
1,000
$20.28
$20.28K
Hill John C
12 Mar 2020
President
Buy indirect
70
$25.30
$1.77K
Hill John C
12 Mar 2020
President
Buy
930
$25.29
$23.52K
CALDER DONALD G
12 Mar 2020
Director
Buy
700
$25.26
$17.68K
Hill John C
11 Mar 2020
President
Buy
700
$27.90
$19.53K
O'Neill Andrew J
9 Mar 2020
Vice President
Buy
615
$28.48
$17.52K
O'Neill Andrew J
9 Mar 2020
Vice President
Buy
600
$28.46
$17.08K
O'Neill Andrew J
6 Mar 2020
Vice President
Buy
579
$30.15
$17.46K
O'Neill Andrew J
5 Mar 2020
Vice President
Buy
1,866
$30.82
$57.51K
O'Neill Andrew J
3 Mar 2020
Vice President
Buy
2,000
$30.49
$60.98K
Hill John C
28 Feb 2020
President
Buy
700
$29.84
$20.89K
Hill John C
27 Feb 2020
President
Buy
700
$30.54
$21.38K
O'Neill Andrew J
21 Feb 2020
Vice President
Buy
2,000
$33.13
$66.26K
O'Neill Andrew J
20 Feb 2020
Vice President
Buy indirect
36
$33.15
$1.19K
O'Neill Andrew J
20 Feb 2020
Vice President
Buy
3,289
$33.14
$109.00K
Poppe David Martin
7 Feb 2020
Director
Buy
2,500
$33.27
$83.18K
Poppe David Martin
6 Feb 2020
Director
Buy
2,500
$33.13
$82.81K
Hill John C
28 Dec 2018
President
Buy
325
$24.59
$7.99K
Hill John C
21 Dec 2018
President
Buy
550
$24.54
$13.50K
Hill John C
20 Dec 2018
President
Buy
1,200
$24.68
$29.62K
O'Neill Andrew J
20 Dec 2018
Vice President
Buy
1,170
$24.53
$28.70K
O'Neill Andrew J
18 Dec 2018
Vice President
Buy
2,200
$25.14
$55.31K
Blackford Leo Price
8 Jun 2018
Director
Buy
7,000
$28.53
$199.72K
O'Neill Andrew J
2 Apr 2018
Vice President
Buy
1,129
$26.41
$29.82K
Blackford Leo Price
28 Sep 2016
Director
Buy
7,500
$21.49
$161.18K
Show all 73 transactions →

What was left out

Form 4 filings counted 126
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 1
Transactions with no price 0
Shares from compensation/vesting 770,786
Sales filed before the plan box existed 1
History held since 29 Sep 2016