🕵️ Mountain Lake Acquisition Corp. II ($MLAA)
SEC insider & ownership activity, last 12 months · CIK 2094265 · every row links its SEC filing
Over the last 12 months insiders bought $5.1M with no open-market selling against it. Grinberg Paul bought $5.1M in discretionary trades (Jan). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $5.1M (1 lots) · 0 sellers, $0 (0 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Grinberg Paul | 1 | $5.1M | 0 | – | Jan 28, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Paul Grinberg | 25.6% | 13D | Jan 28, 2026 | filing ↗ | |
| Douglas Horlick | 25.6% | 13D | Jan 28, 2026 | filing ↗ | |
| Mountain Lake Acquisition Sponsor II LLC | 25.6% | 13D | Jan 28, 2026 | filing ↗ | |
| Aristeia Capital, L.L.C. | 5.9% | 13G | May 14, 2026 | filing ↗ | |
| Adage Capital Management, L.P. | 5.7% | 13G | May 13, 2026 | filing ↗ | |
| Robert Atchinson | 5.7% | 13G | May 13, 2026 | filing ↗ | |
| Phillip Gross | 5.7% | 13G | May 13, 2026 | filing ↗ | |
| Magnetar Financial LLC | 5.4% | 13G | May 13, 2026 | filing ↗ | |
| Magnetar Capital Partners LP | 5.4% | 13G | May 13, 2026 | filing ↗ | |
| Supernova Management LLC | 5.4% | 13G | May 13, 2026 | filing ↗ | |
| David J. Snyderman | 5.4% | 13G | May 13, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Other events (8.01) | May 26, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 9, 2026 | filing ↗ |
| Other events (8.01) | Mar 18, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 18, 2026 | filing ↗ |
| Other events (8.01) | Jan 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 28, 2026 | filing ↗ |
| Material agreement (1.01) | Jan 26, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Jan 26, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Jan 26, 2026 | filing ↗ |
| Other events (8.01) | Jan 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 26, 2026 | filing ↗ |