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Expel

Expel

Private
Herndon, VirginiaCybersecurityhttps://expel.com/

Last Round

Series E

Extension

Oct 3, 2022

Est. Valuation

$1.14B

Total Funding Raised

$288.8M

Company Overview

Expel is a cybersecurity company that provides a managed detection and response (MDR) platform to help organizations identify, investigate, and mitigate security threats.

Sector

Cybersecurity

Verticals

Cloud Security, SIEM, Threat Intelligence, Incident Response, Endpoint Security

Business Model

B2B

Customer Profile

Subscription SaaS, Services & Consulting

AI Layer

Application

Keywords

managed detection and responseMDRmanaged SIEMsecurity operationsSOC as a servicethreat remediationsecurity automationagentic AIthreat intelligenceAI SOCcybersecurity operationsincident responsesecurity orchestrationcloud securityalert fatigue

Historical Pricing

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Caplight Momentum Score

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Expel Comparables

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Expel comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Arctic Wolf
88%
eSentire
88%
Critical Start
85%

Expel Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series E ExtensionOct 3, 2022
Series ENov 18, 2021
Series DMay 13, 2020
Series CJun 19, 2019
Series BApr 10, 2018
Series A
Sep 26, 2016

Key People

Founding team and executive leadership

Yanek Korff

Co-Founder & Chief Operating Officer

Founding Team

Dave Merkel

Co-founder and Chief Executive Officer

Founding Team

Greg Notch

Chief Technology Officer, Chief Security Officer

Executive Team

Zach Blaine

Chief Financial Officer

Executive Team

Expel Investors

Notable investors and investment history

Expel investors
InvestorRounds
Profile Capital ManagementSeries B
LightbankSeries A, Series B
New Enterprise AssociatesSeries C, Series A, Series B
Scale Venture PartnersSeries E, Series C, Series E Extension, Series D, Series B
Paladin Capital GroupSeries C, Series D, Series B, Series E, Series A, Series E Extension
GreycroftSeries E, Series C, Series A, Series D, Series B
Battery VenturesSeries C, Series A, Series E Extension, Series D, Series B

Market signals

Structured signals derived from secondary market and firmographic data.

  • Mar 23, 2026

    Launched new Managed SIEM service at RSAC 2026.

  • Mar 23, 2026

    Launched Managed SIEM co-managed service at RSAC 2026.

Recent news

Latest coverage and updates

  • launchesAug 4, 2026

    Expel launched MDR on Aug 4th '26.

Expel Filings

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Expel filings preview — column headings only; records require access
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Frequently Asked Questions

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

Is Expel a public or private company?

Expel is a private company.

What is the current stock price of Expel?

Expel is a private company with no public stock price. No recent secondary market data is available.

How much is Expel worth (valuation)?

Expel's valuation is estimated at $1.1B based on funding round data.

Can I buy Expel stock?

Expel 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 Expel's last funding round?

Expel's most recent funding round was Series E Extension on October 3, 2022.

Who are the main investors in Expel?

Key investors in Expel include Scale Venture Partners, Paladin Capital Group, Index Ventures, CapitalG.

Will Expel IPO soon?

No public IPO plans have been announced for Expel.

How can I track Expel secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Expel's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersHerndon, Virginia
Employee Range335
Year Founded2016
Last FundingOct 3, 2022

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