/Companies

Graylog

Houston, US · Founded 2014 · 4 known investors

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SIEM and API gateway log management for mid-market and enterprise customers; acquired Resurface in 2023.

Founders & leadership

Graylog was founded in 2014 by Lennart Koopmann.

LK
Lennart KoopmannFounder
LW
Logan WrayExecutive

Board

LN
Lucas NelsonBoard director
AG
Aziz GilaniBoard director

Investors · 4

Reported raises · per SEC filings

Form D private placements

$32.3M disclosed across 3 rounds · 2018–2023

▶$9MraisedOct 2023 · 11 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Andy GrolnickExecutive Officer, Director
  • Lucas NelsonDirector
  • Brian CarneyDirector
  • Aziz GilaniDirector
  • Robert P RinekDirector
  • Maury DomengeauxDirector
  • Thanh DinhExecutive Officer
Offering amount
$9M
Amount sold
$9M
Minimum investment
$20K
First sale
Sep 2023
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$18.3MraisedJun 2021 · 8 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Lennart KoopmannExecutive Officer
  • Andy GrolnickExecutive Officer, Director
  • Brian C. CarneyDirector
  • Lucas NelsonDirector
  • Thanh DinhExecutive Officer
  • Aziz GilaniDirector
  • Fritz MaxwellExecutive Officer
Offering amount
$18.3M
Amount sold
$18.3M
First sale
Jun 2021
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$5MraisedJun 2018 · 11 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Logan WrayExecutive Officer, Director
  • Lucas NelsonDirector
  • Aziz GilaniDirector
  • Lennart KoopmannExecutive Officer
Offering amount
$6M
Amount sold
$5M
First sale
May 2018
Incorporated
Corporation, Delaware, 2014
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Frequently asked questions

What does Graylog do?
SIEM and API gateway log management for mid-market and enterprise customers; acquired Resurface in 2023.
Who founded Graylog?
Graylog was founded by Lennart Koopmann in 2014.
Who are Graylog's investors?
Graylog's investors include Alerion Ventures, Frontera Technology Ventures, Lytical Ventures, Mercury Fund.
How much funding has Graylog raised?
Graylog has disclosed $32.3M raised across 3 rounds.
Where is Graylog headquartered?
Graylog is headquartered in Houston, US.