---
title: "KOSTELNIK ROBERT J. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/c3d9cb95-efd9-511e-9448-01e13b1f7da6
json: https://whiteintel.dev/api/public/dossier/c3d9cb95-efd9-511e-9448-01e13b1f7da6
identifier: sec:0001507989
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# KOSTELNIK ROBERT J.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001507989`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/c3d9cb95-efd9-511e-9448-01e13b1f7da6  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/c3d9cb95-efd9-511e-9448-01e13b1f7da6  

## Ownership & control

### Holdings / subsidiaries

- **HF Sinclair Corp** (director) — https://whiteintel.dev/entity/e76b3198-d247-5a08-8c0a-83d5204f260f
- **HOLLY CORP** (director) — https://whiteintel.dev/entity/109a5014-5e24-5637-8fea-ccb198b9742d
- **FRONTIER OIL CORP /NEW/** (director) — https://whiteintel.dev/entity/9f8c0d36-c22b-525e-b378-da7172d4c153

## 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 **KOSTELNIK ROBERT J.** — https://whiteintel.dev/entity/c3d9cb95-efd9-511e-9448-01e13b1f7da6 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **KOSTELNIK ROBERT J.**. Human view: https://whiteintel.dev/entity/c3d9cb95-efd9-511e-9448-01e13b1f7da6 · Structured JSON: https://whiteintel.dev/api/public/dossier/c3d9cb95-efd9-511e-9448-01e13b1f7da6._

_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"._