---
title: "Johnson Marvin — Ownership Dossier"
canonical: https://whiteintel.dev/entity/55478151-9801-52cd-abde-73d98753868b
json: https://whiteintel.dev/api/public/dossier/55478151-9801-52cd-abde-73d98753868b
identifier: sec:0001852752
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Johnson Marvin

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001852752`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/55478151-9801-52cd-abde-73d98753868b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/55478151-9801-52cd-abde-73d98753868b  

## Ownership & control

### Holdings / subsidiaries

- **MARINUS PHARMACEUTICALS, INC.** (director) — https://whiteintel.dev/entity/20b6d5a3-9c75-5cba-9939-08c1df6c05db
- **MARINUS PHARMACEUTICALS, INC.** (director) — https://whiteintel.dev/entity/20b6d5a3-9c75-5cba-9939-08c1df6c05db
- **MARINUS PHARMACEUTICALS, INC.** (director) — https://whiteintel.dev/entity/20b6d5a3-9c75-5cba-9939-08c1df6c05db
- **TREVENA INC** (director) — https://whiteintel.dev/entity/58242fe0-4362-5a02-a250-86e11009c4ac

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Johnson Marvin**. Human view: https://whiteintel.dev/entity/55478151-9801-52cd-abde-73d98753868b · Structured JSON: https://whiteintel.dev/api/public/dossier/55478151-9801-52cd-abde-73d98753868b._

_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"._