SCHEDULE 13D/A

MediaAlpha Inc

Class A Common Stock, par value $0.01 per share · CUSIP: 58450V104

Event date: 2025-02-26

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

• Eugene NonkoReported CIK 0001830016

  Shares: 5,996,864.00 · Class: 10.8%

• O.N.E. Holdings, LLC

  Shares: 5,673,571.00 · Class: 10.2%

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