# MAGNITE, INC.

> Alpha governed public record. Unknown, unavailable, and unpublished values are never inferred as zero.

## Record

| Field | Value |
| --- | --- |
| Representation | alpha-profile-markdown-v4 |
| Protocol | Alpha Governance Facts Protocol 0.1 |
| Schema | alpha.governance.entity.public.v1 |
| Record version | public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce |
| Governance record representation | alpha-governance-record-v2 |
| Canonical entity | alpha:company:b9366ce1-9732-4b77-8982-680838427a7f |
| Entity type | Company |
| Canonical URL | https://registry.alpha.ac/companies/magnite-inc |
| Publication | PUBLISHED |
| Verification | source_reported |
| Verification schema | alpha-verification-states-v1 |
| Ownership | unclaimed |
| Published claims | 22 |
| Claims under review | 1 |
| Evidence records | 3 |
| Conflicts | 0 |
| Conflicts in internal review | 0 |
| Observed | 2026-10-16T04:45:52.247664+00:00 |
| Last reviewed | 2026-10-16T04:45:52.247664+00:00 |

## Identity

- Legal name: MAGNITE, INC.
- Display name: MAGNITE, INC.

## Alpha Governance Record

| Field | Value |
| --- | --- |
| Governance Record schema | alpha-governance-record-v2 |
| Ontology | alpha-governance-ontology-v1 |
| Record version | public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce |
| As of | 2026-10-16T10:00:57.316982+00:00 |
| Completeness | 0.364 |
| Record Quality | 0.829 |
| Directors | 11 |
| Committees | 0 |
| Governance events | 8 |
| Entity class | public_company |

## Section coverage

| Section | State |
| --- | --- |
| identity | PUBLISHED |
| corporate_structure | NOT_REVIEWED |
| board | PUBLISHED |
| committees | NOT_REVIEWED |
| leadership | PUBLISHED |
| ownership | NOT_REVIEWED |
| financials | NOT_REVIEWED |
| capital_structure | PUBLISHED |
| compensation | NOT_REVIEWED |
| governance | NOT_REVIEWED |
| shareholder_governance | NOT_REVIEWED |
| audit | NOT_REVIEWED |
| legal | NOT_REVIEWED |
| risk | NOT_REVIEWED |
| cyber | NOT_REVIEWED |
| ai_governance | NOT_REVIEWED |
| agent_governance | RESTRICTED |
| markets_external | NOT_REVIEWED |
| events | PUBLISHED |
| relationships | PUBLISHED |
| assessments | PUBLISHED |
| evidence | PUBLISHED |

## Board

- David Pearson: Director. Status: current. Independent: NOT_PUBLISHED. Since: 2022-01-01. claim_id=alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:6
- Diane Yu: Director. Status: current. Independent: NOT_PUBLISHED. Since: 2022-01-01. claim_id=alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:7
- Doug Knopper: Director. Status: current. Independent: NOT_PUBLISHED. Since: 2020-01-01. claim_id=alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:8
- James Rossman: Director. Status: current. Independent: NOT_PUBLISHED. Since: 2020-01-01. claim_id=alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:9
- Katie Evans: Director. Status: current. Independent: NOT_PUBLISHED. Since: 2026-04-21. claim_id=alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:10
- Rachel Lam: Director. Status: current. Independent: NOT_PUBLISHED. Since: 2020-01-01. claim_id=alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:12
- Sarah P. Harden: Director. Status: current. Independent: NOT_PUBLISHED. Since: 2019-01-01. claim_id=alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:14
- Sean Buckley: Director. Status: current. Independent: NOT_PUBLISHED. Since: 2026-04-21. claim_id=alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:15
- Michael G. Barrett: Chief Executive Officer and Director. Status: unknown. Independent: false. Since: NOT_PUBLISHED. claim_id=alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:11
- Paul Caine: Chairman of the Board. Status: unknown. Independent: true. Since: NOT_PUBLISHED. claim_id=alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:5
- Robert F. Spillane: Director. Status: unknown. Independent: true. Since: NOT_PUBLISHED. claim_id=alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:13

