---
title: "Cook Christopher S — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b603a7c5-9f31-51a7-b28b-47dfdee0c4bd
json: https://whiteintel.dev/api/public/dossier/b603a7c5-9f31-51a7-b28b-47dfdee0c4bd
identifier: sec:0001927266
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Cook Christopher S

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001927266`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b603a7c5-9f31-51a7-b28b-47dfdee0c4bd  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b603a7c5-9f31-51a7-b28b-47dfdee0c4bd  

## Ownership & control

### Holdings / subsidiaries

- **Ultra Clean Holdings, Inc.** (officer) — https://whiteintel.dev/entity/f20d87b2-5312-5727-a646-35df6e8100e2
- **Ultra Clean Holdings, Inc.** (officer) — https://whiteintel.dev/entity/f20d87b2-5312-5727-a646-35df6e8100e2

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Cook Christopher S**. Human view: https://whiteintel.dev/entity/b603a7c5-9f31-51a7-b28b-47dfdee0c4bd · Structured JSON: https://whiteintel.dev/api/public/dossier/b603a7c5-9f31-51a7-b28b-47dfdee0c4bd._

_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"._