---
title: "MCDONOUGH JOHN — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e49fe4dc-86a5-5dec-82e6-eb36ba0fef1c
json: https://whiteintel.dev/api/public/dossier/e49fe4dc-86a5-5dec-82e6-eb36ba0fef1c
identifier: sec:0001615937
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MCDONOUGH JOHN

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001615937`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e49fe4dc-86a5-5dec-82e6-eb36ba0fef1c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e49fe4dc-86a5-5dec-82e6-eb36ba0fef1c  

## Ownership & control

### Holdings / subsidiaries

- **T2 Biosystems, Inc.** (director) — https://whiteintel.dev/entity/87a8bf9a-18bb-5181-85e6-a368bd381951
- **T2 Biosystems, Inc.** (officer) — https://whiteintel.dev/entity/87a8bf9a-18bb-5181-85e6-a368bd381951

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MCDONOUGH JOHN**. Human view: https://whiteintel.dev/entity/e49fe4dc-86a5-5dec-82e6-eb36ba0fef1c · Structured JSON: https://whiteintel.dev/api/public/dossier/e49fe4dc-86a5-5dec-82e6-eb36ba0fef1c._

_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"._