Boeing-Backed Aerion Is in Talks for Altitude SPAC Listing

Aerion Corp., which designs supersonic planes, is in talks to go public through a merger with Altitude Acquisition Corp., according to people with knowledge of the matter.

The companies are discussing a deal that would value the combined firm at up to $3 billion, said the people, who asked to not be identified because the matter isn’t public. A deal could be announced as soon as this month, the people said.