0001415889-24-019672.txt : 20240717 0001415889-24-019672.hdr.sgml : 20240717 20240717162551 ACCESSION NUMBER: 0001415889-24-019672 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240715 FILED AS OF DATE: 20240717 DATE AS OF CHANGE: 20240717 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Day David CENTRAL INDEX KEY: 0001523288 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36384 FILM NUMBER: 241122536 MAIL ADDRESS: STREET 1: 21700 OXNARD STREET STREET 2: SUITE 1600 CITY: WOODLAND HILLS STATE: CA ZIP: 91367 ISSUER: 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 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 4 1 form4-07172024_080748.xml X0508 4 2024-07-15 0001595974 MAGNITE, INC. MGNI 0001523288 Day David C/O MAGNITE, INC. 1250 BROADWAY, 15TH FLOOR NEW YORK NY 10001 false true false false CHIEF FINANCIAL OFFICER 1 Common Stock 2024-07-15 4 S 0 19077 15 D 430755 D The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 14, 2023. /s/ Aaron Saltz, attorney-in-fact 2024-07-17