SCHEDULE 13G

MNTN Inc

Class A Common Stock, par value $0.0001 · CUSIP: 55318A108

Event date: 2025-06-30

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Greycroft Partners II, L.P.

  Shares: 2,482,044.00 · Class: 5.4%

• Greycroft Managers II, LLC

  Shares: 2,482,044.00 · Class: 5.4%

• Greycroft Growth III, L.P.

  Shares: 2,125,913.00 · Class: 4.6%

• Greycroft Growth III, LLC

  Shares: 2,125,913.00 · Class: 4.6%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.