---
title: "KOVACH JOHN S — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4c679104-c096-54af-bc33-88d574346b2d
json: https://whiteintel.dev/api/public/dossier/4c679104-c096-54af-bc33-88d574346b2d
identifier: sec:0001368556
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# KOVACH JOHN S

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001368556`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4c679104-c096-54af-bc33-88d574346b2d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4c679104-c096-54af-bc33-88d574346b2d  

## Ownership & control

### Holdings / subsidiaries

- **LIXTE BIOTECHNOLOGY HOLDINGS, INC.** (officer) — https://whiteintel.dev/entity/3beb0f5c-0794-545e-81ca-88ff703a378b
- **LIXTE BIOTECHNOLOGY HOLDINGS, INC.** (director) — https://whiteintel.dev/entity/3beb0f5c-0794-545e-81ca-88ff703a378b
- **LIXTE BIOTECHNOLOGY HOLDINGS, INC.** (tenpercentowner) — https://whiteintel.dev/entity/3beb0f5c-0794-545e-81ca-88ff703a378b

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **KOVACH JOHN S**. Human view: https://whiteintel.dev/entity/4c679104-c096-54af-bc33-88d574346b2d · Structured JSON: https://whiteintel.dev/api/public/dossier/4c679104-c096-54af-bc33-88d574346b2d._

_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"._