# Topos Bio, Inc. — Form D

Topos Bio, Inc. of SAN FRANCISCO, CA, a company, filed a Form D exempt-offering notice with the SEC on 2025-01-07. The offering totals $10.5M, of which $9.0M was reported sold. Industry: Other.

## Offering

- Filed: 2025-01-07
- Form: D
- Accession: 0002050962-25-000001
- Industry: Other
- Exemptions: 06b
- Total offering: $10.5M
- Amount sold: $9.0M
- Remaining: $1.5M
- Investors: 2
- Date of first sale: 2024-12-23
- Security types: equity
- Revenue range: Decline to Disclose
- SEC file number: 021-534438

## Issuer

- Name: Topos Bio, Inc.
- CIK: 0002050962
- Entity type: Corporation
- Jurisdiction: DELAWARE
- Incorporated: 2024
- Address: 1517 N. POINT STREET #445-A, SAN FRANCISCO, CA, 94123
- Phone: 510-806-7955

## Officers, directors & promoters (7)

| Name | Role | Location |
| --- | --- | --- |
| Ellen Chisa | Director | SAN FRANCISCO, CA |
| Amir Khosrowshahi | Director | San Francisco, CA |
| Ryan Zarcone | Director | San Francisco, CA |
| Amir Khosrowshahi | Executive Officer | San Francisco, CA |
| Ryan Zarcone | Executive Officer | San Francisco, CA |
| Amir Khosrowshahi | Promoter | San Francisco, CA |
| Ryan Zarcone | Promoter | San Francisco, CA |

## More

- [CIK 2050962 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2050962&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0002050962-25-000001.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

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.