HumanSignal
PrivateLast Round
Series A
May 18, 2022
Total Funding Raised
$30.15M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
HumanSignal is a data technology company that provides an open-source data labeling platform and managed data services to help machine learning teams annotate, evaluate, and fine-tune AI models.
Sector
AI, Data & Cloud Infrastructure
Verticals
ML Platforms, AI Training Infrastructure, Computer Vision
Business Model
B2B
Customer Profile
Subscription SaaS, Services & Consulting, Freemium
AI Layer
Infrastructure
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
HumanSignal Comparables
Compare HumanSignal with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| V7 | 87% | |
| SuperAnnotate | 86% | |
| Datasaur | 86% | |
HumanSignal Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | May 18, 2022 | ||||
| Seed | Oct 8, 2020 | ||||
| Accelerator | Jul 1, 2019 |
Key People
Founding team and executive leadership
HumanSignal Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| 500 Global | Accelerator |
| Bow Capital | Series A, Seed |
| Redpoint Ventures | Series A |
| Swift Ventures | Series A, Seed |
| Unusual Ventures | Series A, Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 16, 2026
Added OM1, Inc. as a customer in Healthcare Technology.
- Apr 9, 2026
Open-source product has over 250,000 users and processed hundreds of millions of samples.
HumanSignal Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about HumanSignal's valuation, stock price, and market status.