Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2022-12-13 Purchase |
2022-12-14 5:03 pm |
CENTRAL SECURITIES CORP | CET | KRUMHOLZ MARLENE A Vice President & Secretary |
400 | $34.84 | $13,936 | 16,631 (Indirect Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2024-06-26 Ownership |
2025-01-30 12:53 pm |
N/A N/A |
CENTRAL SECURITIES CORP | CET | KRUMHOLZ MARLENE A Vice President & Secretary |
27 | $43.89 | 19,316 (Direct) |
View |
2023-06-27 Ownership |
2024-02-02 09:07 am |
N/A N/A |
CENTRAL SECURITIES CORP | CET | KRUMHOLZ MARLENE A Vice President & Secretary |
32 | $35.48 | 18,488 (Direct) |
View |
Ownership |
2023-02-06 12:18 pm |
N/A N/A |
CENTRAL SECURITIES CORP | CET | KRUMHOLZ MARLENE A Vice President & Secretary |
0 | $0 | 17,663 (Direct) |
View |
2022-06-24 Acquisition |
2022-12-14 5:03 pm |
N/A N/A |
CENTRAL SECURITIES CORP | CET | KRUMHOLZ MARLENE A Vice President & Secretary |
28 | $34.85 | 16,631 (Direct) |
View |
Ownership |
2022-02-04 1:45 pm |
N/A N/A |
CENTRAL SECURITIES CORP | CET | KRUMHOLZ MARLENE A Vice President & Secretary |
0 | $0 | 16,203 (Direct) |
View |
2021-12-14 Tax Withholding |
2021-12-16 11:03 am |
N/A N/A |
CENTRAL SECURITIES CORP | CET | KRUMHOLZ MARLENE A Vice President & Secretary |
333 | $41.31 | 14,938 (Direct) |
View |
2021-12-14 Option Award |
2021-12-16 11:03 am |
N/A N/A |
CENTRAL SECURITIES CORP | CET | KRUMHOLZ MARLENE A Vice President & Secretary |
1,000 | $41.31 | 14,938 (Direct) |
View |
Ownership |
2021-02-04 10:31 am |
N/A N/A |
CENTRAL SECURITIES CORP | CET | KRUMHOLZ MARLENE A Vice President & Secretary |
0 | $0 | 14,271 (Direct) |
View |
2020-12-16 Tax Withholding |
2020-12-18 11:29 am |
N/A N/A |
CENTRAL SECURITIES CORP | CET | KRUMHOLZ MARLENE A Vice President & Secretary |
339 | $31.68 | 13,643 (Direct) |
View |
2020-12-16 Option Award |
2020-12-18 11:29 am |
N/A N/A |
CENTRAL SECURITIES CORP | CET | KRUMHOLZ MARLENE A Vice President & Secretary |
1,000 | $31.68 | 13,643 (Direct) |
View |