Mattermost
PrivateLast Round
Series B
Jun 19, 2019
Total Funding Raised
$73.5M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
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, Zero Trust, Workflow Automation, Project Management
Business Model
B2B
Customer Profile
Subscription SaaS, Freemium
AI Layer
Application
Keywords
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 | 85% | |
| Wire | 81% |
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 |
Key People
Founding team and executive leadership
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.
- May 8, 2026
CMO to speak at Women in PR North America WorkWell Conference on May 8, 2026.
- Apr 30, 2026
Lane McFarland appointed as the first Chief People Officer.
Recent news
Latest coverage and updates
- partners_withJul 28, 2026
Mattermost, Inc. partnered with Virtru on Jul 28th '26.
- partners_withJul 22, 2026
Mattermost, Inc. partners with Carahsoft Technology Corp..
- launchesJul 21, 2026
Mattermost, Inc. launched Professional Certification across Asia Pacific and Japan on Jul 21st '26.
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.
Request accessFrequently 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 with no public stock price. No recent secondary market data is available.
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. Visit https://www.caplight.com to learn more.
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 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 for private companies. Visit https://www.caplight.com to monitor Mattermost's secondary market activity and sign up for updates.