Who invested in Sureline Systems?
Sureline Systems's investors include Unigen.

United States · Series B startup
2 rounds we have observed, with the one investor 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.
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Funding summaryUpdated 15 Nov 2026
$6.3Mraised across 2 rounds since 2012, from 2 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
No investor was named in the report.
Reported by sec.govSEC filing: $1.8M sold, first sale May 2010
Sureline Systems filed one raise, $1.8M in all. Filings say how much was sold and to how many investors; they never name the investors.
From the SEC filings it signed: 1 on the team.
On the board, as filediMark FitzpatrickRajvir SinghRandy WilhelmSubramanian Sundaresh
Sureline Systems's investors include Unigen.
Sureline Systems has raised $6.3M across 2 rounds since 2012.
Sureline Systems's most recent round was a Series B of $4.5M in May 2015.
Its most recent round, $4.5M in May 2015, is also its largest on record.
Sureline Systems's first round on record, in May 2015, was backed by Unigen.
Sureline Systems's latest named round is a Series B, in May 2015.
Sureline Systems is based in the United States.
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