---
title: "STEMPECK BRIAN JOHN — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ec6d74d0-4d62-562e-a467-ceb2aa0ce996
json: https://whiteintel.dev/api/public/dossier/ec6d74d0-4d62-562e-a467-ceb2aa0ce996
identifier: sec:0001671413
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# STEMPECK BRIAN JOHN

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001671413`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ec6d74d0-4d62-562e-a467-ceb2aa0ce996  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ec6d74d0-4d62-562e-a467-ceb2aa0ce996  

## Ownership & control

### Holdings / subsidiaries

- **Trade Desk, Inc.** (director) — https://whiteintel.dev/entity/37d794df-d159-5621-8749-0ad0877f7210
- **Trade Desk, Inc.** (officer) — https://whiteintel.dev/entity/37d794df-d159-5621-8749-0ad0877f7210

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **STEMPECK BRIAN JOHN**. Human view: https://whiteintel.dev/entity/ec6d74d0-4d62-562e-a467-ceb2aa0ce996 · Structured JSON: https://whiteintel.dev/api/public/dossier/ec6d74d0-4d62-562e-a467-ceb2aa0ce996._

_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"._