144 0001100612 XXXXXXXX LIVE 0001595974 MAGNITE, INC. 001-36384 1250 BROADWAY 15TH FLOOR NEW YORK NY 10001 212-243-2769 BARRETT MICHAEL G. Officer Director Common Raymond James & Associates

880 Carillon Parkway St. Petersburg FL 33716

45000 799000.00 135574532 06/16/2025 NASDAQ COMMON 05/15/2020 RESTRICTED STOCK ISSUER N 45000 05/15/2020 N/A Y RAYMOND JAMES & ASSOCIATES RECEIVED FILING ON 6/17/2025. 06/17/2025 Maressia Rooks-Bailey, as duly authorized representative of Raymond James & Associates, Inc., as attorney-in-fact for Michael Barrett