---
title: "THACKRAY HELEN M. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3e22190c-228c-5732-98d8-4e2dec7f95be
json: https://whiteintel.dev/api/public/dossier/3e22190c-228c-5732-98d8-4e2dec7f95be
identifier: sec:0001589725
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# THACKRAY HELEN M.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001589725`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3e22190c-228c-5732-98d8-4e2dec7f95be  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3e22190c-228c-5732-98d8-4e2dec7f95be  

## Ownership & control

### Holdings / subsidiaries

- **BIOCRYST PHARMACEUTICALS INC** (officer) — https://whiteintel.dev/entity/4c2abb17-afd7-5282-930a-5a120a05fb83
- **IMMUNOGEN INC** (director) — https://whiteintel.dev/entity/cb1098c2-089b-52bd-b7ac-5895da43ec52
- **BIOCRYST PHARMACEUTICALS INC** (director) — https://whiteintel.dev/entity/4c2abb17-afd7-5282-930a-5a120a05fb83
- **CRESCENT BIOPHARMA, INC.** (officer) — https://whiteintel.dev/entity/af95539c-09bd-5667-a03e-8cd2e3451859

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **THACKRAY HELEN M.**. Human view: https://whiteintel.dev/entity/3e22190c-228c-5732-98d8-4e2dec7f95be · Structured JSON: https://whiteintel.dev/api/public/dossier/3e22190c-228c-5732-98d8-4e2dec7f95be._

_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"._