0001415889-25-017035.txt : 20250612 0001415889-25-017035.hdr.sgml : 20250612 20250612175608 ACCESSION NUMBER: 0001415889-25-017035 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250610 FILED AS OF DATE: 20250612 DATE AS OF CHANGE: 20250612 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Spillane Robert F CENTRAL INDEX KEY: 0001603808 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36384 FILM NUMBER: 251044099 MAIL ADDRESS: STREET 1: 12181 BLUFF CREEK DRIVE STREET 2: 4TH FLOOR CITY: LOS ANGELES STATE: MA ZIP: 90094 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 EIN: 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 form4-06122025_090605.xml X0508 4 2025-06-10 0001595974 MAGNITE, INC. MGNI 0001603808 Spillane Robert F C/O MAGNITE, INC. 1250 BROADWAY, 15TH FLOOR NEW YORK NY 10001 true false false false 0 Common Stock 2025-06-10 4 S 0 15000 17.57 D 66417 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.57 to $17.585, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. /s/ Aaron Saltz, attorney-in-fact 2025-06-12