---
title: "MARKEY JOHN — Ownership Dossier"
canonical: https://whiteintel.dev/entity/901022c8-6ce8-5309-84dc-e198dfd70f19
json: https://whiteintel.dev/api/public/dossier/901022c8-6ce8-5309-84dc-e198dfd70f19
identifier: sec:0001948530
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MARKEY JOHN

**Type:** Company  
**Jurisdiction:** US  
**Identifier:** `sec:0001948530`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/901022c8-6ce8-5309-84dc-e198dfd70f19  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/901022c8-6ce8-5309-84dc-e198dfd70f19  

## Ownership & control

### Holdings / subsidiaries

- **Sonnet BioTherapeutics Holdings, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/f1856aba-55ba-5308-8c33-e1abaab7f3fc

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MARKEY JOHN**. Human view: https://whiteintel.dev/entity/901022c8-6ce8-5309-84dc-e198dfd70f19 · Structured JSON: https://whiteintel.dev/api/public/dossier/901022c8-6ce8-5309-84dc-e198dfd70f19._

_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"._