United States · Series A startup

Who invested in Abnormal Security

One round we have observed, with the one investor named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Cybersecurity

Valuation: $5.1B, Mar 2026

Funding summaryUpdated 26 Oct 2026

$24Mraised across 1 round since 2019, from 1 source

Latest round
Series A, $24MNov 2019
Investors
1
See who backed them

The rounds

  1. Nov 2019
    Series A$24M

    Reported by FinSMEsSEC filing: $22M sold, first sale Apr 2018

Founders and team

From Abnormal Security's own website and the SEC filings it signed: 2 founders, 13 on the team.

Evan ReiserFounder & CEONamed on its 2022 Form D
Sanjay JeyakumarCo-FounderNamed on its 2022 Form D
  • Abhi BagriChief Technology Officer
  • John SlavittChief Legal Officer
  • Kevin MooreChief Revenue Officer
  • Lisa BanksChief Financial Officer
  • Lisa WallaceChief People & Transformation Officer
  • Mike BrittonChief Information Officer
  • Keith MokrisVP of Product and Content Marketing
  • Noah RolffVP of Customer Success
  • Ryan Patel-FrancisVP of Revenue Marketing
  • Rob MazzoniBoard Member
  • Asheem ChandnaBoard Member
  • Saam MotamediBoard Member
  • Stephen WardBoard Member

On the board, as filediRajiv GuptaVenky Ganesan

Everyone who backed them

GreylockVC firm1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

These 4 firms list Abnormal Security as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

Alkeon CapitalVC firmPer its own site
Rogue Insight CapitalVC firmPer its own site
ConduitAcceleratorPer its own site
TSGAngel networkPer its own site

Quick answers about Abnormal Security

Who invested in Abnormal Security?

Abnormal Security's investors include Greylock.

How much has Abnormal Security raised?

Abnormal Security has raised $24M across 1 round since 2019.

When did Abnormal Security last raise?

Abnormal Security's most recent round was a Series A of $24M in Nov 2019.

What was Abnormal Security's biggest round?

Its most recent round, $24M in Nov 2019, is also its largest on record.

Who backed Abnormal Security first?

Abnormal Security's first round on record, in Nov 2019, was backed by Greylock.

What stage is Abnormal Security at?

Abnormal Security's latest named round is a Series A, in Nov 2019.

Where is Abnormal Security based?

Abnormal Security is based in the United States.

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In the same sector, and raised in the last eighteen months.

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