SAN FRANCISCO — The fate of Yahoo’s $4.8 billion sale of its internet business to Verizon Communications may be uncertain. But in case it goes through, Yahoo has plans for what will remain.

In a regulatory filing, the company said on Monday that when that deal closed, it would rename itself “Altaba.”

Moreover, more than half of the company’s current board members — including Marissa Mayer, its chief executive — would step down.

Why Altaba?

It is essentially a play on the single biggest asset that would remain of Yahoo if and when the deal with Verizon closes: a 15 percent stake in the Chinese e-commerce giant Alibaba. Altaba would also own a 35.5 percent stake in Yahoo Japan. (A Yahoo spokeswoman declined to comment.)