Borg Bjarne Erik Siwert
SEC insider (Form 3/4/5 filer). CIK 0002061388. Director at RenX Enterprises Corp. (RENX) and 1 other issuer. 9 reported Form 4/5 transactions since Sep 2024; latest on Oct 13, 2026. Located in MIAMI, FL.
Companies Borg Bjarne Erik Siwert has filed insider reports for
- RenX Enterprises Corp. (RENX): Director
- JFB Construction Holdings (JFB): Director
Borg Bjarne Erik Siwert
CIK: 0002061388
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (9 total)
- Oct 13, 2026RENX
RenX Enterprises Corp.
AwardDirectStock Option
8.5K shares- - Jun 11, 2026RENX
RenX Enterprises Corp.
AwardIndirectWarrant
619.1K shares- - Jun 11, 2026RENX
RenX Enterprises Corp.
AwardIndirectSeries C Convertible Preferred Stock
7.2K shares- - Jan 16, 2026JFB
JFB Construction Holdings
AwardDirect10K shares- - Dec 22, 2025RENX
Safe & Green Development Corp
AwardDirectStock Option
80K shares- - Oct 13, 2025SGD
Safe & Green Development Corp
ConversionIndirect1.1M shares- - Sep 29, 2025SGD
Safe & Green Development Corp
AwardIndirectSeries A Convertible Preferred Stock
485.8K shares- - Sep 29, 2025SGD
Safe & Green Development Corp
DispositionIndirect485.8K shares- - Jun 30, 2025JFB
JFB Construction Holdings
AwardDirect10K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 13, 2026 |  RENX RenX Enterprises Corp. | Award Stock Option | 8,500 | - | - | Direct |
| Jun 11, 2026 | RENX RenX Enterprises Corp. | Award Warrant | 619,084 | - | - | Indirect |
| Jun 11, 2026 | RENX RenX Enterprises Corp. | Award Series C Convertible Preferred Stock | 7,169 | - | - | Indirect |
| Jan 16, 2026 |  JFB JFB Construction Holdings | Award | 10,000 | - | $0 | Direct |
| Dec 22, 2025 | RENX Safe & Green Development Corp | Award Stock Option | 80,000 | - | - | Direct |
| Oct 13, 2025 |  SGD Safe & Green Development Corp | Conversion | 1,090,002 | - | - | Indirect |
| Sep 29, 2025 | SGD Safe & Green Development Corp | Award Series A Convertible Preferred Stock | 485,766 | - | - | Indirect |
| Sep 29, 2025 | SGD Safe & Green Development Corp | Disposition | 485,766 | - | - | Indirect |
| Jun 30, 2025 | JFB JFB Construction Holdings | Award | 10,000 | - | - | Direct |
1-9 of 9 transactions