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Solestial
Techstars '19Tempe, US · Founded 2019 · Delaware corporation · 47 employees on LinkedIn · 10 known investors
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Solestial develops and manufactures radiation-hardened silicon solar power modules for satellites and space applications. The company serves commercial and government customers requiring power solutions for large satellite constellations and space infrastructure.
Founders & leadership
Solestial was founded in 2019 by Stan Herasimenka, Mikhail Reginevich, and Andrew Atherton.
Board
Investors · 10
How we know: Boeing HorizonX Ventures's portfolio page · Not right? Tell us
How we know: Crosscut Ventures's portfolio page · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Global Brain's portfolio page · open dataset · 5k.vc investor directory · Not right? Tell us
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How we know: Industrious Ventures's portfolio page · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Silent Capital's portfolio page · Not right? Tell us
How we know: the Techstars portfolio · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Zeon Ventures's portfolio page · Not right? Tell us
How we know: a partner's Signal profile · Not right? Tell us
How we know: the VCSheet dataset · Not right? Tell us
Funding
SEC filings, press & company announcements$26.2M disclosed across 2 of 3 rounds · 2022–2025
- Undisclosed amountSeries AOct 2025Source ↗
▶$15.1MraisedSep 2024 · 12 investors · OtherRule 506(b)
- Beckett JacksonDirector
- Mathieu CostesDirector
- Mikhail ReginevichExecutive Officer
- Stanislau HerasimenkaExecutive Officer, Director, Promoter
- Andrew AthertonExecutive Officer, Director, Promoter
- Offering amount
- $21.9M
- Amount sold
- $15.1M
- First sale
- Sep 2024
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
▶$11.2MraisedOct 2022 · 32 investors · OtherRule 506(b)
- Stanislau HerasimenkaExecutive Officer, Director, Promoter
- Andrew AthertonExecutive Officer, Director
- Mikhail ReginevichExecutive Officer
- Mathieu CostesDirector
- Offering amount
- $11.2M
- Amount sold
- $11.2M
- First sale
- Sep 2022
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Related companies · 3
Companies working in the same space as Solestial.
Non-dilutive funding · 9 SBIR/STTR awards
Federal grants — no equity taken| Agency | Phase | Year | Amount |
|---|---|---|---|
| NASA | Phase II | 2023 | $850K |
| NASA | Phase I | 2023 | $150K |
| U.S. Air ForceAir Force | Phase I | 2023 | $70.9K |
| NASA | Phase II | 2022 | $749.9K |
| National Science Foundation | Phase II | 2021 | $999.8K |
| NASA | Phase I | 2021 | $125K |
| National Science Foundation | Phase I | 2019 | $224.8K |
| NASA | Phase I | 2019 | $124.7K |
| U.S. Air ForceAir Force | Phase I | 2018 | $150K |
Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.
Frequently asked questions
- What does Solestial do?
- Solestial develops and manufactures radiation-hardened silicon solar power modules for satellites and space applications. The company serves commercial and government customers requiring power solutions for large satellite constellations and space infrastructure.
- Who founded Solestial?
- Solestial was founded by Stan Herasimenka, Mikhail Reginevich, Andrew Atherton in 2019.
- Who are Solestial's investors?
- Solestial's investors include Boeing HorizonX Ventures, Crosscut Ventures, Global Brain, Industrious Ventures, Nextwave [X] Partners, Silent Capital, Techstars, Zeon Ventures and 2 more.
- How much funding has Solestial raised?
- Solestial has disclosed $26.2M raised across 2 of its 3 known rounds.
- Where is Solestial headquartered?
- Solestial is headquartered in Tempe, US.