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: Grinberg Paul (Chief Executive Officer) Sell 478,010 shares, Marquez Michael J. (Director) Buy 9,112 shares, Horlick Douglas (CFO and President) Sell 478,010 shares, Vieser Jaime (Director) Sell 478,010 shares, Mountain Lake Acquisition Sponsor LLC (10% Owner) Sell 495,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-15 | Grinberg Paul | Chief Executive Officer | Sell | 478,010 | $0 |
| 2026-06-15 | Marquez Michael J. | Director | Buy | 9,112 | $0 |
| 2026-06-15 | Horlick Douglas | CFO and President | Sell | 478,010 | $0 |
| 2026-06-15 | Vieser Jaime | Director | Sell | 478,010 | $0 |
| 2026-06-15 | Mountain Lake Acquisition Sponsor LLC | 10% Owner | Sell | 495,000 | $0 |
| 2026-06-15 | Lager Jeffrey Todd | Director | Buy | 9,112 | $0 |
| 2026-06-15 | Marquez Michael J. | Director | Sell | 9,112 | $0 |
| 2026-06-15 | Lager Jeffrey Todd | Director | Sell | 9,112 | $0 |
Source: SEC Form 4 filings · as of 2026-06-15