## Executive leadership

- Aaron Saltz: Chief Legal Officer [GC]. Status: unknown. claim_id=alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:16
- Brian Gephart: Chief Accounting Officer [CAO]. Status: unknown. claim_id=alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:17
- David Buonasera: Chief Technology Officer [CTO]. Status: unknown. claim_id=alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:18
- David L. Day: Chief Financial Officer [CFO]. Status: unknown. claim_id=alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:19
- Katie Evans: President, Product & Operations [PRESIDENT]. Status: unknown. claim_id=alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:20
- Michael G. Barrett: Chief Executive Officer [CEO]. Status: unknown. claim_id=alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:21
- Sean Buckley: President, Revenue & Market Strategy [PRESIDENT]. Status: unknown. claim_id=alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:22

## Governance events

- DIRECTOR_APPOINTED: Katie Evans seat on MAGNITE, INC., effective 2026-04-21. Effective: 2026-04-21. Detected: 2026-10-16T04:45:52.247664+00:00. event_id=alpha:event:transition:oup4o6wu6fg2
- DIRECTOR_APPOINTED: Sean Buckley seat on MAGNITE, INC., effective 2026-04-21. Effective: 2026-04-21. Detected: 2026-10-16T04:45:52.247664+00:00. event_id=alpha:event:transition:1egs6c91yyr43f
- DIRECTOR_APPOINTED: David Pearson seat on MAGNITE, INC., effective 2022-01-01. Effective: 2022-01-01. Detected: 2026-10-16T04:45:52.247664+00:00. event_id=alpha:event:transition:vazpoe1bch0j2
- DIRECTOR_APPOINTED: Diane Yu seat on MAGNITE, INC., effective 2022-01-01. Effective: 2022-01-01. Detected: 2026-10-16T04:45:52.247664+00:00. event_id=alpha:event:transition:h1oic91wfvior
- DIRECTOR_APPOINTED: Doug Knopper seat on MAGNITE, INC., effective 2020-01-01. Effective: 2020-01-01. Detected: 2026-10-16T04:45:52.247664+00:00. event_id=alpha:event:transition:rbscz01nfhe8u
- DIRECTOR_APPOINTED: James Rossman seat on MAGNITE, INC., effective 2020-01-01. Effective: 2020-01-01. Detected: 2026-10-16T04:45:52.247664+00:00. event_id=alpha:event:transition:1tn1oz91jqmbov
- DIRECTOR_APPOINTED: Rachel Lam seat on MAGNITE, INC., effective 2020-01-01. Effective: 2020-01-01. Detected: 2026-10-16T04:45:52.247664+00:00. event_id=alpha:event:transition:1tryar36jveyt
- DIRECTOR_APPOINTED: Sarah P. Harden seat on MAGNITE, INC., effective 2019-01-01. Effective: 2019-01-01. Detected: 2026-10-16T04:45:52.247664+00:00. event_id=alpha:event:transition:3dw1uv1pd2sbd

## Scoped resources

- `alpha://company/magnite-inc` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record
- `alpha://company/magnite-inc/identity` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=identity
- `alpha://company/magnite-inc/corporate-structure` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=corporate-structure
- `alpha://company/magnite-inc/board` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=board
- `alpha://company/magnite-inc/committees` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=committees
- `alpha://company/magnite-inc/leadership` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=leadership
- `alpha://company/magnite-inc/ownership` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=ownership
- `alpha://company/magnite-inc/financials` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=financials
- `alpha://company/magnite-inc/capital-structure` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=capital-structure
- `alpha://company/magnite-inc/compensation` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=compensation
- `alpha://company/magnite-inc/governance` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=governance
- `alpha://company/magnite-inc/shareholder-governance` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=shareholder-governance
- `alpha://company/magnite-inc/audit` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=audit
- `alpha://company/magnite-inc/legal` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=legal
- `alpha://company/magnite-inc/risk` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=risk
- `alpha://company/magnite-inc/cyber` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=cyber
- `alpha://company/magnite-inc/ai-governance` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=ai-governance
- `alpha://company/magnite-inc/agents` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=agents
- `alpha://company/magnite-inc/ecosystem` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=ecosystem
- `alpha://company/magnite-inc/events` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=events
- `alpha://company/magnite-inc/relationships` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=relationships
- `alpha://company/magnite-inc/assessments` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=assessments
- `alpha://company/magnite-inc/evidence` (contract): https://registry.alpha.ac/api/public/companies/magnite-inc?format=record&section=evidence

