Form 4 Filing for MediaAlpha, Inc.

Eugene Nonko, a director at MediaAlpha, Inc., reported the sale of 1,067 shares of Class A Common Stock on September 21, 2026, for an average price of $10.536 per share, and another 1,067 shares on September 22, 2026, for an average price of $10.7874 per share. These sales were conducted under a Rule 10b5-1 trading plan to cover taxes from vested RSUs. Additionally, shares held indirectly through O.N.E. Holdings, LLC were sold: 6,667 shares on September 21, 2026, at an average price of $10.5319, and 6,667 shares on September 22, 2026, at an average price of $10.7776. Following these transactions, Nonko directly holds 800,821 shares and indirectly holds 854,550 shares.