Skip to main content
Caplight Logo









South 8 Technologies

South 8 Technologies

Private
San Diego, CaliforniaEnergy & Sustainabilityhttps://south8.com/

Last Round

Grant

Apr 2, 2026

Total Funding Raised

$51.8M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

South 8 Technologies is a clean energy company that develops liquefied gas electrolytes and lithium-ion batteries, enhancing energy density and performance at low temperatures while reducing flammability for applications in transportation, aerospace, and military sectors.

Sector

Energy & Sustainability

Verticals

Energy Storage, Advanced Materials, Defense Tech, Space Technology

Business Model

B2B

Customer Profile

Hardware Sales, Government Contracts

AI Layer

Non-AI

Keywords

liquefied gas electrolyteLiGasextreme cold batteryarctic batteryspace-ready batterylithium-ion batterydefense batterybattery electrolytecylindrical cellaerospace batterybattery manufacturingmission-critical powercold-weather techenergy storageadvanced materials

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

South 8 Technologies Comparables

Compare South 8 Technologies with similar companies based on industry and business-model similarity.

South 8 Technologies comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
New Dominion Enterprises
80%
EGI Battery Inc.
78%
Safire Technology Group
76%

South 8 Technologies Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
GrantApr 2, 2026
VC RoundDec 9, 2025
GrantSep 23, 2024
GrantApr 30, 2024
StrategicAug 16, 2023
Grant
Jan 11, 2023

Key People

Founding team and executive leadership

Jungwoo Lee

CEO & Co-Founder, Chief Technology Officer & Co-Founder

Founding Team

Cyrus Rustomji

Chief Science Officer

Executive Team

South 8 Technologies Investors

Notable investors and investment history

South 8 Technologies investors
InvestorRounds
Lockheed Martin VenturesGrant, VC Round, Strategic
LG Technology VenturesSeries A, VC Round, Strategic, Grant
Foothill VenturesSeries A, VC Round, Strategic, Grant
Porsche VenturesVC Round, Grant
Shell VenturesSeries A, Strategic
Anzu PartnersVC Round, Strategic, Grant, Series A
California Energy CommissionGrant

Market signals

Structured signals derived from secondary market and firmographic data.

  • Apr 2, 2026

    Expanding San Diego HQ to scale production capacity for LiGas electrolyte and lithium-ion cells.

  • Apr 2, 2026

    Launched its liquefied gas electrolyte (LiGas) platform.

South 8 Technologies Filings

Explore SEC and related filing metadata, where available.

South 8 Technologies filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

Filing documents are not displayed on this public page. Request access to learn about available coverage.

Request access

Frequently Asked Questions

Common questions about South 8 Technologies's valuation, stock price, and market status.

Is South 8 Technologies a public or private company?

South 8 Technologies is a private company.

What is the current stock price of South 8 Technologies?

South 8 Technologies is a private company with no public stock price. No recent secondary market data is available.

How much is South 8 Technologies worth (valuation)?

Valuation information for South 8 Technologies is not publicly available.

Can I buy South 8 Technologies stock?

South 8 Technologies shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was South 8 Technologies's last funding round?

South 8 Technologies's most recent funding round was Early Funding on December 9, 2025.

Who are the main investors in South 8 Technologies?

Key investors in South 8 Technologies include Lockheed Martin Ventures, Porsche Ventures, Anzu Partners, California Energy Commission.

Will South 8 Technologies IPO soon?

No public IPO plans have been announced for South 8 Technologies.

How can I track South 8 Technologies secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor South 8 Technologies's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSan Diego, California
Employee Range40
Year Founded2015
Last FundingApr 2, 2026

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?