---
title: "AGA MEDICAL HOLDINGS, INC. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d0e5a075-3df2-5b5c-a60c-4bc8a57fc7fb
json: https://whiteintel.dev/api/public/dossier/d0e5a075-3df2-5b5c-a60c-4bc8a57fc7fb
identifier: sec:0001421419
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# AGA MEDICAL HOLDINGS, INC.

**Type:** Company  
**Jurisdiction:** US  
**Identifier:** `sec:0001421419`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/d0e5a075-3df2-5b5c-a60c-4bc8a57fc7fb  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d0e5a075-3df2-5b5c-a60c-4bc8a57fc7fb  

## Ownership & control

### Owners / controllers

- **CLARK JOHN D** (tenpercentowner) — https://whiteintel.dev/entity/8fb7e181-a7bf-551a-b8f7-4fc2172fb751
- **WELSH CARSON ANDERSON & STOWE IX LP** (tenpercentowner) — https://whiteintel.dev/entity/620335fc-5231-5294-9e35-aede38ac818d
- **PELAK DANIEL A** (director) — https://whiteintel.dev/entity/b9d299c0-40ec-537a-825f-d3924b5e85db
- **WCAS CAPITAL PARTNERS IV, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/0d7115c1-a1a4-56af-a58e-534f37c4e99e
- **LEE ERIC J.** (tenpercentowner) — https://whiteintel.dev/entity/8cc06d44-e411-5cf3-ae80-11bfc699eb7b
- **LUND RONALD E** (officer) — https://whiteintel.dev/entity/8e0668a2-e95b-5f59-8ff3-c7e756d9f8f2
- **MCINERNEY THOMAS E** (tenpercentowner) — https://whiteintel.dev/entity/c4dc7c9a-2108-5eca-9adc-ba3063d1623d
- **MCINERNEY THOMAS E** (director) — https://whiteintel.dev/entity/c4dc7c9a-2108-5eca-9adc-ba3063d1623d
- **MACKESY D SCOTT** (tenpercentowner) — https://whiteintel.dev/entity/7415aab4-aa5a-52b0-b91c-c29c61836467
- **ALMEIDA JOHN** (director) — https://whiteintel.dev/entity/2d7ef368-32ac-5559-b11c-6665865a43e7
- **MAKES BRIGID** (officer) — https://whiteintel.dev/entity/11e06272-3a82-5431-8b5d-70cdc2ee3b06
- **MINICUCCI ROBERT A** (tenpercentowner) — https://whiteintel.dev/entity/c335c759-6b48-59af-9195-2225b33e7ad9
- **RATHER JONATHAN M** (tenpercentowner) — https://whiteintel.dev/entity/d7499a3c-a48f-5b8e-a062-0453fb3021d0
- **CARSON RUSSELL L** (tenpercentowner) — https://whiteintel.dev/entity/bda18ed3-a388-53a1-a0d4-c1b52c98f8f9
- **HELMS JACK P** (director) — https://whiteintel.dev/entity/2844f46d-64a4-5f48-8e76-9dccab55de98
- **ANDERSON BRUCE K** (tenpercentowner) — https://whiteintel.dev/entity/a3bf334d-5591-529c-998e-fe9ff94a46be
- **WCAS MANAGEMENT CORP** (tenpercentowner) — https://whiteintel.dev/entity/9ae66f87-f24c-53aa-9428-e005853d423c
- **QUAELLY PAUL B** (director) — https://whiteintel.dev/entity/49dc1bfd-79fe-5d09-9e9d-86573e99b614
- **SWANI SANJAY** (tenpercentowner) — https://whiteintel.dev/entity/27d20444-869a-5f7c-bd76-646d7d5a0942
- **SCULLY THOMAS** (tenpercentowner) — https://whiteintel.dev/entity/a9266da6-9dfe-5662-86ff-29e02399f09e
- **DENICOLA ANTHONY J** (tenpercentowner) — https://whiteintel.dev/entity/4d7d30ce-fcfd-59c8-a677-728f3acaa1ad
- **TRAYNOR SEAN** (director) — https://whiteintel.dev/entity/936e2294-30d8-5d80-96be-46dddb2ec44c
- **TRAYNOR SEAN** (tenpercentowner) — https://whiteintel.dev/entity/936e2294-30d8-5d80-96be-46dddb2ec44c
- **BARR JOHN R** (officer) — https://whiteintel.dev/entity/7aac71fe-1806-5abf-95c9-50264631e6ab
- **Thompson Tommy G** (director) — https://whiteintel.dev/entity/a5f8bccb-117b-554d-b84b-c5a60c9351ae
- **WELSH PATRICK J** (tenpercentowner) — https://whiteintel.dev/entity/78bd9537-50f8-5293-b9b1-fee79e7adf5d
- **QUAELLY PAUL B** (tenpercentowner) — https://whiteintel.dev/entity/49dc1bfd-79fe-5d09-9e9d-86573e99b614
- **TAMOSUINAS DARRELL J.** (director) — https://whiteintel.dev/entity/6c8d36c8-bc37-57bc-b1c8-4bc3ae7607e9
- **RAPPUHN TERRY ALLISON** (director) — https://whiteintel.dev/entity/afa82167-5322-598f-8f1f-9943139e9693
- **ALMEIDA JOHN** (tenpercentowner) — https://whiteintel.dev/entity/2d7ef368-32ac-5559-b11c-6665865a43e7
- **GOUGEON FRANCK L** (director) — https://whiteintel.dev/entity/5fd3fc0f-13d1-517e-bd56-21c36b0eec71
- **GOUGEON SHARES, LLC** (tenpercentowner) — https://whiteintel.dev/entity/3f5810a8-9a57-5a8d-a8d7-df78644b4b1e
- **GOUGEON FRANCK L** (tenpercentowner) — https://whiteintel.dev/entity/5fd3fc0f-13d1-517e-bd56-21c36b0eec71
- **FRANCK L GOUGEON REVOCABLE TRUST UNDER AGREEMENT DATED JUNE 28, 2006, AS AMENDED ON APRIL 21, 2008 & AS AMENDED & RESTATED ON AUGUST 18, 2008** (tenpercentowner) — https://whiteintel.dev/entity/6b9f3567-dfde-5be4-9e98-1460b8dce722

