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
- First Form D. This is the first new Form D notice the company has filed with the SEC: likely its first priced outside round.
- Still raising. $63M of the $104M offering was still unsold at filing.
$40.7M raised since 2020
1 Form D offering, as reported to the SEC. Amendments update a round; they aren't counted twice.
| Filed | Sold | Offering size | Investors |
|---|---|---|---|
| Oct 16, 2026 | $40.7M | $104M | 25 |
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
| Filed | Form | Raised | Offering size | Investors | Source |
|---|---|---|---|---|---|
| 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.
Updated · Raises in the week of Oct 12, 2026 · Health Care funding in California
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