Fundraising Fox

Arinna

Rochester, US · Founded 2014 · Minnesota LLC · 2 known investors

arinna.xyz ↗

Arinna develops solar power technology for sustainable applications on Earth and in space. Founded by Stanford PhDs with a focus on using sunlight as an energy source.

CleantechEnergySpace Tech

Founders & leadership

Arinna was founded in 2014 by Alexander Shearer.

ASAlexander Shearer
Alexander ShearerinFounder
CK
Cliff KaehlerNamed on SEC filing

Investors · 2

Anorak VenturesLos Angeles · $25K – $400K
FJ LabsNew York · $100K – $3M

Funding

SEC filings, press & company announcements

$4.4M disclosed across 3 rounds · 2015–2026

▶$120KraisedJul 2016 · 2 investors · Other Energy
Rule 506(b)
Officers, directors & promoters on the filing
  • George PeichelDirector
  • Cliff KaehlerExecutive Officer, Director, Promoter
  • Vince RobinsonDirector
  • Mark MargiottaExecutive Officer, Director
  • Ralph KaehlerDirector
Offering amount
$1M
Amount sold
$120K
Minimum investment
$50K
First sale
May 2016
Incorporated
Limited Liability Company, Minnesota, 2014
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$280KraisedJun 2015 · 3 investors · Other Energy
Rule 506(b)
Officers, directors & promoters on the filing
  • Cliff KaehlerExecutive Officer, Director
Offering amount
$1.2M
Amount sold
$280K
Minimum investment
$50K
First sale
May 2015
Incorporated
Limited Liability Company, Minnesota, 2014
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Competitors · 1

by search overlap
SoundCloud3 shared keywordsAudio distribution and music-sharing platform for artists and creators.

Companies competing with Arinna for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Arinna raises $4M Seed to develop Next-Gen Solar Power for Space - FoundersTodayfounderstoday.news · Mar 2026Arinna Secures $4M Seed Funding to Revolutionize Space Power with Ultrathin Solar Panels | BEAMSTARTbeamstart.com · Mar 2026Aventureaventure.vc · Mar 2026Arinna raises seed funding to revolutionize space solar poweucapital.com · Mar 2026Techbuzztechbuzz.ai · Mar 2026Arinna raises $4M seed round to solve the space power problem | TechCrunchtechcrunch.com · Mar 2026

Frequently asked questions

What does Arinna do?
Arinna develops solar power technology for sustainable applications on Earth and in space. Founded by Stanford PhDs with a focus on using sunlight as an energy source.
Who founded Arinna?
Arinna was founded by Alexander Shearer in 2014.
Who are Arinna's investors?
Arinna's investors include Anorak Ventures, FJ Labs.
How much funding has Arinna raised?
Arinna has disclosed $4.4M raised across 3 rounds.
Where is Arinna headquartered?
Arinna is headquartered in Rochester, US.