---
title: "ZS PHARMA, INC. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/5542e8fd-1553-5dde-98c3-ed0e806fb512
json: https://whiteintel.dev/api/public/dossier/5542e8fd-1553-5dde-98c3-ed0e806fb512
identifier: sec:0001459266
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ZS PHARMA, INC.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001459266`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/5542e8fd-1553-5dde-98c3-ed0e806fb512  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/5542e8fd-1553-5dde-98c3-ed0e806fb512  

## Ownership & control

### Owners / controllers

- **DEVON PARK ASSOCIATES, LLC** (tenpercentowner) — https://whiteintel.dev/entity/e7e4a7b4-3aa1-5d5f-87ee-33ed5012b1db
- **OSTRO MARC** (tenpercentowner) — https://whiteintel.dev/entity/326fd8bc-3713-5795-a2d6-48a0bab8a460
- **DEVON PARK ASSOCIATES, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/0d027c06-39dc-5d23-b2ec-05cfd490ec74
- **DEVON PARK BIOVENTURES LP** (tenpercentowner) — https://whiteintel.dev/entity/d204c902-832a-5492-9dfe-9017bb8f9132
- **NOHRA GUY P** (tenpercentowner) — https://whiteintel.dev/entity/0a729bcb-38b5-5cdd-a4d8-b544aebddd7a
- **JANNEY DANIEL** (tenpercentowner) — https://whiteintel.dev/entity/369ab864-ed09-5031-aea3-9c100e41e8f7
- **ALTA PARTNERS MANAGEMENT VIII, LLC** (tenpercentowner) — https://whiteintel.dev/entity/6e4c3d38-aab3-5642-9fa9-800209284aba
- **ALTA PARTNERS VIII, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/112d90b6-1b77-5c4b-9dc6-5fe063547f80
- **CHAMPSI FARAH** (tenpercentowner) — https://whiteintel.dev/entity/e3628162-e53b-50cf-b8ee-70e6af59ddad
- **3X5 SPECIAL OPPORTUNITY FUND, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/98793e1e-b357-5ead-980f-925b1b6c1b88
- **RIVERVEST VENTURE FUND II (OHIO), L.P.** (tenpercentowner) — https://whiteintel.dev/entity/6acabac0-d618-5b6f-9b57-d2902158d3d9
- **MELZER THOMAS C.** (tenpercentowner) — https://whiteintel.dev/entity/58596e4b-e214-5761-b3b9-fade0f504064
- **3X5 SPECIAL OPPORTUNITY PARTNERS, LLC** (tenpercentowner) — https://whiteintel.dev/entity/4b6af82c-87ea-5322-bea9-182c2b620008
- **RIVERVEST VENTURE PARTNERS II(OHIO), LLC** (tenpercentowner) — https://whiteintel.dev/entity/207e8e88-c81f-509d-b4dd-15ed73095143
- **SCHMELTER JAY** (tenpercentowner) — https://whiteintel.dev/entity/75e0eb5b-fbeb-5c4b-b3d8-34522f75d295
- **RIVERVEST VENTURE PARTNERS II, LLC** (tenpercentowner) — https://whiteintel.dev/entity/9952fd14-bbdb-55a4-9c2e-d7fd644364c3
- **RIVERVEST VENTURE FUND II L P** (tenpercentowner) — https://whiteintel.dev/entity/d7132463-16f2-5194-a258-a1396bf4f0b6
- **RIVERVEST VENTURE PARTNERS II, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/8f0c06cf-d5f2-532f-ac94-222af3ae4121
- **RIVERVEST 3X5 SPECIAL OPPORTUNITY MANAGERS, LLC** (tenpercentowner) — https://whiteintel.dev/entity/91c00719-c9ca-589a-a126-16999ccc150c
- **DYETT JOHN** (tenpercentowner) — https://whiteintel.dev/entity/df4b32d0-a574-5f25-8caa-445e5af91133
- **NOVO A/S** (tenpercentownerother) — https://whiteintel.dev/entity/e9d14cc2-a638-56cb-8a4e-6ff4ebd492b1

### UBO chain (walk to the ultimate owner)

A **41-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **ZS PHARMA, INC.** — https://whiteintel.dev/entity/5542e8fd-1553-5dde-98c3-ed0e806fb512 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ZS PHARMA, INC.**. Human view: https://whiteintel.dev/entity/5542e8fd-1553-5dde-98c3-ed0e806fb512 · Structured JSON: https://whiteintel.dev/api/public/dossier/5542e8fd-1553-5dde-98c3-ed0e806fb512._

_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"._