When newly public companies have been valued as richly as SpaceX, OpenAI and Anthropic seem likely to be, the outlook for ordinary investors has been poor.

The rocket, built by Jeff Bezos’ space company, was to carry 48 satellites into space. Blue Origin reported on social media that “all personnel have been accounted for.”

The ways it set up its board and Mr. Musk’s pay appear to benefit him at the expense of other shareholders, corporate governance experts said.