1ST Biotherapeutics, Inc.
PrivateLast Round
Series D
Jan 26, 2026
Total Funding Raised
$107.72M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
1ST Biotherapeutics, Inc. is a biotechnology company that develops a pipeline of small molecule therapeutics for neurodegenerative diseases, immuno-oncology, and rare diseases.
Sector
Healthcare & Life Sciences
Verticals
Biotechnology, Drug Discovery
Business Model
B2B
Customer Profile
Services & Consulting
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
1ST Biotherapeutics, Inc. Comparables
Compare 1ST Biotherapeutics, Inc. with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Neuron23 | 83% | |
| Origami Therapeutics | 76% | |
| C4 Therapeutics | 75% |
1ST Biotherapeutics, Inc. Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series D | Jan 26, 2026 | ||||
| Series C Extension | Jul 14, 2023 | ||||
| VC Round | Jul 30, 2020 | ||||
| Series B | Apr 17, 2018 | ||||
| Series A | Nov 30, 2016 |
1ST Biotherapeutics, Inc. Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Woori Investment & Securities | Series D |
| InterVest | Series B |
| LigaChem Biosciences | Series D |
| BNH INVESTMENT | Series B |
| CKD Venture Capital | Series D |
| Shinhan Venture Investment | VC Round |
| Smilegate Investment | Series C Extension, VC Round, Series D |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jan 26, 2026
$22M round led by Groom Investment and Smilegate Investment.
- Jul 30, 2020
$14.3M raised from Neoplux, Shinhan, and Smilegate.
Recent news
Latest coverage and updates
- receives_financingSep 17, 2026
1st Biotherapeutics, Inc. received financing of $2.2M in strategic equity investment on Sep 17th '26.
1ST Biotherapeutics, Inc. Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about 1ST Biotherapeutics, Inc.'s valuation, stock price, and market status.
Is 1ST Biotherapeutics, Inc. a public or private company?
1ST Biotherapeutics, Inc. is a private company.
What is the current stock price of 1ST Biotherapeutics, Inc.?
1ST Biotherapeutics, Inc. is a private company with no public stock price. No recent secondary market data is available.
How much is 1ST Biotherapeutics, Inc. worth (valuation)?
Valuation information for 1ST Biotherapeutics, Inc. is not publicly available.
Can I buy 1ST Biotherapeutics, Inc. stock?
1ST Biotherapeutics, Inc. shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.
When was 1ST Biotherapeutics, Inc.'s last funding round?
1ST Biotherapeutics, Inc.'s most recent funding round was Series D on January 26, 2026.
Who are the main investors in 1ST Biotherapeutics, Inc.?
Key investors in 1ST Biotherapeutics, Inc. include Smilegate Investment, Groom Investment.
Will 1ST Biotherapeutics, Inc. IPO soon?
No public IPO plans have been announced for 1ST Biotherapeutics, Inc..
How can I track 1ST Biotherapeutics, Inc. secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor 1ST Biotherapeutics, Inc.'s secondary market activity and sign up for updates.