Booz Allen’s stock slumped over 11% on Monday after the contracts were cancelled.

Booze Allen employee Charles Edward Littlejohn also had leaked tax records of Amazon's Jeff Bezos and Tesla chief Elon Musk to a news outlet.

Treasury Secretary Scott Bessent announced Monday that the department canceled all contracts with consulting firm Booz Allen Hamilton for data breach.

Booz Allen’s stock slumped over 11% on Monday after the contracts were cancelled.

Private tax information about Donald Trump, Elon Musk, Jeff Bezos, Warren Buffett and Michael Bloomberg, among others, was disclosed by a former Booz Allen contractor.