Mattermost
PrivateLast Round
Series B
Jun 19, 2019
Total Funding Raised
$73.5M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Mattermost operates in Enterprise Software and is based in Palo Alto, California. Its latest recorded funding round was a Series B round in June 2019.
Mattermost is a software company that provides an open-source, self-hostable collaboration and AI automation platform for national security, defense, and critical infrastructure enterprises.
Sector
Enterprise Software
Verticals
Enterprise Communication, Defense Tech, Workflow Automation, Project Management
Business Model
B2B
Customer Profile
Subscription SaaS, Freemium
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Mattermost Comparables
Compare Mattermost with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Rocket.Chat | 88% | |
| Element | 87% | |
| Wire | 81% |
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Mattermost Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Jun 19, 2019 | ||||
| Series A | Feb 5, 2019 | ||||
| Seed | Feb 1, 2017 | ||||
| Accelerator | Aug 1, 2012 | ||||
| Accelerator | Jun 1, 2012 |
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Key People
Founding team and executive leadership
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Mattermost Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| S28 Capital | Series A, Series B, Seed |
| Battery Ventures | Series B |
| Y Combinator | Series A, Accelerator, Series B |
| Redpoint Ventures | Series B, Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 1, 2026
Job posting reveals interoperability with Teams, Outlook, and Microsoft 365.
- Jul 1, 2026
U.S. Department of War disclosed as a customer.
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Mattermost 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.
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Frequently Asked Questions
Common questions about Mattermost's valuation, stock price, and market status.
Is Mattermost a public or private company?
Mattermost is a private company.
What is the current stock price of Mattermost?
Mattermost is a private company, so its shares have no public market price. Caplight tracks Mattermost's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Mattermost worth (valuation)?
Valuation information for Mattermost is not publicly available.
Can I buy Mattermost stock?
Mattermost shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Mattermost's last funding round?
Mattermost's most recent funding round was Series B on June 19, 2019.
Who are the main investors in Mattermost?
Key investors in Mattermost include S28 Capital, Y Combinator, Redpoint Ventures.
Will Mattermost IPO soon?
No public IPO plans have been announced for Mattermost.
How can I track Mattermost secondary market activity?
Caplight tracks bids, offers, and trades in Mattermost's shares on secondary markets.