Seen that, he's liquidated a far amount recently. It's still small compared to the worth of the company i suppose hence why price didnt plummet
And it’s not only Musk, there got to be long holders for whom trimming positions is just a prudent thing to do no matter the long-term fundamental view.
Maybe he wants to use some of that cash on his next wacky and zany ideas, such as "Not a Boring Company" and "Not a Space Rocket".