---
title: "SHIRE MARK F — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ef5c11d4-e37b-5f4b-8adf-a739a720a665
json: https://whiteintel.dev/api/public/dossier/ef5c11d4-e37b-5f4b-8adf-a739a720a665
identifier: sec:0001215760
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SHIRE MARK F

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001215760`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ef5c11d4-e37b-5f4b-8adf-a739a720a665  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ef5c11d4-e37b-5f4b-8adf-a739a720a665  

## Ownership & control

### Holdings / subsidiaries

- **PLAINS ALL AMERICAN PIPELINE LP** (officer) — https://whiteintel.dev/entity/e7a91365-a25d-5aa3-bd9e-aa4d93de5b51

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SHIRE MARK F**. Human view: https://whiteintel.dev/entity/ef5c11d4-e37b-5f4b-8adf-a739a720a665 · Structured JSON: https://whiteintel.dev/api/public/dossier/ef5c11d4-e37b-5f4b-8adf-a739a720a665._

_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"._