---
title: "Fuller Mark C — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ed23e65b-e931-5509-a9ea-13971da4e3d6
json: https://whiteintel.dev/api/public/dossier/ed23e65b-e931-5509-a9ea-13971da4e3d6
identifier: sec:0001944544
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Fuller Mark C

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001944544`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ed23e65b-e931-5509-a9ea-13971da4e3d6  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ed23e65b-e931-5509-a9ea-13971da4e3d6  

## Ownership & control

### Holdings / subsidiaries

- **Castellum, Inc.** (10% owner) — https://whiteintel.dev/entity/1c54426f-7186-5ec9-8d17-b4e3b5d25669
- **Castellum, Inc.** (other) — https://whiteintel.dev/entity/1c54426f-7186-5ec9-8d17-b4e3b5d25669
- **Castellum, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/1c54426f-7186-5ec9-8d17-b4e3b5d25669
- **Castellum, Inc.** (director) — https://whiteintel.dev/entity/1c54426f-7186-5ec9-8d17-b4e3b5d25669
- **Castellum, Inc.** (officer) — https://whiteintel.dev/entity/1c54426f-7186-5ec9-8d17-b4e3b5d25669

## 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 **Fuller Mark C** — https://whiteintel.dev/entity/ed23e65b-e931-5509-a9ea-13971da4e3d6 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Fuller Mark C**. Human view: https://whiteintel.dev/entity/ed23e65b-e931-5509-a9ea-13971da4e3d6 · Structured JSON: https://whiteintel.dev/api/public/dossier/ed23e65b-e931-5509-a9ea-13971da4e3d6._

_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"._