---
title: "PIOTROWSKI JOHN L — Ownership Dossier"
canonical: https://whiteintel.dev/entity/7e05ab2f-f192-5514-ac09-b7fd8acdb434
json: https://whiteintel.dev/api/public/dossier/7e05ab2f-f192-5514-ac09-b7fd8acdb434
identifier: sec:0001201574
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# PIOTROWSKI JOHN L

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001201574`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/7e05ab2f-f192-5514-ac09-b7fd8acdb434  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/7e05ab2f-f192-5514-ac09-b7fd8acdb434  

## Ownership & control

### Holdings / subsidiaries

- **SEMTECH CORP** (director) — https://whiteintel.dev/entity/99e00d3c-adb8-5d3a-a9df-9c7994765c15
- **SPARTA INC /DE** (director) — https://whiteintel.dev/entity/6a69ae01-0b4a-527e-9c2d-b8c49b107db4

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **PIOTROWSKI JOHN L**. Human view: https://whiteintel.dev/entity/7e05ab2f-f192-5514-ac09-b7fd8acdb434 · Structured JSON: https://whiteintel.dev/api/public/dossier/7e05ab2f-f192-5514-ac09-b7fd8acdb434._

_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"._