Musk Says Twitter Is Hounding Him Over Every Chat About Buyout

Elon Musk says Twitter Inc. is casting too wide a net for the names of those he talked to about his proposed $44 billion buyout of the social media company.

The billionaire on Wednesday complained about it to the judge overseeing their legal dispute. After a fusillade of document demands over the acquisition, which Twitter has sued Musk to complete, Twitter is now going after friends, colleagues and firms far outside the case’s scope for information on the deal’s financing, his legal team argued.

In a letter to Delaware Chancery Court Judge Kathaleen St. J. McCormick, Musk’s attorneys ...