---
title: "MOULDER LEON O JR — Ownership Dossier"
canonical: https://whiteintel.dev/entity/6e02ebcc-82db-56b1-a4c3-cdf7f8d2b5ca
json: https://whiteintel.dev/api/public/dossier/6e02ebcc-82db-56b1-a4c3-cdf7f8d2b5ca
identifier: sec:0001228865
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MOULDER LEON O JR

**Type:** Person  
**Jurisdiction:** US  
**Identifier:** `sec:0001228865`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/6e02ebcc-82db-56b1-a4c3-cdf7f8d2b5ca  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/6e02ebcc-82db-56b1-a4c3-cdf7f8d2b5ca  

## Ownership & control

### Holdings / subsidiaries

- **Zenas BioPharma, Inc.** (officer) — https://whiteintel.dev/entity/8a62e26a-40ca-50e6-b06d-efea9f8a52da
- **Zenas BioPharma, Inc.** (officer) — https://whiteintel.dev/entity/8a62e26a-40ca-50e6-b06d-efea9f8a52da
- **Zai Lab Ltd** (director) — https://whiteintel.dev/entity/1fe621d6-b128-5afa-ad44-6c827af8f892
- **Zenas BioPharma, Inc.** (director) — https://whiteintel.dev/entity/8a62e26a-40ca-50e6-b06d-efea9f8a52da
- **Dianthus Therapeutics, Inc. /DE/** (director) — https://whiteintel.dev/entity/6a3adac7-6100-5ac2-87d8-2e2620ec6a23
- **TREVENA INC** (director) — https://whiteintel.dev/entity/58242fe0-4362-5a02-a250-86e11009c4ac
- **TESARO, INC.** (director) — https://whiteintel.dev/entity/266e6228-4a9a-5988-80b0-745c392c3240
- **TESARO, INC.** (officer) — https://whiteintel.dev/entity/266e6228-4a9a-5988-80b0-745c392c3240
- **CUBIST PHARMACEUTICALS INC** (director) — https://whiteintel.dev/entity/22cb834d-868b-5481-a9d2-5b1d26bda75f
- **ABRAXIS BIOSCIENCE, INC.** (officer) — https://whiteintel.dev/entity/edbdd485-4e14-5d4e-ae16-293bfafa251a
- **ABRAXIS BIOSCIENCE, INC.** (director) — https://whiteintel.dev/entity/edbdd485-4e14-5d4e-ae16-293bfafa251a
- **MGI PHARMA INC** (director) — https://whiteintel.dev/entity/b5e33a52-4a96-55fb-8829-d85f3219abeb
- **MGI PHARMA INC** (officer) — https://whiteintel.dev/entity/b5e33a52-4a96-55fb-8829-d85f3219abeb

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MOULDER LEON O JR**. Human view: https://whiteintel.dev/entity/6e02ebcc-82db-56b1-a4c3-cdf7f8d2b5ca · Structured JSON: https://whiteintel.dev/api/public/dossier/6e02ebcc-82db-56b1-a4c3-cdf7f8d2b5ca._

_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"._