---
title: "SPENCER JOHN N JR — Ownership Dossier"
canonical: https://whiteintel.dev/entity/24f91b1d-e390-5ad4-bbd3-b5c4d8b30bd4
json: https://whiteintel.dev/api/public/dossier/24f91b1d-e390-5ad4-bbd3-b5c4d8b30bd4
identifier: sec:0001270555
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SPENCER JOHN N JR

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001270555`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/24f91b1d-e390-5ad4-bbd3-b5c4d8b30bd4  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/24f91b1d-e390-5ad4-bbd3-b5c4d8b30bd4  

## Ownership & control

### Holdings / subsidiaries

- **GeoVax Labs, Inc.** (director) — https://whiteintel.dev/entity/98b1a67a-6595-56a9-a088-617b77503a8f
- **ClearPoint Neuro, Inc.** (director) — https://whiteintel.dev/entity/06477cf2-f153-5361-8cbc-df7695915958
- **BROCK CONTROL SYSTEMS INC** (director) — https://whiteintel.dev/entity/7ba1c9a3-df75-5106-a3a9-c0ab75551e08

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SPENCER JOHN N JR**. Human view: https://whiteintel.dev/entity/24f91b1d-e390-5ad4-bbd3-b5c4d8b30bd4 · Structured JSON: https://whiteintel.dev/api/public/dossier/24f91b1d-e390-5ad4-bbd3-b5c4d8b30bd4._

_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"._