 LOS ANGELES--BUSINESS WIRE--MediaAlpha, Inc. MediaAlpha today announced the pricing of its initial public offering of 9,250,000 shares of its Class A common stock at a price of 19.00 per share. Of those shares, MediaAlpha is selling 6,258,502 shares and an affiliate of White Mountains NYSE: WTM is selling 2,991,498 shares as the selling stockholder. Insignia Capital Group is also selling a portion of its equity interests in the MediaAlpha business in connection with the transaction. Th 