As Musk Tweets, Advisers Labor to Keep Twitter Deal on Track (2)

In public, Elon Musk’s erratic tweets have sent Twitter Inc.’s shares flailing, as traders bet that the billionaire is preparing to walk away from or re-negotiate his $44 billion takeover of the social-media company. Behind the scenes, it’s more like business as usual, as advisers on both sides plug away at the day-to-day work of closing a megadeal.

One potential sign that the deal is still on track: the 139-page filing that hit early Tuesday, detailing how the offer came together and Twitter’s rationale for accepting it. That document was the result of weeks of coordinated work by ...