KRUMHOLZ MARLENE A (CIK 1209992) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-02-10). Recent activity: Buy CET (100 shares), Buy CET (2 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-10 | CENTRAL SECURITIES CORP (CET) | Vice President & Secretary | Buy | 100 | $4,760 |
| 2026-02-10 | CENTRAL SECURITIES CORP (CET) | Vice President & Secretary | Buy | 2 | $95 |
Source: SEC Form 4 filings · as of 2026-02-10