### UBO chain (walk to the ultimate owner)

1. **CLARK JOHN D** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*
1. **WELSH CARSON ANDERSON & STOWE IX LP** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*
1. **PELAK DANIEL A** — director → *AGA MEDICAL HOLDINGS, INC.*
1. **WCAS CAPITAL PARTNERS IV, L.P.** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*
1. **LEE ERIC J.** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*
1. **LUND RONALD E** — officer → *AGA MEDICAL HOLDINGS, INC.*
1. **MCINERNEY THOMAS E** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*
1. **MCINERNEY THOMAS E** — director → *AGA MEDICAL HOLDINGS, INC.*
1. **MACKESY D SCOTT** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*
1. **ALMEIDA JOHN** — director → *AGA MEDICAL HOLDINGS, INC.*
1. **MAKES BRIGID** — officer → *AGA MEDICAL HOLDINGS, INC.*
1. **MINICUCCI ROBERT A** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*
1. **RATHER JONATHAN M** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*
1. **CARSON RUSSELL L** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*
1. **HELMS JACK P** — director → *AGA MEDICAL HOLDINGS, INC.*
1. **ANDERSON BRUCE K** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*
1. **WCAS MANAGEMENT CORP** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*
1. **QUAELLY PAUL B** — director → *AGA MEDICAL HOLDINGS, INC.*
1. **SWANI SANJAY** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*
1. **SCULLY THOMAS** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*
1. **DENICOLA ANTHONY J** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*
1. **TRAYNOR SEAN** — director → *AGA MEDICAL HOLDINGS, INC.*
1. **TRAYNOR SEAN** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*
1. **BARR JOHN R** — officer → *AGA MEDICAL HOLDINGS, INC.*
1. **Thompson Tommy G** — director → *AGA MEDICAL HOLDINGS, INC.*
1. **WELSH PATRICK J** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*
1. **QUAELLY PAUL B** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*
1. **TAMOSUINAS DARRELL J.** — director → *AGA MEDICAL HOLDINGS, INC.*
1. **RAPPUHN TERRY ALLISON** — director → *AGA MEDICAL HOLDINGS, INC.*
1. **ALMEIDA JOHN** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*
1. **GOUGEON FRANCK L** — director → *AGA MEDICAL HOLDINGS, INC.*
1. **GOUGEON SHARES, LLC** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*
1. **GOUGEON FRANCK L** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*
1. **FRANCK L GOUGEON REVOCABLE TRUST UNDER AGREEMENT DATED JUNE 28, 2006, AS AMENDED ON APRIL 21, 2008 & AS AMENDED & RESTATED ON AUGUST 18, 2008** — tenpercentowner → *AGA MEDICAL HOLDINGS, INC.*

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **AGA MEDICAL HOLDINGS, INC.**. Human view: https://whiteintel.dev/entity/d0e5a075-3df2-5b5c-a60c-4bc8a57fc7fb · Structured JSON: https://whiteintel.dev/api/public/dossier/d0e5a075-3df2-5b5c-a60c-4bc8a57fc7fb._

_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"._