0001950047-24-003885.txt : 20240517 0001950047-24-003885.hdr.sgml : 20240517 20240517165508 ACCESSION NUMBER: 0001950047-24-003885 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240517 DATE AS OF CHANGE: 20240517 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 IRS NUMBER: 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: 24960803 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: Soroca Adam Lee CENTRAL INDEX KEY: 0001725125 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O THE RUBICON PROJECT, INC. STREET 2: 12181 BLUFF CREEK DR., 4TH FLOOR CITY: PLAYA VISTA STATE: CA ZIP: 90094 144 1 primary_doc.xml 144 0001725125 XXXXXXXX LIVE 0001595974 MAGNITE, INC. 001-36384 1250 Broadway, 15th Floor New York NY 10001 (212) 243-2769 ADAM L SOROCA Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

10597 130343.10 140023657 05/17/2024 NASDAQ COMMON 05/15/2024 Restricted Stock ISSUER N 10597 05/15/2024 Not Applicable N ADAM L SOROCA

1250 Broadway, 15th Floor New York NY 10001

Common 05/16/2024 23453 281436.00 ADAM L SOROCA

1250 Broadway, 15th Floor New York NY 10001

Common 03/14/2024 17245 195147.87 05/17/2024 12/14/2023 /s/ Adam Lee Soroca