---
title: "Hartzell Jay C. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/dfa7b88d-8d33-5b02-975c-a12ed2be8f87
json: https://whiteintel.dev/api/public/dossier/dfa7b88d-8d33-5b02-975c-a12ed2be8f87
identifier: sec:0001792128
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Hartzell Jay C.

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001792128`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/dfa7b88d-8d33-5b02-975c-a12ed2be8f87  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/dfa7b88d-8d33-5b02-975c-a12ed2be8f87  

## Ownership & control

### Holdings / subsidiaries

- **MGIC INVESTMENT CORP** (director) — https://whiteintel.dev/entity/42ed312a-d602-58a2-b019-30640b7f4484
- **MGIC INVESTMENT CORP** (director) — https://whiteintel.dev/entity/42ed312a-d602-58a2-b019-30640b7f4484
- **MGIC INVESTMENT CORP** (director) — https://whiteintel.dev/entity/42ed312a-d602-58a2-b019-30640b7f4484

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Hartzell Jay C.**. Human view: https://whiteintel.dev/entity/dfa7b88d-8d33-5b02-975c-a12ed2be8f87 · Structured JSON: https://whiteintel.dev/api/public/dossier/dfa7b88d-8d33-5b02-975c-a12ed2be8f87._

_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"._