SAN FRANCISCO & RYE, N.Y.--(BUSINESS WIRE)--Uber Technologies, Inc. (NYSE: UBER) and Greenbriar Equity Group, L.P. (Greenbriar), a New York-based investment firm and one of the leading investors in the logistics space, announced today that an investor group led by Greenbriar has committed to invest $500 million in a Series A preferred stock financing for Uber Freight, the logistics arm of Uber, valuing the unit at $3.3 billion on a post-money basis. Uber will maintain majority ownership in Uber.