---
title: "HARTZLER GEOFFREY O — Ownership Dossier"
canonical: https://whiteintel.dev/entity/47722331-0e15-53b4-bd36-2a439ab2b3ca
json: https://whiteintel.dev/api/public/dossier/47722331-0e15-53b4-bd36-2a439ab2b3ca
identifier: sec:0001428222
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# HARTZLER GEOFFREY O

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001428222`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/47722331-0e15-53b4-bd36-2a439ab2b3ca  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/47722331-0e15-53b4-bd36-2a439ab2b3ca  

## Ownership & control

### Holdings / subsidiaries

- **CARDIOVASCULAR SYSTEMS INC** (director) — https://whiteintel.dev/entity/034c0be5-e4cf-5e38-a939-d9627f7d1099
- **CARDIOVASCULAR SYSTEMS INC** (director) — https://whiteintel.dev/entity/5ad24464-528a-511a-8668-0f80b457a784
- **CARDIOVASCULAR SYSTEMS INC** (directorother) — https://whiteintel.dev/entity/5ad24464-528a-511a-8668-0f80b457a784

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HARTZLER GEOFFREY O**. Human view: https://whiteintel.dev/entity/47722331-0e15-53b4-bd36-2a439ab2b3ca · Structured JSON: https://whiteintel.dev/api/public/dossier/47722331-0e15-53b4-bd36-2a439ab2b3ca._

_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"._