Coulomb Technology, Inc.
PrivateLast Round
Strategic
Jul 24, 2012
Total Funding Raised
$98.67M
Company Overview
Coulomb Technology, Inc. is a cleantech company developing rechargeable zinc-ion and sodium-ion batteries for energy storage, backup power, and e-mobility applications.
Sector
Energy & Sustainability
Verticals
Energy Storage, Renewable Energy, Energy Management, Defense Tech
Business Model
B2B
Customer Profile
Hardware Sales, Government Contracts, Hardware + Subscription, Services & Consulting
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Coulomb Technology, Inc. Comparables
Compare Coulomb Technology, Inc. with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Adena Power | 86% | |
| UNIGRID Battery | 80% | |
| Peak Energy | 77% |
Coulomb Technology, Inc. Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Strategic | Jul 24, 2012 | ||||
| Series D | May 7, 2012 | ||||
| Series C | Sep 8, 2010 | ||||
| Grant | Jul 8, 2010 | ||||
| Grant | Jun 2, 2010 | ||||
Series B | Feb 1, 2010 |
Coulomb Technology, Inc. Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Siemens Venture Capital | Series B, Series C, Series D |
| Rho Ventures | Series C, Series D, Series B |
| The Hartford STAG Ventures | Series B, Series C, Series D |
| California Energy Commission | Grant |
| Voyager Capital | Series C, Series D, Series B |
| Harbor Pacific Capital | Series C, Series D |
| Kleiner Perkins | Series D |
Market signals
Structured signals derived from secondary market and firmographic data.
- Nov 7, 2025
Monthly visitors grew 104% MoM, reaching 1.5K.
- Dec 4, 2024
Grew 30% QoQ, from 10 to 13 employees.
Coulomb Technology, Inc. Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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Request accessFrequently Asked Questions
Common questions about Coulomb Technology, Inc.'s valuation, stock price, and market status.
Is Coulomb Technology, Inc. a public or private company?
Coulomb Technology, Inc. is a private company.
What is the current stock price of Coulomb Technology, Inc.?
Coulomb Technology, Inc. is a private company with no public stock price. No recent secondary market data is available.
How much is Coulomb Technology, Inc. worth (valuation)?
Valuation information for Coulomb Technology, Inc. is not publicly available.
Can I buy Coulomb Technology, Inc. stock?
Coulomb Technology, Inc. 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 Coulomb Technology, Inc.'s last funding round?
Coulomb Technology, Inc.'s most recent funding round was Strategic on July 24, 2012.
Who are the main investors in Coulomb Technology, Inc.?
Key investors in Coulomb Technology, Inc. include Rho Ventures, California Energy Commission, Voyager Capital, Kleiner Perkins, estag | Capital.
Will Coulomb Technology, Inc. IPO soon?
No public IPO plans have been announced for Coulomb Technology, Inc..
How can I track Coulomb Technology, Inc. secondary market activity?
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