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Who invested in Sandstone

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

2
rounds observed
7
investors named
$70M
reported across those rounds
Jun 2026
most recent

The rounds

Series A · Jun 2026 · $30M

Lightspeed Venture Partners lead, SV Angel, Operator Partners, Mantis VC, Daybreak Ventures, Kearny Jackson, Litquidity Ventures

Reported by TechCrunch · SEC filing: $15M sold under the offering

Undisclosed round · May 2026 · $40M

No investor was named in the report.

Reported by AlleyWatch · SEC filing: $15M sold under the offering

Everyone who backed them

InvestorTypeRounds
Investment firm1
Investment firm1
Family office1
VC firm1

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