Assuming who I think it is, your mom isn't the only one. A lot of their subsidiaries are being sold off. I'm assuming less attractive ones are being shut down if they can't find buyers. I'm consulting for a firm that has bought one of their subsidiaries as a new business unit.

Much of it has to be done before the end of the year, per the US government. Haven't dug into why that is the case just yet, but I'm aware of much going on with said health insurer.