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Mattermost

Mattermost

Private
Palo Alto, CaliforniaEnterprise Softwarehttps://mattermost.com/

Last 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

open-source collaborationself-hosted collaborationair-gapped communicationsovereign cloudsecure messagingslack alternativeworkflow automationdefense techdata sovereigntyai agentsmission-critical operationson-premises softwareproject managementcollaboration hubprivate cloud

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Mattermost Comparables

Compare Mattermost with similar companies based on industry and business-model similarity.

Mattermost comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Rocket.Chat
88%
Element
85%
Wire
81%

Mattermost Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BJun 19, 2019
Series AFeb 5, 2019
SeedFeb 1, 2017
AcceleratorAug 1, 2012
AcceleratorJun 1, 2012

Key People

Founding team and executive leadership

Corey Hulen

Founder and CTO

Founding Team

Kendra Niedziejko

Chief Financial Officer

Executive Team

Mattermost Investors

Notable investors and investment history

Mattermost investors
InvestorRounds
S28 CapitalSeries A, Series B, Seed
Battery VenturesSeries B
Y CombinatorSeries A, Accelerator, Series B
Redpoint VenturesSeries 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.

Mattermost Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Mattermost Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Mattermost's valuation, stock price, and market status.

Firmographic Details

HeadquartersPalo Alto, California
Employee Range168
Year Founded2016
Last FundingJun 19, 2019

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