MAGNITE, INC.

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Ticker: MGNI
CIK: 0001595974
Exchange: Nasdaq
Universe updated: 2026-08-22

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Magnite promotes Gephart to CFO and Sullivan to CAO as Day retires

Magnite named Brian Gephart CFO and Haas Sullivan CAO effective October 1, 2026; Ex 99.1 says Gephart succeeds retiring CFO David Day. Gephart equity award $2.25M; Sullivan RSUs ~$600,000.

Published 09-22-2026 · Event 09-21-2026 · MGNI

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