---
title: "CIARDIELLO MATTHEW RYAN — Ownership Dossier"
canonical: https://whiteintel.dev/entity/dcd87bd1-29dc-5028-9dc2-2d4f9b6c54df
json: https://whiteintel.dev/api/public/dossier/dcd87bd1-29dc-5028-9dc2-2d4f9b6c54df
identifier: sec:0001623724
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CIARDIELLO MATTHEW RYAN

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001623724`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/dcd87bd1-29dc-5028-9dc2-2d4f9b6c54df  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/dcd87bd1-29dc-5028-9dc2-2d4f9b6c54df  

## Ownership & control

### Holdings / subsidiaries

- **MAGELLAN PETROLEUM CORP /DE/** (officer) — https://whiteintel.dev/entity/5702e5cc-2318-59f7-a906-b0edff94236d

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CIARDIELLO MATTHEW RYAN**. Human view: https://whiteintel.dev/entity/dcd87bd1-29dc-5028-9dc2-2d4f9b6c54df · Structured JSON: https://whiteintel.dev/api/public/dossier/dcd87bd1-29dc-5028-9dc2-2d4f9b6c54df._

_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"._