Founding Date | Founding Date 1985 | Founding Date 2015 |
Type | Type Private | Type Private |
Tags | ||
Locations | Locations Natick, US HQ | Locations Hawthorne, US HQ |
Employees | Employees 1543% increase | Employees 407% decrease |
Funding | ||
Latest funding round | Latest funding round $ 25k (almost 5 years ago) | Latest funding round $ 26m (almost 5 years ago) |
Total funding raised | Total funding raised $ 3.6m | Total funding raised $ 30.7m |

Phase Four is a company that develops electric propulsion systems for satellites.
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