---
title: "LANGTON WILLIAM R. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/cd32048d-d32e-55be-ba3e-04db0b1b2a16
json: https://whiteintel.dev/api/public/dossier/cd32048d-d32e-55be-ba3e-04db0b1b2a16
identifier: sec:0001542477
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# LANGTON WILLIAM R.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001542477`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/cd32048d-d32e-55be-ba3e-04db0b1b2a16  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/cd32048d-d32e-55be-ba3e-04db0b1b2a16  

## Ownership & control

### Holdings / subsidiaries

- **Proto Labs Inc** (officer) — https://whiteintel.dev/entity/fe1aab62-5372-5a1f-9d4f-47acfa84e5e9

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **LANGTON WILLIAM R.**. Human view: https://whiteintel.dev/entity/cd32048d-d32e-55be-ba3e-04db0b1b2a16 · Structured JSON: https://whiteintel.dev/api/public/dossier/cd32048d-d32e-55be-ba3e-04db0b1b2a16._

_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"._