---
title: "BUGHER MARK D — Ownership Dossier"
canonical: https://whiteintel.dev/entity/57dc3199-da74-59c7-935e-36bf7db9aeaa
json: https://whiteintel.dev/api/public/dossier/57dc3199-da74-59c7-935e-36bf7db9aeaa
identifier: sec:0001333487
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BUGHER MARK D

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001333487`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/57dc3199-da74-59c7-935e-36bf7db9aeaa  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/57dc3199-da74-59c7-935e-36bf7db9aeaa  

## Ownership & control

### Holdings / subsidiaries

- **MGE ENERGY INC** (director) — https://whiteintel.dev/entity/97a8db2b-d1da-547f-8aa9-fe2aa5ec0775
- **FIRST BUSINESS FINANCIAL SERVICES, INC.** (director) — https://whiteintel.dev/entity/6886e1db-9b52-5cf7-a054-9e0ae6e41dcf

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BUGHER MARK D**. Human view: https://whiteintel.dev/entity/57dc3199-da74-59c7-935e-36bf7db9aeaa · Structured JSON: https://whiteintel.dev/api/public/dossier/57dc3199-da74-59c7-935e-36bf7db9aeaa._

_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"._