He is one of several business leaders supporting Barry Romeril, a former chief financial officer for Xerox, who signed onto an agreement with the SEC in 2003

As part of the agreement, he is not allowed to deny fraud charges against him

Romeril had claimed it was a violation of his First Amendment rights

But a group of business leaders including Musk are now arguing that it goes against the SEC's mission to provide information to shareholders

The move comes after a federal judge upheld Musk's 2018 agreement with the SEC that required a lawyer to censor what he tweets