---
title: "Arbet-Engels Christophe — Ownership Dossier"
canonical: https://whiteintel.dev/entity/11cdb00a-be8b-5cc9-8ff2-d60b08985a22
json: https://whiteintel.dev/api/public/dossier/11cdb00a-be8b-5cc9-8ff2-d60b08985a22
identifier: sec:0001802615
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Arbet-Engels Christophe

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001802615`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/11cdb00a-be8b-5cc9-8ff2-d60b08985a22  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/11cdb00a-be8b-5cc9-8ff2-d60b08985a22  

## Ownership & control

### Holdings / subsidiaries

- **X4 Pharmaceuticals, Inc** (officer) — https://whiteintel.dev/entity/faa4b0df-34a4-5462-b727-ec322e28bc73
- **X4 Pharmaceuticals, Inc** (officer) — https://whiteintel.dev/entity/faa4b0df-34a4-5462-b727-ec322e28bc73
- **Altimmune, Inc.** (officer) — https://whiteintel.dev/entity/81e04289-eb27-5cec-96f2-99206bc89349
- **X4 Pharmaceuticals, Inc** (officer) — https://whiteintel.dev/entity/faa4b0df-34a4-5462-b727-ec322e28bc73
- **Tempest Therapeutics, Inc.** (officer) — https://whiteintel.dev/entity/0c3b95ca-716e-5b66-a863-b0f8a59c274c

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Arbet-Engels Christophe**. Human view: https://whiteintel.dev/entity/11cdb00a-be8b-5cc9-8ff2-d60b08985a22 · Structured JSON: https://whiteintel.dev/api/public/dossier/11cdb00a-be8b-5cc9-8ff2-d60b08985a22._

_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"._