---
title: "Gephart Brian — Ownership Dossier"
canonical: https://whiteintel.dev/entity/224c2aeb-34f1-5969-be44-a54e6f0d61d6
json: https://whiteintel.dev/api/public/dossier/224c2aeb-34f1-5969-be44-a54e6f0d61d6
identifier: sec:0001778484
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# Gephart Brian

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001778484`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/224c2aeb-34f1-5969-be44-a54e6f0d61d6  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/224c2aeb-34f1-5969-be44-a54e6f0d61d6  

## Ownership & control

### Holdings / subsidiaries

- **MAGNITE, INC.** (officer) — https://whiteintel.dev/entity/b22847f5-a063-5504-b3c9-d33a9d34c4b5
- **MAGNITE, INC.** (officer) — https://whiteintel.dev/entity/b22847f5-a063-5504-b3c9-d33a9d34c4b5
- **MAGNITE, INC.** (officer) — https://whiteintel.dev/entity/b22847f5-a063-5504-b3c9-d33a9d34c4b5
- **MAGNITE, INC.** (officer) — https://whiteintel.dev/entity/b22847f5-a063-5504-b3c9-d33a9d34c4b5
- **DEMAND MEDIA INC** (officer) — https://whiteintel.dev/entity/0857da07-1eba-5637-906c-ee417f9cae2a

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **Gephart Brian** — https://whiteintel.dev/entity/224c2aeb-34f1-5969-be44-a54e6f0d61d6 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Gephart Brian**. Human view: https://whiteintel.dev/entity/224c2aeb-34f1-5969-be44-a54e6f0d61d6 · Structured JSON: https://whiteintel.dev/api/public/dossier/224c2aeb-34f1-5969-be44-a54e6f0d61d6._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._