# Kathryn Mayne

Kathryn Mayne of San Francisco, CA appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. 5 filing roles across Form D (4), Form ADV (1).

## Filings (5)

| Filed | Source | Entity | Role | Location |
| --- | --- | --- | --- | --- |
| 2025-07-31 | Form ADV | [HORSLEY BRIDGE PARTNERS LLC](https://search.stillhousedata.com/firm/110877) | MANAGING DIRECTOR | SAN FRANCISCO, CA |
| 2023-12-19 | Form D | [HORSLEY BRIDGE VENTURE 15 FEEDER, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2002922&type=&dateb=&owner=include&count=40) | Executive Officer | SAN FRANCISCO, CA |
| 2023-12-05 | Form D | [HORSLEY BRIDGE VENTURE 15, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2002856&type=&dateb=&owner=include&count=40) | Director | SAN FRANCISCO, CA |
| 2026-07-09 | Form D | [Horsley Bridge Venture 16, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2138621&type=&dateb=&owner=include&count=40) | Related Person | San Francisco, CA |
| 2026-09-15 | Form D | [Horsley Bridge Growth 15, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2154766&type=&dateb=&owner=include&count=40) | Related Person | San Francisco, CA |


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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.