Mongoose Bio
Houston, US · Founded 2023 · Delaware corporation
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Mongoose Bio is a company focused on T-cell therapies for cancer, drawing on research into antigen-specific CD8+ T cells, IL-21 priming, and adoptive cell transfer for tumors such as melanoma and Merkel cell carcinoma.
Founders & leadership
Mongoose Bio was founded in 2023 by Cassian Yee.
Reported raises · per SEC filings
Form D private placements$1M disclosed across 1 round · 2023
▶$1MraisedOct 2023 · 1 investors · BiotechnologyRule 506(b)
▶$1MraisedOct 2023 · 1 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Cassian YeeExecutive Officer, Director, Promoter
- Peter HoangDirector, Promoter
- Norman Michael GreenbergExecutive Officer, Director, Promoter
- Shailbala SinghExecutive Officer, Promoter
- Offering amount
- $3M
- Amount sold
- $1M
- First sale
- Oct 2023
- Incorporated
- Corporation, Delaware, 2023
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
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Frequently asked questions
- What does Mongoose Bio do?
- Mongoose Bio is a company focused on T-cell therapies for cancer, drawing on research into antigen-specific CD8+ T cells, IL-21 priming, and adoptive cell transfer for tumors such as melanoma and Merkel cell carcinoma.
- Who founded Mongoose Bio?
- Mongoose Bio was founded by Cassian Yee in 2023.
- How much funding has Mongoose Bio raised?
- Mongoose Bio has disclosed $1M raised across 1 round.
- Where is Mongoose Bio headquartered?
- Mongoose Bio is headquartered in Houston, US.










