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Menlo Park, CA · Health Care · Form D filed Oct 16, 2026NewNo press found

Estuary Biotherapeutics, Inc. raised $40.7M

Estuary Biotherapeutics, Inc. is a biotechnology company based in Menlo Park, California. In a Form D filed with the SEC on October 16, 2026, it reported raising $40,654,685 from 25 investors as part of an offering of up to $103,654,385. The first sale in the offering took place on July 1, 2026.

No press found. No news article or press release about this raise turned up when we searched on October 17, 2026. Announcements sometimes come weeks after a filing, so we check again. More raises with no press found

$40.7M raised since 2020

1 Form D offering, as reported to the SEC. Amendments update a round; they aren't counted twice.

FiledSoldOffering sizeInvestors
Oct 16, 2026$40.7M$104M25

Lead score

72 out of 100

filed this week first raise ever still raising budget to spend no press yet

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Filing details

Amount raised
$40,654,685
Offering size
$103,654,385
Investors so far
25
First sale
July 1, 2026
Securities offered
Equity
Exemption claimed
Rule 506(b)
Industry
Biotechnology
Headquarters
Menlo Park, California
Incorporated
Delaware, 2022
Entity type
Corporation

Filings

FiledFormRaisedOffering sizeInvestorsSource
D (new notice) $40,654,685 $103,654,385 25 SEC filing

Figures come from the company's own filing with the SEC and are shown as reported. How to read a Form D.

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