---
title: "PLAIN HENRY A JR — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a78f02b5-10fa-5580-b166-8003a23fc252
json: https://whiteintel.dev/api/public/dossier/a78f02b5-10fa-5580-b166-8003a23fc252
identifier: sec:0001384286
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# PLAIN HENRY A JR

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001384286`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a78f02b5-10fa-5580-b166-8003a23fc252  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a78f02b5-10fa-5580-b166-8003a23fc252  

## Ownership & control

### Holdings / subsidiaries

- **SHOULDER INNOVATIONS, INC.** (tenpercentowner) — https://whiteintel.dev/entity/6f3d278b-79b6-5ce3-94fa-d21bc4d01dc3
- **SHOULDER INNOVATIONS, INC.** (other) — https://whiteintel.dev/entity/6f3d278b-79b6-5ce3-94fa-d21bc4d01dc3
- **ALX ONCOLOGY HOLDINGS INC** (tenpercentowner) — https://whiteintel.dev/entity/214eea60-ceaf-51c7-93bc-e0673112a143
- **Disc Medicine, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/6d317465-e113-5fee-9632-915c2579af2d
- **XTENT INC** (director) — https://whiteintel.dev/entity/d6e8d4de-e0d2-52cb-89df-6a2d21baa586
- **XTENT INC** (tenpercentowner) — https://whiteintel.dev/entity/d6e8d4de-e0d2-52cb-89df-6a2d21baa586

## 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 **PLAIN HENRY A JR** — https://whiteintel.dev/entity/a78f02b5-10fa-5580-b166-8003a23fc252 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **PLAIN HENRY A JR**. Human view: https://whiteintel.dev/entity/a78f02b5-10fa-5580-b166-8003a23fc252 · Structured JSON: https://whiteintel.dev/api/public/dossier/a78f02b5-10fa-5580-b166-8003a23fc252._

_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"._