Magnite, Inc. filed 3 current reports with the SEC under Item 5.02, which covers directors and officers leaving or being appointed, the latest on 2026-09-21. Between them they name 2 people. Each change below is quoted from the filing and linked to it.
Every change, newest first
Appointed: Brian Gephart, Chief Financial Officer, effective 2026-10-01
On September 18, 2026, Magnite, Inc. (the "Company") appointed Brian Gephart as the Company's Chief Financial Officer ("CFO"), effective October 1, 2026, in which capacity he will serve as principal financial officer.
Appointed: Haas Sullivan, Chief Accounting Officer, effective 2026-10-01
On September 18, 2026, the Company appointed Haas Sullivan as the Company's Chief Accounting Officer ("CAO"), effective October 1, 2026, in which capacity he will serve as principal accounting officer.
Reported
On April 20, 2026, Magnite, Inc. (the "Company") announced that David Day plans to retire as the Company's Chief Financial Officer.
Reported
On April 7, 2026, Magnite, Inc. (the "Company") announced that Adam Soroca would cease serving as the Company's Chief Product Officer, effective April 8, 2026.
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Where this comes from
A public company must file a current report on Form 8-K with the SEC within four business days when a director leaves or is elected, or when its chief executive, chief financial, chief accounting or chief operating officer, or another named executive, departs or is appointed. That disclosure goes under Item 5.02 of the report.
Every change on this page is taken from one of those filings and quoted in the company's own words, with a link to the filing, so it can be checked at the source. Where a filing names the person, the role and the date a change takes effect, they are shown beside the quote. Where it does not, the quote stands on its own. A filing states what changed; it rarely states why, and neither does this page.