# Jason Winsten

Jason Winsten of Boulder, CO appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. 15 filing roles across Form D (14), Form ADV (1).

## Filings (15)

| Filed | Source | Entity | Role | Location |
| --- | --- | --- | --- | --- |
| 2025-03-18 | Form ADV | [RUBICON TECHNOLOGY MANAGEMENT L.L.C.](https://search.stillhousedata.com/firm/169875) | PARTNER, MANAGING MEMBER | BOULDER, CO |
| 2020-04-01 | Form D | [Rubicon Technology Partners III L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1805021&type=&dateb=&owner=include&count=40) | Executive Officer | BOULDER, CO |
| 2021-02-12 | Form D | [RTP C Holdings LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1845841&type=&dateb=&owner=include&count=40) | Executive Officer | BOULDER, CO |
| 2021-06-07 | Form D | [RTP D Holdings LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1865620&type=&dateb=&owner=include&count=40) | Executive Officer | BOULDER, CO |
| 2023-03-31 | Form D | [Rubicon Technology Partners IV L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1888712&type=&dateb=&owner=include&count=40) | Executive Officer | Boulder, CO |
| 2022-08-22 | Form D | [RTP F Holdings LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1932260&type=&dateb=&owner=include&count=40) | Executive Officer | BOULDER, CO |
| 2022-12-23 | Form D | [RTP G Holdings LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1957743&type=&dateb=&owner=include&count=40) | Executive Officer | BOULDER, CO |
| 2023-03-09 | Form D | [RTP H Holdings LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1966326&type=&dateb=&owner=include&count=40) | Executive Officer | Boulder, CO |
| 2023-10-26 | Form D | [RTP J Holdings LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1991202&type=&dateb=&owner=include&count=40) | Executive Officer | BOULDER, CO |
| 2024-05-07 | Form D | [RTP K Holdings LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2021050&type=&dateb=&owner=include&count=40) | Executive Officer | BOULDER, CO |
| 2024-08-16 | Form D | [RTP C Holdings Roll LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2033733&type=&dateb=&owner=include&count=40) | Executive Officer | BOULDER, CO |
| 2024-08-16 | Form D | [Rubicon Fund II Roll L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2033749&type=&dateb=&owner=include&count=40) | Executive Officer | BOULDER, CO |
| 2024-10-03 | Form D | [Rubicon Continuation Fund L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2033704&type=&dateb=&owner=include&count=40) | Executive Officer | BOULDER, CO |
| 2025-05-23 | Form D | [RTP L Holdings LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2067760&type=&dateb=&owner=include&count=40) | Executive Officer | BOULDER, CO |
| 2026-02-03 | Form D | [RTP M Holdings LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2109008&type=&dateb=&owner=include&count=40) | Executive Officer | BOULDER, CO |


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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.