# Siren Biotechnology, Inc — Form C (Regulation Crowdfunding)

Siren Biotechnology, Inc of San Francisco, CA filed a Form C (Regulation Crowdfunding) with the SEC on 2025-04-02. Target raise $50K, up to $5.0M. Offered through Wefunder Portal LLC.

## Offering

- Filed: 2025-04-02
- Form: C
- Accession: 0001670254-25-000274
- Target amount: $50K
- Maximum amount: $5.0M
- Security type: Preferred Stock
- Securities offered: 7,800
- Price: $6.4100
- Deadline: 2026-04-30
- Funding portal / intermediary: Wefunder Portal LLC
- Intermediary file number: 007-00033
- Intermediary CRD: 283503

## Issuer

- CIK: 0002020584
- Website: https://www.sirenbiotechnology.com/
- Legal status: Corporation
- Organized in: DE
- Incorporated: 2020-09-14
- Address: 953 Indiana Street, San Francisco, CA, 94107
- Employees: 6

## Financials (as filed)

- Total assets (most recent): $17.5M
- Cash (most recent): $17.4M
- Net income (most recent): $-4.7M
- Net income (prior): $-3.7M
- Short-term debt: $785K

## People (2)

| Name | Role | Location |
| --- | --- | --- |
| Bradford Allen | Venture Partner | San Francisco, CA |
| Nicole K. Paulk | CEO, Founder, and President | San Francisco, CA |

## Reg CF filing history (2)

| Filed | Form | Target | Max |
| --- | --- | --- | --- |
| [2026-04-06](https://search.stillhousedata.com/formc/0002020584-26-000001) | C-AR | — | — |

## More

- [CIK 2020584 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2020584&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formc/0001670254-25-000274.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.