United States · Series C startup

Who invested in Automox

4 rounds we have observed, with the 13 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

CloudCybersecurity

Funding summaryUpdated 26 Oct 2026

$123Mraised across 4 rounds since 2016, from 4 sources

$1.3MRound$2.0MRound$9.3MSeries A$110MSeries C
Latest round
Series C, $110MApr 2021
Step-upi
11.8×
Investors
13
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

20172018201920202021
$1.3MRound$2.0MRound$9.3MSeries A$110MSeries C
First round
Round, $1.3M
Jul 2016
Biggest round
$110M
Series C · Apr 2021
Usual gap between rounds
20 months
the median of 3

The rounds

  1. Apr 2021
    Series C$110M3 new

    Source recorded

  2. Nov 2018
    Series A$9.3M2 new1 returning

    Reported by FinSMEsSEC filing: $9.3M sold, first sale Oct 2018

  3. Mar 2018
    Round$2.0M6 new
    • Tom Noonan
    • Art Coviello
    • Blue Note Ventures/ Ron Gula
    • Mike Viscuso
    • Roger Thornton
    • Tim Belcher

    Reported by FinSMEsSEC filing: $3.2M sold, first sale Feb 2018

  4. Jul 2016
    Round$1.3M2 new

    Reported by FinSMEsSEC filing: $200K sold, first sale Oct 2016

Founders and team

From the SEC filings it signed: 3 on the team.

  • John PrasslExecutive Officer, Directori
  • Kirk E. AdamsExecutive Officeri
  • Sanjiv E. BhargavaPromoteri

On the board, as filediByron E. KnightChris MarksThomas E. Noonan

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Round2016Round2018Series A2018Series C2021Tom NoonanInsight PartnersCRVBlackstone GroupFirebrand VenturesBlue Note VenturesArt CovielloBlue Note Ventures/ Ron GulaBlueNote Ventures/ ZelkovaMike Viscuso

Everyone who backed them

Tom NoonanAngel2rounds
Insight PartnersVC firm1round
CRVVC firm1round
Blackstone GroupPrivate equity1round
Firebrand VenturesVC firm1round
Blue Note VenturesVC firm1round
Art Coviellono record of our own yet1round
Blue Note Ventures/ Ron Gulano record of our own yet1round
BlueNote Ventures/ Zelkovano record of our own yet1round
Mike Viscusono record of our own yet1round
Roger Thorntonno record of our own yet1round
TechOperators/ CRVno record of our own yet1round
Tim Belcherno record of our own yet1round

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

Quick answers about Automox

Who invested in Automox?

Automox's investors include Tom Noonan, Insight Partners, CRV, Blackstone Group and Firebrand Ventures, and 8 more on record.

How much has Automox raised?

Automox has raised $123M across 4 rounds since 2016.

When did Automox last raise?

Automox's most recent round was a Series C of $110M in Apr 2021.

What was Automox's biggest round?

Its most recent round, $110M in Apr 2021, is also its largest on record.

Who backed Automox first?

Automox's first round on record, in Jul 2016, was backed by Firebrand Ventures and BlueNote Ventures/ Zelkova.

What stage is Automox at?

Automox's latest named round is a Series C, in Apr 2021.

Where is Automox based?

Automox is based in the United States.

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