---
title: "HAMBRECHT WILLIAM R — Ownership Dossier"
canonical: https://whiteintel.dev/entity/6963efe3-dcf6-5a76-a91f-ef17a1eab631
json: https://whiteintel.dev/api/public/dossier/6963efe3-dcf6-5a76-a91f-ef17a1eab631
identifier: sec:0001031789
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# HAMBRECHT WILLIAM R

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001031789`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/6963efe3-dcf6-5a76-a91f-ef17a1eab631  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/6963efe3-dcf6-5a76-a91f-ef17a1eab631  

## Ownership & control

### Holdings / subsidiaries

- **SALON COM** (tenpercentowner) — https://whiteintel.dev/entity/f4308ec7-8453-5c77-bb93-a2b9892c4bbf
- **IRONSTONE GROUP INC** (director) — https://whiteintel.dev/entity/41eb7c40-4bdf-58ff-a3fb-333b1a52112c
- **IRONSTONE GROUP INC** (officer) — https://whiteintel.dev/entity/41eb7c40-4bdf-58ff-a3fb-333b1a52112c
- **IRONSTONE GROUP INC** (tenpercentowner) — https://whiteintel.dev/entity/41eb7c40-4bdf-58ff-a3fb-333b1a52112c
- **SALON COM** (director) — https://whiteintel.dev/entity/f4308ec7-8453-5c77-bb93-a2b9892c4bbf
- **TRUETT-HURST, INC.** (other) — https://whiteintel.dev/entity/9f9abc4f-10a2-5a8a-adb1-db04588d5c7f
- **TRUETT-HURST, INC.** (director) — https://whiteintel.dev/entity/9f9abc4f-10a2-5a8a-adb1-db04588d5c7f
- **TRUETT-HURST, INC.** (tenpercentowner) — https://whiteintel.dev/entity/9f9abc4f-10a2-5a8a-adb1-db04588d5c7f
- **MOTOROLA MOBILITY HOLDINGS, INC** (director) — https://whiteintel.dev/entity/8fc31d48-ce35-5161-a987-35b797909d8c
- **Motorola Solutions, Inc.** (director) — https://whiteintel.dev/entity/7e12ee8b-9cfc-517d-a874-45f0de36af56
- **AOL INC.** (director) — https://whiteintel.dev/entity/8241bd6d-9420-5215-936d-04d984eec162
- **HAMBRECHT ASIA ACQUISITION CORP.** (tenpercentowner) — https://whiteintel.dev/entity/d5bfc80c-a3cd-5966-a866-95e63e37e16d

## 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 **HAMBRECHT WILLIAM R** — https://whiteintel.dev/entity/6963efe3-dcf6-5a76-a91f-ef17a1eab631 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HAMBRECHT WILLIAM R**. Human view: https://whiteintel.dev/entity/6963efe3-dcf6-5a76-a91f-ef17a1eab631 · Structured JSON: https://whiteintel.dev/api/public/dossier/6963efe3-dcf6-5a76-a91f-ef17a1eab631._

_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"._