Mastra
PrivateLast Round
Series A
Apr 9, 2026
Total Funding Raised
$48M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Mastra is a software company that provides an open-source TypeScript framework for building, deploying, and managing AI agents and workflows.
Sector
AI, Data & Cloud Infrastructure
Verticals
ML Platforms, Workflow Automation, NLP & Conversational AI
Business Model
B2B
Customer Profile
Usage-Based SaaS, Subscription SaaS
AI Layer
Infrastructure
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Mastra Comparables
Compare Mastra with similar companies based on industry and business-model similarity.
Mastra Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | Apr 9, 2026 | ||||
| Seed | Oct 8, 2025 | ||||
| Seed | Mar 1, 2025 |
Key People
Founding team and executive leadership
Mastra Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Gradient Ventures | Series A, Seed |
| Pioneer Fund | Seed |
| SV Angel | Seed |
| Palm Drive Capital | Seed |
| Defy Partners Management | Seed |
| Orange Collective | Seed |
| Y Combinator | Series A, Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 24, 2026
Open roles increased to 11, 2.2x the trailing average.
- Aug 16, 2026
Grew 16% QoQ, from 49 to 57 employees.
Recent news
Latest coverage and updates
- partners_withSep 2, 2026
Mastra partnered with Daytona on Sep 2nd '26.
- has_revenueAug 10, 2026
Mastra had revenue of $3.5M on Sep 1st '25.
- launchesAug 10, 2026
Mastra launched SensitiveDataFilter on Aug 10th '26.
- launchesJul 27, 2026
Mastra was planning to launch Datasets and Experiments on Mar 1st '26.
- launchesJul 27, 2026
Mastra launched Trace Intelligence on Jul 27th '26.
Mastra 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 Mastra's valuation, stock price, and market status.
Is Mastra a public or private company?
Mastra is a private company.
What is the current stock price of Mastra?
Mastra is a private company with no public stock price. No recent secondary market data is available.
How much is Mastra worth (valuation)?
Valuation information for Mastra is not publicly available.
Can I buy Mastra stock?
Mastra 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 Mastra's last funding round?
Mastra's most recent funding round was Series A on April 9, 2026.
Who are the main investors in Mastra?
Key investors in Mastra include Y Combinator, Spark Capital.
Will Mastra IPO soon?
No public IPO plans have been announced for Mastra.
How can I track Mastra secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Mastra's secondary market activity and sign up for updates.