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, Advanced Materials, Defense Tech, Energy Management, Smart Grid
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. Comps
Public and private peers based on sector, stage, and business model.
| Company | Status | Est. Valuation | Rev Multiple |
|---|---|---|---|
| OpenAI | Private | $86.0B | ~40x |
| Cohere | Private | $5.0B | -- |
| Competitor 1 | Public | $XX.XB | XXx |
| Competitor 2 | Public | $XX.XB | XXx |
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
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Frequently Asked Questions
Common questions about Coulomb Technology, Inc.'s valuation, stock price, and market status.