MediaAlpha Director Eugene Nonko Sells 77,307 Shares via Rule 10b5-1 Plan

This SEC Form 4 filing reports that Eugene Nonko, a director of MediaAlpha, Inc. (MAX), sold a total of 77,307 shares of Class A Common Stock over three consecutive days from July 6-8, 2026. The sales were executed pursuant to a pre-established Rule 10b5-1 trading plan primarily to cover taxes resulting from the vesting of RSUs. Nonko sold 33,226 shares directly and 44,081 shares indirectly through O.N.E. Holdings, LLC. The sales occurred at weighted-average prices ranging from $13.6093 to $14.0841 per share. Following these transactions, Nonko's direct ownership decreased to 907,100 shares, while his indirect ownership through O.N.E. Holdings, LLC stood at 1,119,575 shares. Rule 10b5-1 plans allow insiders to establish pre-arranged trading plans to avoid accusations of trading on material non-public information.