# DoubleRainbow Biosciences Inc. — Form D

DoubleRainbow Biosciences Inc. of CAMBRIDGE, MA, a company, filed a Form D exempt-offering notice with the SEC on 2019-04-22. The offering totals $3.0M, of which $3.0M was reported sold. Industry: Biotechnology.

## Offering

- Filed: 2019-04-22
- Form: D
- Accession: 0001749735-19-000002
- Industry: Biotechnology
- Exemptions: 06b
- Total offering: $3.0M
- Amount sold: $3.0M
- Investors: 2
- Security types: equity
- Revenue range: Decline to Disclose
- SEC file number: 021-337780

## Issuer

- Name: DoubleRainbow Biosciences Inc.
- CIK: 0001749735
- Entity type: Corporation
- Jurisdiction: DELAWARE
- Incorporated: 2017
- Address: 840 MEMORIAL DRIVE, 1ST FLOOR, CAMBRIDGE, MA, 02139
- Phone: 617-945-9790

## Officers, directors & promoters (13)

| Name | Role | Location |
| --- | --- | --- |
| Wei Gong | Related Person | Cambridge, MA |
| Jing-Ke Weng | Related Person | Cambridge, MA |
| Tian Xu | Related Person | Cambridge, MA |
| John Yu | Related Person | Cambridge, MA |
| Wan Yu | Related Person | Cambridge, MA |
| John Yu | Director | Cambridge, MA |
| Tian Xu | Director | Cambridge, MA |
| Tian Xu | Executive Officer | Cambridge, MA |
| Jing-Ke Weng | Director | Cambridge, MA |
| Jing-Ke Weng | Executive Officer | Cambridge, MA |
| Wei Gong | Executive Officer | Cambridge, MA |
| Jiangtao Yu | Director | Cambridge, MA |
| Wan Yu | Executive Officer | Cambridge, MA |

## Other filings by this issuer (2)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2020-11-04](https://search.stillhousedata.com/formd/0001749735-20-000001) | D | $20.0M | $10.0M |
| [2018-08-13](https://search.stillhousedata.com/formd/0001749735-18-000002) | D | $7.0M | $2.0M |

## More

- [CIK 1749735 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1749735&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0001749735-19-000002.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.
