Magnite, Inc.

MGNI·NASDAQ·$13.29Share Price as of 11/2·$2BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/05/26 10-QQ1 ended 03/31/2605/06/26 10-KFY 202502/25/26 10-QQ3 ended 09/30/2511/05/25 10-QQ2 ended 06/30/2508/06/25

Disclosures

8-KEntry into Material Agreement; Regulation FD Disclosure10/07/26 8-KChange in Directors or Officers09/21/26 8-KResults of Operations08/05/26 8-KCurrent report06/11/26 8-KResults of Operations05/06/26

Prospectuses and Registrations

S-8Registration of securities for employees03/02/22 POS AMPost-effective amendment06/23/21 S-8Registration of securities for employees04/09/20 424B3Prospectus03/23/20 424B3Prospectus02/13/20

Proxies

DEF 14ADefinitive proxy04/21/26 DEFA14AAdditional proxy materials04/21/26 DEF 14ADefinitive proxy04/16/25 DEFA14AAdditional proxy materials04/16/25 DEF 14ADefinitive proxy04/26/24

Ownership

Form 4Insider transaction10/14/26 Form 3Initial insider ownership10/02/26 Form 4Insider transaction10/02/26 Form 4Insider transaction10/02/26 Form 4Insider transaction09/18/26

Other

ARSAnnual report to shareholders04/21/26 ARSAnnual report to shareholders04/16/25 ARSAnnual report to shareholders04/26/24 UPLOADLetter from the SEC06/14/23 CORRESPCorrespondence with the SEC05/31/23