## Role modules

- NOT_ASSERTED

## Attention

- NO_RECORDS_FOUND

## Committee data

- NO_RECORDS_FOUND

## Leadership

- Paul Caine: Chairman of the Board. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:5. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:8e3217d076409e2ccb0085ca04211fd305192c6649639c733bd7073b726b031a.
- David Pearson: Director. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:6. Valid from: 2022-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:3e073f73e8d198dca3bdef1f670d32e9017dff600754c7fc92916c83dc320136.
- Diane Yu: Director. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:7. Valid from: 2022-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:3e073f73e8d198dca3bdef1f670d32e9017dff600754c7fc92916c83dc320136.
- Doug Knopper: Director. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:8. Valid from: 2020-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:3e073f73e8d198dca3bdef1f670d32e9017dff600754c7fc92916c83dc320136.
- James Rossman: Director. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:9. Valid from: 2020-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:3e073f73e8d198dca3bdef1f670d32e9017dff600754c7fc92916c83dc320136.
- Katie Evans: Director. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:10. Valid from: 2026-04-21. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:3e073f73e8d198dca3bdef1f670d32e9017dff600754c7fc92916c83dc320136.
- Michael G. Barrett: Chief Executive Officer and Director. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:11. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:8e3217d076409e2ccb0085ca04211fd305192c6649639c733bd7073b726b031a.
- Rachel Lam: Director. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:12. Valid from: 2020-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:3e073f73e8d198dca3bdef1f670d32e9017dff600754c7fc92916c83dc320136.
- Robert F. Spillane: Director. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:13. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:8e3217d076409e2ccb0085ca04211fd305192c6649639c733bd7073b726b031a.
- Sarah P. Harden: Director. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:14. Valid from: 2019-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:3e073f73e8d198dca3bdef1f670d32e9017dff600754c7fc92916c83dc320136.
- Sean Buckley: Director. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:15. Valid from: 2026-04-21. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:3e073f73e8d198dca3bdef1f670d32e9017dff600754c7fc92916c83dc320136.
- Aaron Saltz: Chief Legal Officer. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:16. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:8e3217d076409e2ccb0085ca04211fd305192c6649639c733bd7073b726b031a.
- Brian Gephart: Chief Accounting Officer. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:17. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:8e3217d076409e2ccb0085ca04211fd305192c6649639c733bd7073b726b031a.
- David Buonasera: Chief Technology Officer. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:18. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:8e3217d076409e2ccb0085ca04211fd305192c6649639c733bd7073b726b031a.
- David L. Day: Chief Financial Officer. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:19. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:8e3217d076409e2ccb0085ca04211fd305192c6649639c733bd7073b726b031a.
- Katie Evans: President, Product & Operations. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:20. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:8e3217d076409e2ccb0085ca04211fd305192c6649639c733bd7073b726b031a.
- Michael G. Barrett: Chief Executive Officer. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:21. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:8e3217d076409e2ccb0085ca04211fd305192c6649639c733bd7073b726b031a.
- Sean Buckley: President, Revenue & Market Strategy. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:leadership_role:22. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:8e3217d076409e2ccb0085ca04211fd305192c6649639c733bd7073b726b031a.

