French maritime data analytics platform Kpler wants to buy ship tracking company Spire Maritime, whose satellite data is a vital resource for oil traders and shipping companies, but some Spire customers fear Kpler will cut them off and have raised antitrust concerns to U.S. authorities, sources familiar with the matter say.

Jody Godoy LSEG MarineTraffic Spire Maritime Automatic Identification System Department of Defense Wall Street Maxar Intelligence Polestar Global List Intelligence Veson Nautical Mike Stone New York Hugh Lawson WASHINGTON