CET

CENTRAL SECURITIES CORP

NYSE

Total Trades

19

Buys

18

Sells

1

Largest Trade

$100K–$500K

Insiders

6

Institutional Funds

80

Inst. Value

$1M+

Activist Filings

3

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Hill John CCEO & PresidentBUY$15K–$50K500$50.91Jan 6, 2026
Hill John CCEO & PresidentBUY$1K–$15K100$50.70Nov 12, 2025
Hill John CCEO & PresidentBUY$15K–$50K700$45.87Jan 8, 2025
O'Neill Andrew JVice PresidentBUY$50K–$100K1K$45.65Jan 8, 2025
Hill John CCEO & PresidentBUY$15K–$50K800$46.81Nov 1, 2024
O'Neill Andrew JVice PresidentBUY$50K–$100K1K$46.09Oct 25, 2024
Hill John CCEO & PresidentBUY$15K–$50K500$40.79May 2, 2024
O'Neill Andrew JVice PresidentBUY$15K–$50K800$40.13Apr 22, 2024
Hill John CCEO and PresidentBUY$15K–$50K400$40.41Apr 19, 2024
Hill John CCEO & PresidentBUY$1K–$15K300$35.15Oct 26, 2023
Hill John CCEO & PresidentBUY$1K–$15K200$35.51Oct 24, 2023
O'Neill Andrew JVice PresidentBUY$50K–$100K2K$35.80Oct 20, 2023
O'Neill Andrew JVice PresidentBUY$1K–$15K222$35.79Jun 29, 2023
Poppe David MartinDirectorBUY$100K–$500K5K$34.19Mar 29, 2023
Colander David CharlesDirectorSELL<$1K29$33.12Jan 11, 2023
Blackford Leo PriceDirectorBUY$15K–$50K1K$34.12Jan 9, 2023
O'Neill Andrew JVice PresidentBUY$50K–$100K2K$33.21Dec 29, 2022
KRUMHOLZ MARLENE AVice President & S…BUY$1K–$15K400$34.84Dec 14, 2022
Blackford Leo PriceDirectorBUY$50K–$100K2K$34.85Sep 23, 2022
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Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

ENDEAVOR FOUNDATION, INC.

SC 13G/A · Feb 11, 2026

32.5%

9.6M shares

Endeavor Foundation, Inc.

SC 13G/A · Feb 7, 2025

32.6%

9.4M shares

The Endeavor Foundation, Inc.

SC 13G/A · Feb 9, 2023

33.7%

9.4M shares

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