United States · Who invested in Bug Labs?
Bug Labs's investors include Union Square Ventures, Spark Capital and Court Square Ventures.
200620072008200920102011
$500KSeries A?Series C$3.0MVenture$4.0MVenture
United States · Venture startup
Who invested in Bug Labs
Funding summaryUpdated 26 Oct 2026
$7.5Mraised across 4 rounds since 2006, from 4 sources
$500KSeries A$3.0MVenture$4.0MVenture
- Latest round
- Venture, $4.0MJan 2011
- Step-upi
- 1.3×
- Investors
- 3
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $500K Apr 2006
- Biggest round
- $4.0M Venture · Jan 2011
- Usual gap between rounds
- 22 months the median of 3
The rounds
- Jan 2011Venture$4.0M
No investor was named in the report.
Reported by sec.govSEC filing: $4.0M sold, first sale May 2010
- Jun 2010Venture$3.0M
No investor was named in the report.
Reported by businessinsider.comSEC filing: $3.0M sold, first sale May 2010
- Aug 2008Series CAmount undisclosed2 new1 returning
Reported by bugblogger.com
- Apr 2006
Founders and team
From the SEC filings it signed: 1 on the team.
- Peter SemmelhackExecutive Officer, Directori
On the board, as filediBijan SabetBrad BurnhamW. Randy Castleman
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.
Series A2006Series C2008Venture2010Venture2011
Union Square Ventures
Spark Capital
Court Square Ventures
Union Square VenturesSpark CapitalCourt Square VenturesEveryone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Bug Labs
How much has Bug Labs raised?
Bug Labs has raised $7.5M across 4 rounds since 2006. One round did not disclose an amount, so the total is a floor.
When did Bug Labs last raise?
Bug Labs's most recent round was a Venture of $4.0M in Jan 2011.
What was Bug Labs's biggest round?
Its most recent round, $4.0M in Jan 2011, is also its largest on record.
Who backed Bug Labs first?
Bug Labs's first round on record, in Apr 2006, was backed by Union Square Ventures.
What stage is Bug Labs at?
Bug Labs's latest named round is a Venture, in Jan 2011.
Where is Bug Labs based?
Bug Labs is based in the United States.
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