Form 4 Filing for MediaAlpha, Inc.

This filing details stock transactions by Eugene Nonko, a director at MediaAlpha, Inc. On March 15, 2026, Nonko acquired 174,450 shares of Class A Common Stock through restricted stock units (RSUs) granted under the company's incentive plan. These RSUs vest over time, with initial vesting on May 15, 2026. Subsequently, on March 16 and 17, 2026, Nonko sold a total of 4,745 shares of Class A Common Stock. These sales were executed under a Rule 10b5-1 trading plan, primarily to cover taxes associated with RSU vesting. The sales occurred at prices ranging from $10.00 to $10.01 per share. Additionally, indirect sales of 458 and 404 shares were made on March 16 and 17, 2026, respectively, from O.N.E. Holdings, LLC, also at prices between $10.00 and $10.01. The filing also notes the weighted-average sale price for multiple transactions and offers to provide specific pricing details upon request.