# SightStream Biotherapeutics, Inc. — Form D

SightStream Biotherapeutics, Inc. of WALPOLE, MA, a company, filed a Form D exempt-offering notice with the SEC on 2022-06-03. The offering totals $1.9M, of which $1.9M was reported sold. Industry: Biotechnology.

## Offering

- Filed: 2022-06-03
- Form: D
- Accession: 0001932386-22-000002
- Industry: Biotechnology
- Exemptions: 06b
- Total offering: $1.9M
- Amount sold: $1.9M
- Investors: 13
- Date of first sale: 2022-05-25
- Revenue range: Decline to Disclose
- SEC file number: 021-448088

## Issuer

- Name: SightStream Biotherapeutics, Inc.
- CIK: 0001932386
- Entity type: Corporation
- Jurisdiction: DELAWARE
- Incorporated: 2020
- Address: 55 WEST STREET, SUITE 201, WALPOLE, MA, 02081
- Phone: 617-388-2635

## Officers, directors & promoters (7)

| Name | Role | Location |
| --- | --- | --- |
| Samuel Wu | Director | Walpole, MA |
| Wenkai Xiang | Director | Walpole, MA |
| David Neafus | Executive Officer | Walpole, MA |
| Reza Dana | Director | Half Moon Bay, CA |
| Jason Werner | Director | Walpole, MA |
| Jason Werner | Executive Officer | Walpole, MA |
| Jiagang Zhao | Director | Medfield, MA |

## Other filings by this issuer (5)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2025-10-16](https://search.stillhousedata.com/formd/0001932386-25-000003) | D | $1.8M | $1.8M |
| [2023-08-25](https://search.stillhousedata.com/formd/0001932386-23-000003) | D | $1.3M | $250K |
| [2023-06-12](https://search.stillhousedata.com/formd/0001932386-23-000002) | D/A | $3.5M | $3.1M |
| [2023-03-01](https://search.stillhousedata.com/formd/0001932386-23-000001) | D/A | $3.5M | $2.9M |
| [2022-06-03](https://search.stillhousedata.com/formd/0001932386-22-000001) | D | — | — |

## More

- [CIK 1932386 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1932386&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0001932386-22-000002.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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