---
schema_version: "secwatch.filing_event.v1"
accession: "0001595974-24-000045"
form_type: "8-K"
ticker: "MGNI"
cik: "0001595974"
company_name: "MAGNITE, INC."
filed_at: "2024-12-12T23:59:59+00:00"
generated_at: "2026-05-29T04:06:04.368554+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Magnite appoints Sean Buckley as President, Revenue and Katie Evans as President, Operations

## Summary
- Appointed Sean Buckley as President, Revenue (effective Dec 11, 2024); previously CRO since Jan 2022.
- Appointed Katie Evans as President, Operations; previously COO since Sep 2020.
- Buckley previously served as COO of SpotX before Magnite acquisition in May 2021.
- Evans previously served as COO of Telaria before Magnite acquisition in April 2020.

## SEC filing metadata
- accession: 0001595974-24-000045
- form_type: 8-K
- ticker: MGNI
- cik: 0001595974
- company_name: MAGNITE, INC.
- filed_at: 2024-12-12T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1595974/000159597424000045/0001595974-24-000045-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1595974/000159597424000045/mgni-20241211.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001595974-24-000045
- JSON: https://secwatch.observer/filing/0001595974-24-000045.json
- Plain text: https://secwatch.observer/filing/0001595974-24-000045.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.
