6 insiders reported 8 Form 4 transactions for Mountain Lake Acquisition Corp. (MLAC) over the past 18 months (most recent 2026-06-15). Recent activity: Marquez Michael J. (Director) Buy 9,112 shares, Mountain Lake Acquisition Sponsor LLC (10% Owner) Sell 495,000 shares, Vieser Jaime (Director) Sell 478,010 shares, Grinberg Paul (Chief Executive Officer) Sell 478,010 shares, Horlick Douglas (CFO and President) Sell 478,010 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-15 | Marquez Michael J. | Director | Buy | 9,112 | $0 |
| 2026-06-15 | Mountain Lake Acquisition Sponsor LLC | 10% Owner | Sell | 495,000 | $0 |
| 2026-06-15 | Vieser Jaime | Director | Sell | 478,010 | $0 |
| 2026-06-15 | Grinberg Paul | Chief Executive Officer | Sell | 478,010 | $0 |
| 2026-06-15 | Horlick Douglas | CFO and President | Sell | 478,010 | $0 |
| 2026-06-15 | Marquez Michael J. | Director | Sell | 9,112 | $0 |
| 2026-06-15 | Lager Jeffrey Todd | Director | Buy | 9,112 | $0 |
| 2026-06-15 | Lager Jeffrey Todd | Director | Sell | 9,112 | $0 |
Source: SEC Form 4 filings · as of 2026-06-15