United States · 
Who invested in Sperra?
Sperra's investors include National Science Foundation, US Department of Energy and Los Angeles Cleantech Incubator.
United States · Venture startup
Who invested in Sperra
Funding summaryUpdated 26 Oct 2026
Undisclosedraised across 1 round since 2025, from 1 source
- Latest round
- VentureDec 2025
- Investors
- 3
The rounds
- Dec 2025VentureAmount undisclosed
Source recorded
Founders and team
From Sperra's own website: 5 on the team.
- Alexander Mendez ChavezJunior R&D Engineer
- Charlotte MarstonTechnical Proposal Manager
- Evan Marquardtsenior Product manager
- Jose RamirezR&D Engineer
- Mason BellSenior product Manager
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Sperra
How much has Sperra raised?
Sperra has raised 1 round since 2025, none with a disclosed amount.
When did Sperra last raise?
Sperra's most recent round was a Venture in Dec 2025.
Who backed Sperra first?
Sperra's first round on record, in Dec 2025, was backed by National Science Foundation, US Department of Energy and Los Angeles Cleantech Incubator.
What stage is Sperra at?
Sperra's latest named round is a Venture, in Dec 2025.
Where is Sperra based?
Sperra is based in the United States.
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