---
title: "HOLSTEIN ROGER C — Ownership Dossier"
canonical: https://whiteintel.dev/entity/14826f68-7bab-58e9-b4c8-eaa97ea2fad2
json: https://whiteintel.dev/api/public/dossier/14826f68-7bab-58e9-b4c8-eaa97ea2fad2
identifier: sec:0001230619
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# HOLSTEIN ROGER C

**Type:** Company  
**Jurisdiction:** US  
**Identifier:** `sec:0001230619`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/14826f68-7bab-58e9-b4c8-eaa97ea2fad2  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/14826f68-7bab-58e9-b4c8-eaa97ea2fad2  

## Ownership & control

### Holdings / subsidiaries

- **Progyny, Inc.** (director) — https://whiteintel.dev/entity/d51ba398-6830-5312-a12a-668000ba70e1
- **HEALTH GRADES INC** (director) — https://whiteintel.dev/entity/4ba210fd-dcf3-5c35-9734-ea0409ed3ff1
- **DYNAVOX INC.** (director) — https://whiteintel.dev/entity/adc679b5-e04a-5f47-83b6-6ab1c3fff950

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HOLSTEIN ROGER C**. Human view: https://whiteintel.dev/entity/14826f68-7bab-58e9-b4c8-eaa97ea2fad2 · Structured JSON: https://whiteintel.dev/api/public/dossier/14826f68-7bab-58e9-b4c8-eaa97ea2fad2._

_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"._