---
title: "KALKOFEN DONALD A. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ad07ed71-3ca7-5b14-8ad9-56c283f0ff71
json: https://whiteintel.dev/api/public/dossier/ad07ed71-3ca7-5b14-8ad9-56c283f0ff71
identifier: sec:0001771066
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# KALKOFEN DONALD A.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001771066`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ad07ed71-3ca7-5b14-8ad9-56c283f0ff71  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ad07ed71-3ca7-5b14-8ad9-56c283f0ff71  

## Ownership & control

### Holdings / subsidiaries

- **ALLURE WORLDWIDE, INC.** (officer) — https://whiteintel.dev/entity/90fe597b-2394-5d6c-adfa-8a1fa2ade9cf
- **Protagonist Therapeutics, Inc** (officer) — https://whiteintel.dev/entity/3274f611-1f63-5f98-8861-a13733c35ed6

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **KALKOFEN DONALD A.**. Human view: https://whiteintel.dev/entity/ad07ed71-3ca7-5b14-8ad9-56c283f0ff71 · Structured JSON: https://whiteintel.dev/api/public/dossier/ad07ed71-3ca7-5b14-8ad9-56c283f0ff71._

_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"._