## Roles

- PUBLISHED

## Governance

- NOT_ASSERTED

## Board committees

- PUBLISHED

## Financials

- NOT_ASSERTED

## Workforce

- NOT_ASSERTED

## Market and index context

- PUBLISHED

## Legal Name

- MAGNITE, INC.. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:legal_name:1. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:0c89cfbe3a4396dc885f2504c6e22b2bb24a94a844b4d7a4cb87460a5882a34b.

## Entity Status

- Public listing published. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:entity_status:3. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:0c89cfbe3a4396dc885f2504c6e22b2bb24a94a844b4d7a4cb87460a5882a34b.

## Published Fact

- US. Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:published_fact:4. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:0c89cfbe3a4396dc885f2504c6e22b2bb24a94a844b4d7a4cb87460a5882a34b.

## Security Listing

- MGNI (NASDAQ). Claim: alpha:claim:company:b9366ce1-9732-4b77-8982-680838427a7f:security_listing:23. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:0c89cfbe3a4396dc885f2504c6e22b2bb24a94a844b4d7a4cb87460a5882a34b.

## Coverage states

| Field | Value |
| --- | --- |
| Identity | PUBLISHED |
| Business | PUBLISHED |
| Leadership | PUBLISHED |
| Board and committees | PUBLISHED |
| Governance | NOT_ASSERTED |
| Financials | NOT_ASSERTED |
| Workforce | NOT_ASSERTED |
| Ownership | NOT_ASSERTED |
| Ratings | NOT_PUBLISHED |
| Market and index context | PUBLISHED |

## Public sources

- alpha:projection-evidence:0c89cfbe3a4396dc885f2504c6e22b2bb24a94a844b4d7a4cb87460a5882a34b: [Alpha canonical company public projection](https://www.alpha.ac/api/public/companies/magnite-inc).
- alpha:projection-evidence:document:8e3217d076409e2ccb0085ca04211fd305192c6649639c733bd7073b726b031a: [SEC DEF 14A 0001999371-26-008635](https://www.sec.gov/Archives/edgar/data/1595974/000199937126008635/mgni-def14a_060826.htm).
- alpha:projection-evidence:document:3e073f73e8d198dca3bdef1f670d32e9017dff600754c7fc92916c83dc320136: [DEF 14A mgni-def14a_060826.htm](https://www.sec.gov/Archives/edgar/data/1595974/000199937126008635/mgni-def14a_060826.htm).

## Rights

| Field | Value |
| --- | --- |
| public_retrieval | allowed |
| agent_retrieval | allowed |
| redistribution | not_granted |
| model_training | not_granted |
| commercial_use | not_specified |
| relationship_pathfinding | not_granted |
| direct_contact | not_granted |

## Limitations

- Absence of a leadership role, committee, or disclosure is not evidence that it does not exist.
- Only explicitly published canonical company identity and current confirmed public roles are included.
- Absence of a board, committee, executive, listing, or claim is not evidence that it does not exist.
- Public retrieval does not grant redistribution, model-training, direct-contact, or relationship-pathfinding rights.
- This Company Profile is an identity and evidence record, not an Alpha rating.

## Alternate representations

- [Canonical profile](https://registry.alpha.ac/companies/magnite-inc)
- [Public Markdown](https://registry.alpha.ac/companies/magnite-inc.md)
- [Public JSON](https://registry.alpha.ac/api/public/companies/magnite-inc?format=record)
- [JSON-LD](https://registry.alpha.ac/api/public/companies/magnite-inc?format=jsonld)
- MCP resource: `alpha://companies/magnite-inc` at https://mcp.alpha.ac/mcp


## Connected governance records

Only explicitly published, rights-cleared records. Missing records do not establish absence, safety, or complete coverage.

## Critical-risk oversight

Snapshot as of 2026-10-16T10:00:57.101652+00:00; recorded 2026-10-16T10:00:57.101652+00:00. Every published assignment for this snapshot is listed.
Only explicitly reviewed, rights-cleared assignments in effect on the as-of date, in the company's own wording.
An assignment shows where oversight is placed, not whether it is effective. Missing records do not establish absence.