Phase Four
Building the next generation of plasma propulsion. We're hiring! ⤵️
Hawthorne, United States
36 employees
Debt Financing
Total: $35.82M
Space
General Information
Get notified when Phase Four moves
Funding, new markets, leadership changes, hiring surges — one e-mail, only when something happens.
Track Phase Four
Get real-time alerts for funding, hiring, news, and 40+ signal types.
Start Tracking — FreeDiscover More
United States Market
About Phase Four
Taxonomy: plasma propulsion, electric propulsion, satellite propulsion, small satellite propulsion, RF thruster, space technology, propellant agnosticism, Hall Effect Thruster, Hawthorne, California, satellite constellations, startup, manufacturability, aerospace engineering, data analyst, engineering careers
Funding Rounds & Investors (7)
View All| Funding Stage | Amount | Investors | Lead Investors | Date |
|---|---|---|---|---|
| Debt Financing | •••••• | 1 | •••• •••• | 13 Mar 2024 |
| Series B | •••••• | 1 |
|
11 Jun 2021 |
| Venture Round | •••••• | - | 15 Jan 2020 | |
| Series A | •••••• | - | 31 May 2019 | |
| Seed Round | •••••• | 7 |
|
23 May 2018 |
Phase Four Alternatives & Competitors
GO-2 FEEP-Based Electric Propulsion: Cost-effective satellite propulsion system.
Our mission is to revolutionize the space industry by providing a breakthrough in satellite propulsi...
Space mobility building out the infrastructure of the Solar System 🛰🚀🌎🌖🔴🪐
ENPULSION
Magdrive
FAQ About Phase Four
Don't just browse. Track.
Signal Tracker monitors Phase Four and millions of companies for funding rounds, hiring surges, product changes, and 40+ signal types — so you never miss an opportunity.