---
title: "SIEGEL JONATHAN B. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ce049ee4-c665-5705-ab59-d80ecdd73397
json: https://whiteintel.dev/api/public/dossier/ce049ee4-c665-5705-ab59-d80ecdd73397
identifier: sec:0001588209
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SIEGEL JONATHAN B.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001588209`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ce049ee4-c665-5705-ab59-d80ecdd73397  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ce049ee4-c665-5705-ab59-d80ecdd73397  

## Ownership & control

### Holdings / subsidiaries

- **JAGUAR ANIMAL HEALTH, INC.** (director) — https://whiteintel.dev/entity/07f23e68-3260-53a6-b454-1e997c6ea8d3
- **OPY ACQUISITION CORP. I** (director) — https://whiteintel.dev/entity/165c5d65-6253-5dab-a602-c53a87fb73bd
- **OPY ACQUISITION CORP. I** (officer) — https://whiteintel.dev/entity/165c5d65-6253-5dab-a602-c53a87fb73bd
- **K-V PHARMACEUTICAL CO** (director) — https://whiteintel.dev/entity/fa78e0f0-c37b-510f-93a5-2a0e89ad4e6b

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SIEGEL JONATHAN B.**. Human view: https://whiteintel.dev/entity/ce049ee4-c665-5705-ab59-d80ecdd73397 · Structured JSON: https://whiteintel.dev/api/public/dossier/ce049ee4-c665-5705-ab59-d80ecdd73397._

_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"._