Sepion
Silicon Valley, US · Delaware corporation · 7 known investors
Sepion develops advanced polymer separator technology for batteries and other applications including water separation and materials recovery. The company commercializes research from Berkeley Lab with manufacturing and production capabilities in Silicon Valley.
Founders & leadership
PF

Peter FrischmannCEO & Co-Founder
BH

Brett HelmsCSO & Co-Founder
RC
Randy ChanDirector
Investors · 7
Reported raises · per SEC filings
Form D private placements▶$18.7MraisedNov 2021 · 22 investors · OtherRule 506(b)
▶$18.7MraisedNov 2021 · 22 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Peter FrischmannExecutive Officer, Director
- Brett A. HelmsExecutive Officer, Director
- Randy ChanDirector
- Offering amount
- $18.7M
- Amount sold
- $18.7M
- First sale
- Oct 2021
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
In the news
- Sepion Technologies Raises $10M in Series B Fundingfinsmes.com · 2026
- Sepion Raises $10M Series B to Scale Commercial Production of Next-Generation Battery Separators - Worcester Telegram & Gazettetelegram.com · 2026
- Sepion Raises $10M Series B to Scale Commercial Production of Next-Generation Battery Separatorsnatlawreview.com · 2026
- Making a Better Battery, Episode 2 - Sepion Technologies - CalSEEDcalseed.fund · 2023
- Argonne-related spinoff company charges up the battery world | Argonne National Laboratoryanl.gov · 2021