The filing comes about a month after the threat of bankruptcy made the rounds, and despite calls from a large shareholder that a filing would make little sense.

The diet company formerly known as WeightWatchers has filed for bankruptcy after its 62-year-old business model was put under ...

WW International, has formerly known as WeightWatchers, has filed for Chapter 11 bankruptcy protection in a bid to cut its debt after hugely popular obesity drugs upended its business model.