MediaAlpha Director Eugene Nonko Sells 23,202 Shares Under 10b5-1 Plan

MediaAlpha, Inc. director Eugene Nonko filed a Form 4 disclosing sales of 23,202 shares of Class A Common Stock over two days in June 2026. The transactions were executed under a pre-established Rule 10b5-1 trading plan primarily to cover taxes from RSU vesting. Nonko directly sold 3,201 shares (2,134 at $10.0014 on June 16 and 1,067 at $10.00 on June 17) and indirectly sold 20,001 shares through O.N.E. Holdings, LLC (13,334 at $10.0011 on June 16 and 6,667 at $10.0072 on June 17). Following these sales, Nonko's direct holdings decreased to 953,373 shares and indirect holdings decreased to 1,207,272 shares. The sales occurred at weighted-average prices ranging from $10.00 to $10.0072 per share, with actual transaction prices varying within narrow ranges as detailed in footnotes.