0001231919-23-000057.txt : 20230824 0001231919-23-000057.hdr.sgml : 20230824 20230824163527 ACCESSION NUMBER: 0001231919-23-000057 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230824 DATE AS OF CHANGE: 20230824 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: MAGNITE, INC. CENTRAL INDEX KEY: 0001595974 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370] 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: 231202618 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: Evans Katie Seitz CENTRAL INDEX KEY: 0001700262 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O TREMOR VIDEO, INC. STREET 2: 1501 BROADWAY, SUITE 801 CITY: NEW YORK STATE: NY ZIP: 10036 144 1 primary_doc.xml 144 0001700262 XXXXXXXX LIVE 0001595974 MAGNITE, INC. 001-36384 1250 BROADWAY 15TH FLOOR NEW YORK NY 10001 212-243-2769 Evans Katie Seitz Officer Common ETrade Financial Corporation

3 Edison Drive Alpharetta GA 30005

7038 58485.78 136958660 08/16/2023 NASDAQ Common 08/15/2023 Restricted Stock Unit - See Remarks Magnite, Inc. N 7038 08/15/2023 Equity Compensation N Katie Seitz Evans

c/o Magnite, Inc. 1250 Broadway, 15th Floor New York NY 10001

Common 07/11/2023 17774 266610.00 Katie Seitz Evans

c/o Magnite, Inc. 1250 Broadway, 15th Floor New York NY 10001

Common 06/12/2023 11098 149051.40 Shares sold to cover tax obligation from settlement of vested Restricted Stock Units. 08/24/2023 /s/ Katie Seitz Evans