---
title: "KORTSCHAK WALTER G — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4bdba1bd-93eb-5eba-9d67-28197afdc9d7
json: https://whiteintel.dev/api/public/dossier/4bdba1bd-93eb-5eba-9d67-28197afdc9d7
identifier: sec:0001018059
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# KORTSCHAK WALTER G

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001018059`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4bdba1bd-93eb-5eba-9d67-28197afdc9d7  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4bdba1bd-93eb-5eba-9d67-28197afdc9d7  

## Ownership & control

### Holdings / subsidiaries

- **OPTIONSXPRESS HOLDINGS, INC.** (other) — https://whiteintel.dev/entity/74c1cfa1-ccdb-5dd2-98ff-0098371e1973
- **SOMERA COMMUNICATIONS INC** (director) — https://whiteintel.dev/entity/6406845a-05ec-512c-b6c8-c53c0b3b2445
- **Everi Holdings Inc.** (other) — https://whiteintel.dev/entity/0e1851be-dc55-5738-b872-ba1cc530ecc9
- **PFI HOLDINGS CORP** (directorother) — https://whiteintel.dev/entity/7131e309-025c-5378-ae13-8652e972673e
- **Everi Holdings Inc.** (directorother) — https://whiteintel.dev/entity/0e1851be-dc55-5738-b872-ba1cc530ecc9
- **SOMERA COMMUNICATIONS INC** (directorother) — https://whiteintel.dev/entity/6406845a-05ec-512c-b6c8-c53c0b3b2445

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **KORTSCHAK WALTER G**. Human view: https://whiteintel.dev/entity/4bdba1bd-93eb-5eba-9d67-28197afdc9d7 · Structured JSON: https://whiteintel.dev/api/public/dossier/4bdba1bd-93eb-5eba-9d67-28197afdc9d7._

_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"._