Del Mar, CA · Health Care · Form D filed Aug 18, 2026
Guide Star Biosciences, Inc. raised $925K
Guide Star Biosciences, Inc. is a biotechnology company based in Del Mar, California. In a Form D filed with the SEC on August 18, 2026, it reported raising $925,000 from 12 investors as part of an offering of up to $1,200,000. The first sale in the offering took place on August 13, 2026.
- 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. $275K of the $1.2M offering was still unsold at filing.
$925K 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 |
|---|---|---|---|
| Aug 18, 2026 | $925K | $1.2M | 12 |
Lead score
33 out of 100
first raise ever still raising young company
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Filing details
- Amount raised
- $925,000
- Offering size
- $1,200,000
- Investors so far
- 12
- Minimum investment
- $25,000
- First sale
- August 13, 2026
- Securities offered
- Equity, Options or warrants, Securities issuable on exercise or conversion
- Exemption claimed
- Rule 506(b)
- Industry
- Biotechnology
- Headquarters
- Del Mar, California
- Incorporated
- Delaware, 2026
- Entity type
- Corporation
Filings
| Filed | Form | Raised | Offering size | Investors | Source |
|---|---|---|---|---|---|
| D (new notice) | $925,000 | $1,200,000 | 12 | 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 Aug 17, 2026 · Health Care funding in California · August 2026 funding report
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