Musk Appeals to Supreme Court in SEC ‘Twitter Sitter’ Dispute

Elon Musk asked the US Supreme Court to consider invalidating an agreement with the Securities and Exchange Commission to have his posts about Tesla Inc. on his X social media network screened in advance.

In an appeal filed Thursday, Musk said the accord violates his free speech rights under the Constitution’s First Amendment.

The provision “is a quintessential prior restraint that the law forbids,” argued Musk, the chief executive of Tesla and owner of X Corp., formerly known as Twitter.

A federal appeals court ruled against Musk in May, rejecting his contentions in a seven-page order issued just days ...