If a plurality of "insiders" have sold 50% of their stock then you can be sure the company is on shaky ground. What they've just done is cashed-in to cover any

If a plurality of "insiders" have sold 50% of their stock then you can be sure the company is on shaky ground. What they've just done is cashed-in to cover any downside losses and perhaps make some money. They're still invested to make more money if there's an upside swing. What all this tells you is Tesla is not a 'Buy' stock.