X0508 4 2025-11-15 0 0001818383 MediaAlpha, Inc. MAX 0001830016 Nonko Eugene C/O MEDIAALPHA, INC. 700 SOUTH FLOWER STREET, SUITE 640 LOS ANGELES CA 90017 1 0 0 0 0 Class A Common Stock 2025-11-15 4 M 0 18294 0 A 1127848 D Restricted Stock Units 2025-11-15 4 M 0 18294 0 D Class A Common Stock 18294 18294 D One share of Class A Common Stock was issued upon the vesting of each Restricted Stock Unit ("RSU"). Each RSU represents a contingent right to receive one share of Class A Common Stock, or at the option of the Compensation Committee, cash of equivalent value. One sixteenth of the RSUs vested on May 15, 2022 and the remainder will vest in equal quarterly installments through February 15, 2026, in each case subject to continued employment with the Issuer through each vesting date. /s/ Jeffrey B. Coyne 2025-11-18