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
Alerion Ventureslisted by Alerion VenturesCharleston
How we know: Alerion Ventures's portfolio page · Not right? Tell us
Frontera Technology Ventureslisted by Frontera Technology VenturesTexas
How we know: Frontera Technology Ventures's portfolio page · Not right? Tell us
Reported raises · per SEC filings
Form D private placements$32.3M disclosed across 3 rounds · 2018–2023
▶$9MraisedOct 2023 · 11 investors · OtherRule 506(b)
▶$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
▶$18.3MraisedJun 2021 · 8 investors · OtherRule 506(b)
▶$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
▶$5MraisedJun 2018 · 11 investors · OtherRule 506(b)
▶$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
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.


