---
title: "GASTAR EXPLORATION LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4c2c3507-5aa7-55bf-8a91-fbec8593d2e2
json: https://whiteintel.dev/api/public/dossier/4c2c3507-5aa7-55bf-8a91-fbec8593d2e2
identifier: sec:0001170154
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# GASTAR EXPLORATION LTD

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001170154`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4c2c3507-5aa7-55bf-8a91-fbec8593d2e2  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4c2c3507-5aa7-55bf-8a91-fbec8593d2e2  

## Ownership & control

### Owners / controllers

- **GEOSTAR CORP** (tenpercentowner) — https://whiteintel.dev/entity/79067be6-6d75-5556-8f17-6c1d1e638d1b
- **ROBINSON THOMAS EUGENE** (tenpercentowner) — https://whiteintel.dev/entity/3c267493-ef95-52d3-a7fb-385b8f5e20be
- **GLOBAL UNDERVALUED SECURITIES MASTER FUND LP** (tenpercentownerother) — https://whiteintel.dev/entity/3c9ca8b5-a5ee-54bf-a3b5-de3c4455d494
- **EXPAND ENERGY Corp** (tenpercentowner) — https://whiteintel.dev/entity/4a057b6f-c658-524b-a95e-b4cf5fc542f6

### UBO chain (walk to the ultimate owner)

A **564-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## 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 **GASTAR EXPLORATION LTD** — https://whiteintel.dev/entity/4c2c3507-5aa7-55bf-8a91-fbec8593d2e2 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **GASTAR EXPLORATION LTD**. Human view: https://whiteintel.dev/entity/4c2c3507-5aa7-55bf-8a91-fbec8593d2e2 · Structured JSON: https://whiteintel.dev/api/public/dossier/4c2c3507-5aa7-55bf-8a91-fbec8593d2e2._

_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"._