Estuary Biotherapeutics, Inc. funding

Estuary Biotherapeutics, Inc., a biotechnology company based in Menlo Park, CA (founded 2022), filed a Form D with the SEC on October 16, 2026 and reported $40.7M raised of a $104M offering.

Amount raised$40.7M

Offering size$104M

Filed with the SECOctober 16, 2026

First saleJuly 1, 2026

IndustryBiotechnology

SecuritiesEquity

LocationMenlo Park, CA

Founded2022

Entity typeCorporation

Investors so far25

Minimum investment—

Revenue rangeDecline to Disclose

View the original Form D on SEC EDGAR ↗ · All rounds filed Oct 16

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