🕵️ Yorkville Acquisition Corp. ($MCGA)
SEC insider & ownership activity, last 12 months · CIK 2064658 · every row links its SEC filing
Insiders were quiet over the last 12 months – no open-market buys or sells. No red-flag 8-Ks in the window.
Insider flow
0 buyers, $0 (0 lots) · 0 sellers, $0 (0 lots)
No open-market insider transactions in the last 12 months.
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| YA II PN, Ltd. | 25.9% | 13D | Jun 26, 2025 | filing ↗ | |
| YA Global Investments II (U.S.), LP | 25.9% | 13D | Jun 26, 2025 | filing ↗ | |
| Yorkville Advisors Global, LP | 25.9% | 13D | Jun 26, 2025 | filing ↗ | |
| Yorkville Advisors Global II, LLC | 25.9% | 13D | Jun 26, 2025 | filing ↗ | |
| YAII GP, LP | 25.9% | 13D | Jun 26, 2025 | filing ↗ | |
| YAII GP II, LLC | 25.9% | 13D | Jun 26, 2025 | filing ↗ | |
| Mark Angelo | 25.9% | 13D | Jun 26, 2025 | filing ↗ | |
| SC-Sigma Global Partners, LP | 25.9% | 13D | Jun 26, 2025 | filing ↗ | |
| Yorkville Acquisition Sponsor LLC | 25.9% | 13D | Jun 26, 2025 | filing ↗ | |
| W.r. Berkley Corporation | 9.2% | 13G | May 8, 2026 | filing ↗ | |
| Berkley Insurance Company | 9.2% | 13G | May 8, 2026 | filing ↗ | |
| Mizuho Financial Group, Inc. | 8.8% | 13G | Aug 13, 2026 | filing ↗ | |
| Meteora Capital, LLC | 6.0% | 13G | Aug 14, 2025 | filing ↗ | |
| Decagon Asset Management LLP | 5.8% | 13G | Nov 20, 2025 | filing ↗ | |
| Benjamin John Durham | 5.8% | 13G | Nov 20, 2025 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Agreement terminated (1.02) | Aug 7, 2026 | filing ↗ |
| Other events (8.01) | Aug 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 7, 2026 | filing ↗ |
| Material agreement (1.01) | May 4, 2026 | filing ↗ |
| New financial obligation (2.03) | May 4, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | May 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 4, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 22, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 11, 2026 | filing ↗ |
| New financial obligation (2.03) | Feb 11, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Feb 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 11, 2026 | filing ↗ |
| Officer/director changes (5.02) | Dec 30, 2025 | filing ↗ |