Borg Bjarne Erik Siwert (CIK 2061388) reported 4 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-03-02). Recent activity: Buy JFB (10,000 shares), Buy SGD (1.1M shares), Sell SGD (485,766 shares), Buy JFB (10,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-02 | JFB Construction Holdings (JFB) | Director | Buy | 10,000 | $0 |
| 2025-10-22 | Safe & Green Development Corp (SGD) | Director | Buy | 1.1M | $0 |
| 2025-10-02 | Safe & Green Development Corp (SGD) | Director | Sell | 485,766 | $0 |
| 2025-08-20 | JFB Construction Holdings (JFB) | Director | Buy | 10,000 | $0 |
Source: SEC Form 4 filings · as of 2026-03-02