---
title: "Frantz Brian D — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3eb79593-b372-5b39-a0cd-2ad2ccf35922
json: https://whiteintel.dev/api/public/dossier/3eb79593-b372-5b39-a0cd-2ad2ccf35922
identifier: sec:0001496943
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Frantz Brian D

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001496943`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3eb79593-b372-5b39-a0cd-2ad2ccf35922  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3eb79593-b372-5b39-a0cd-2ad2ccf35922  

## Ownership & control

### Holdings / subsidiaries

- **Summit Materials, Inc.** (officer) — https://whiteintel.dev/entity/fafa9fee-5772-506b-a9d8-d6555f574f38
- **Summit Materials, Inc.** (officer) — https://whiteintel.dev/entity/fafa9fee-5772-506b-a9d8-d6555f574f38
- **YELLOWSTONE MIDCO HOLDINGS II, LLC** (officer) — https://whiteintel.dev/entity/56f5e51b-a33c-5dc0-baf1-b5a8d227cdc5
- **Summit Materials, Inc.** (officer) — https://whiteintel.dev/entity/fafa9fee-5772-506b-a9d8-d6555f574f38
- **Intrepid Potash, Inc.** (officer) — https://whiteintel.dev/entity/67da6059-0b6a-5ce0-809b-008be933978d

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Frantz Brian D**. Human view: https://whiteintel.dev/entity/3eb79593-b372-5b39-a0cd-2ad2ccf35922 · Structured JSON: https://whiteintel.dev/api/public/dossier/3eb79593-b372-5b39-a0cd-2ad2ccf35922._

_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"._