Magnite promotes Brian Gephart to CFO, Haas Sullivan to CAO, effective Oct 1, 2026

MAGNITE, INC.

Brian Gephart, CAO since June 2021, becomes CFO on Oct 1, 2026, succeeding retiring David Day (10-year tenure).
Gephart receives equity award worth $2.25M: 70% RSUs ($1.575M) vesting over 4 years with 1-year cliff; 30% PSUs ($675k) granted in 2027.
Haas Sullivan, VP of Accounting since April 2020, becomes CAO on Oct 1, 2026; gets RSUs valued at ~$600k, 4-year vest, 1-year cliff.
Both appointments trigger amended or new Executive Severance Agreements; Gephart gets 12-month severance terms, Sullivan 3-month (6-month on sale).
Prior roles: Gephart was CFO of Leaf Group; Sullivan held VP Accounting at Magnite and audit at Deloitte.

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