---
title: "Langwell Dennis J. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/70265b97-365e-56fc-9268-fd7ff7d7f4a3
json: https://whiteintel.dev/api/public/dossier/70265b97-365e-56fc-9268-fd7ff7d7f4a3
identifier: sec:0001501635
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Langwell Dennis J.

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001501635`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/70265b97-365e-56fc-9268-fd7ff7d7f4a3  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/70265b97-365e-56fc-9268-fd7ff7d7f4a3  

## Ownership & control

### Holdings / subsidiaries

- **James River Group Holdings, Ltd.** (director) — https://whiteintel.dev/entity/fa84215b-98b8-5e0b-9732-2b539a51ce6c
- **SAFETY INSURANCE GROUP INC** (director) — https://whiteintel.dev/entity/c1904477-ea01-5348-b8ec-4691d1e9682d
- **SAFETY INSURANCE GROUP INC** (director) — https://whiteintel.dev/entity/c1904477-ea01-5348-b8ec-4691d1e9682d
- **James River Group Holdings, Ltd.** (director) — https://whiteintel.dev/entity/fa84215b-98b8-5e0b-9732-2b539a51ce6c

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Langwell Dennis J.**. Human view: https://whiteintel.dev/entity/70265b97-365e-56fc-9268-fd7ff7d7f4a3 · Structured JSON: https://whiteintel.dev/api/public/dossier/70265b97-365e-56fc-9268-fd7ff7d7f4a3._

_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"._