Calderon Ruben (CIK 2061362) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-12-10). Recent activity: Buy JFB (1,550 shares), Buy JFB (25,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-12-10 | JFB Construction Holdings (JFB) | Chief Financial Officer | Buy | 1,550 | $29,016 |
| 2025-08-20 | JFB Construction Holdings (JFB) | Chief Financial Officer | Buy | 25,000 | $0 |
Source: SEC Form 4 filings · as of 2025-12-10