# John C Crumpler

John C Crumpler appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. 11 filing roles across Form D (6), Form ADV (5).

## Filings (11)

| Filed | Source | Entity | Role | Location |
| --- | --- | --- | --- | --- |
| 2025-04-01 | Form ADV | [HATTERAS VENTURE ADVISORS IV, LLC](https://search.stillhousedata.com/firm/161496) | MANAGING MEMBER | DURHAM, NC |
| 2025-04-01 | Form ADV | [HATTERAS VENTURE ADVISORS III, LLC](https://search.stillhousedata.com/firm/161495) | MANAGING MEMBER | DURHAM, NC |
| 2025-04-01 | Form ADV | [HATTERAS VENTURE ADVISORS V LLC](https://search.stillhousedata.com/firm/289173) | MANAGER | DURHAM, NC |
| 2025-04-01 | Form ADV | [HATTERAS VENTURE ADVISORS VII, LLC](https://search.stillhousedata.com/firm/320715) | MANAGER | DURHAM, NC |
| 2025-04-01 | Form ADV | [HATTERAS VENTURE ADVISORS VI, LLC](https://search.stillhousedata.com/firm/304184) | MANAGER | DURHAM, NC |
| 2012-12-28 | Form D | [Hatteras Venture Partners IV, LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1527332&type=&dateb=&owner=include&count=40) | Executive Officer | RALEIGH, NC |
| 2018-06-19 | Form D | [Medfusion, Inc.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1418731&type=&dateb=&owner=include&count=40) | Director | CARY, NC |
| 2015-08-24 | Form D | [Hatteras Venture Partners V, LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1651271&type=&dateb=&owner=include&count=40) | Executive Officer | DURHAM, NC |
| 2020-10-15 | Form D | [Hatteras Venture Partners VI, LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1773613&type=&dateb=&owner=include&count=40) | Executive Officer | DURHAM, NC |
| 2024-03-07 | Form D | [Hatteras Opportunity Fund I, LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1903125&type=&dateb=&owner=include&count=40) | Executive Officer | DURHAM, NC |
| 2023-09-08 | Form D | [Hatteras Venture Partners VII, LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1902943&type=&dateb=&owner=include&count=40) | Executive Officer | DURHAM, NC |


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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.