0001950047-25-005655.txt : 20250812 0001950047-25-005655.hdr.sgml : 20250812 20250812160645 ACCESSION NUMBER: 0001950047-25-005655 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20250812 DATE AS OF CHANGE: 20250812 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: 251206662 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: Lam Rachel CENTRAL INDEX KEY: 0001579232 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O PORCH GROUP STREET 2: 411 1ST AVENUE SOUTH, SUITE 501 CITY: SEATTLE STATE: WA ZIP: 98104 144 1 primary_doc.xml 144 0001579232 XXXXXXXX LIVE 0001595974 MAGNITE, INC. 001-36384 1250 Broadway, 15th Floor New York NY 10001 (212) 243-2769 RACHEL LAM Director Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

15000 333685.50 142399305 08/12/2025 NASDAQ Common 06/28/2021 Restricted Stock Issuer N 15000 06/28/2021 Not Applicable Y 08/12/2025 /s/ Rachel Lam