X, formerly Twitter, is now valued at $19 billion, based on the company’s employee equity compensation plan. The privately-held company, owned by Elon Musk, is giving employees RSUs at a share price $45 according to a source familiar with the matter. The company previously offered employees stock in March at a $20 billion valuation.

 

Staff received an email on Monday regarding the equity grant agreements, according to a screenshot viewed by Fortune.