---
title: "KRUPKA MICHAEL A — Ownership Dossier"
canonical: https://whiteintel.dev/entity/44779ceb-6ab5-581e-9f4d-9b11df96776d
json: https://whiteintel.dev/api/public/dossier/44779ceb-6ab5-581e-9f4d-9b11df96776d
identifier: sec:0001212150
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# KRUPKA MICHAEL A

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001212150`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/44779ceb-6ab5-581e-9f4d-9b11df96776d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/44779ceb-6ab5-581e-9f4d-9b11df96776d  

## Ownership & control

### Holdings / subsidiaries

- **Rapid7, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/525093c3-e614-50b8-aa15-2f1439c0915e
- **Quanterix Corp** (tenpercentowner) — https://whiteintel.dev/entity/518dbd76-ef0f-5fb7-86e9-e62a0f9f91a1
- **Rapid7, Inc.** (director) — https://whiteintel.dev/entity/525093c3-e614-50b8-aa15-2f1439c0915e
- **VONAGE HOLDINGS CORP** (director) — https://whiteintel.dev/entity/7f8ae74a-aeef-57ec-a851-c7c57d37f8d7
- **VONAGE HOLDINGS CORP** (tenpercentowner) — https://whiteintel.dev/entity/7f8ae74a-aeef-57ec-a851-c7c57d37f8d7
- **LINKEDIN CORP** (tenpercentowner) — https://whiteintel.dev/entity/ae3b5069-eb00-58d1-a3dd-dccf017041ab
- **SOLARWINDS, INC.** (tenpercentowner) — https://whiteintel.dev/entity/66e62681-8150-570c-859e-979023613086
- **PRINCETON REVIEW INC** (tenpercentowner) — https://whiteintel.dev/entity/9c45f026-a6fc-59e6-9864-427f92f1254d
- **PRINCETON REVIEW INC** (director) — https://whiteintel.dev/entity/9c45f026-a6fc-59e6-9864-427f92f1254d
- **EDGAR ONLINE INC** (tenpercentowner) — https://whiteintel.dev/entity/d4c6d8cd-bfa6-5094-92f7-e1d54a263c85
- **NANOSPHERE INC** (tenpercentowner) — https://whiteintel.dev/entity/e77d4670-b719-552b-8050-300e9c08eadf
- **RECRUITSOFT INC** (tenpercentowner) — https://whiteintel.dev/entity/00929434-e114-591a-8995-d5ef6873d790

…and **2** more subsidiaries/holdings. Resolve the full list with `get_dossier` on the WhiteIntel MCP (`npx -y @whiteintel/mcp-server`) or a one-off dossier — https://whiteintel.dev/pricing.

## 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 **KRUPKA MICHAEL A** — https://whiteintel.dev/entity/44779ceb-6ab5-581e-9f4d-9b11df96776d · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **KRUPKA MICHAEL A**. Human view: https://whiteintel.dev/entity/44779ceb-6ab5-581e-9f4d-9b11df96776d · Structured JSON: https://whiteintel.dev/api/public/dossier/44779ceb-6ab5-581e-9f4d-9b11df96776d._

_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"._