---
title: "Blank Matthew — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b5f3375d-dc18-5d3b-bd7c-85ea1b7c2925
json: https://whiteintel.dev/api/public/dossier/b5f3375d-dc18-5d3b-bd7c-85ea1b7c2925
identifier: sec:0001511516
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Blank Matthew

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001511516`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b5f3375d-dc18-5d3b-bd7c-85ea1b7c2925  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b5f3375d-dc18-5d3b-bd7c-85ea1b7c2925  

## Ownership & control

### Holdings / subsidiaries

- **CuriosityStream Inc.** (director) — https://whiteintel.dev/entity/bc120914-2d94-53a2-b1c8-202c0eaf1255
- **AMC Networks Inc.** (director) — https://whiteintel.dev/entity/7a9d3d80-0dee-584b-9903-68e439124f35
- **CuriosityStream Inc.** (director) — https://whiteintel.dev/entity/bc120914-2d94-53a2-b1c8-202c0eaf1255
- **CUMULUS MEDIA INC** (director) — https://whiteintel.dev/entity/cc740b64-9d31-5b7d-b291-90449bd1be43
- **AMC Networks Inc.** (officer) — https://whiteintel.dev/entity/7a9d3d80-0dee-584b-9903-68e439124f35
- **Sphere Entertainment Co.** (director) — https://whiteintel.dev/entity/df7c4675-66ad-5ccd-9eed-e26e4c7bda3c
- **Madison Square Garden Sports Corp.** (director) — https://whiteintel.dev/entity/78b804ac-f25e-576a-bb39-a814e50b3f04
- **GEEKNET, INC** (director) — https://whiteintel.dev/entity/9cbe4aee-bbe4-561e-9b2c-351164f1824e
- **GEEKNET, INC** (directorother) — https://whiteintel.dev/entity/9cbe4aee-bbe4-561e-9b2c-351164f1824e

## 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 **Blank Matthew** — https://whiteintel.dev/entity/b5f3375d-dc18-5d3b-bd7c-85ea1b7c2925 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Blank Matthew**. Human view: https://whiteintel.dev/entity/b5f3375d-dc18-5d3b-bd7c-85ea1b7c2925 · Structured JSON: https://whiteintel.dev/api/public/dossier/b5f3375d-dc18-5d3b-bd7c-85ea1b7c2925._

_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"._