0001974078-25-000193.txt : 20250623 0001974078-25-000193.hdr.sgml : 20250623 20250623171659 ACCESSION NUMBER: 0001974078-25-000193 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20250623 DATE AS OF CHANGE: 20250623 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: MAGNITE, INC. CENTRAL INDEX KEY: 0001595974 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370] ORGANIZATION NAME: 06 Technology EIN: 208881738 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-36384 FILM NUMBER: 251065893 BUSINESS ADDRESS: STREET 1: 1250 BROADWAY STREET 2: 15TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10001 BUSINESS PHONE: 212-243-2769 MAIL ADDRESS: STREET 1: 1250 BROADWAY STREET 2: 15TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10001 FORMER COMPANY: FORMER CONFORMED NAME: RUBICON PROJECT, INC. DATE OF NAME CHANGE: 20140106 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: BARRETT MICHAEL G. CENTRAL INDEX KEY: 0001100612 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 BUSINESS ADDRESS: BUSINESS PHONE: 310-207-0272 MAIL ADDRESS: STREET 1: C/O THE RUBICON PROJECT, INC. STREET 2: 12181 BLUFF CREEK DRIVE, 4TH FLOOR CITY: PLAYA VISTA STATE: CA ZIP: 90094 FORMER COMPANY: FORMER CONFORMED NAME: BARRETT MICHAEL DATE OF NAME CHANGE: 19991207 144 1 primary_doc.xml 144 0001100612 XXXXXXXX LIVE 0001595974 MAGNITE, INC. 001-36384 1250 BROADWAY 15TH FLOOR NEW YORK FL 10001 212-243-2769 BARRETT MICHAEL G. Officer Director Common Raymond James & Associates, Inc.

880 Carillon Parkway St. Petersburg FL 33716

30000 570000.00 135574532 06/18/2025 Nasdaq Common 05/15/2020 Restricted Stock Issuer N 30000 05/15/2020 N/A N Michael Barrett

1250 Broadway 15th Floor New York NY 10001

Common 06/16/2025 45000 799000.00 Form received late 06/20/2025 Tracey Cornelison, as duly authorized representative of Raymond James & Associates, Inc., as attorney-in-fact for Michael G. Barrett