---
title: "WALSH MICHAEL — Ownership Dossier"
canonical: https://whiteintel.dev/entity/9fb0942a-e10f-532e-bff7-a612c2a83aea
json: https://whiteintel.dev/api/public/dossier/9fb0942a-e10f-532e-bff7-a612c2a83aea
identifier: sec:0001335898
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# WALSH MICHAEL

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001335898`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/9fb0942a-e10f-532e-bff7-a612c2a83aea  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/9fb0942a-e10f-532e-bff7-a612c2a83aea  

## Ownership & control

### Holdings / subsidiaries

- **CYPRESS BIOSCIENCE INC** (officer) — https://whiteintel.dev/entity/892ccbb6-6cee-53c4-b235-8076b0650fbe
- **PLANET POLYMER TECHNOLOGIES INC** (director) — https://whiteintel.dev/entity/990f9fa8-a6ce-5aa9-ac40-03e570126a00

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **WALSH MICHAEL**. Human view: https://whiteintel.dev/entity/9fb0942a-e10f-532e-bff7-a612c2a83aea · Structured JSON: https://whiteintel.dev/api/public/dossier/9fb0942a-e10f-532e-bff7-a612c2a83aea._

_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"._