The changes come a month after major CVS shareholder Glenview Capital pushed for changes at the company|Miosotis Jade|CC BY-SA 4.0

CVS replaced its top executive Karen Lynch with David Joyner, who has been president of CVS Caremark, the company’s pharmacy-benefit manager, and an executive vice president of the healthcare giant.

The company also told investors they should no longer rely on its previous guidance provided in August. CVS added that it was earlier weighing the option of a potential breakup of its insurance and retail business, but it is not pursuing that anymore.

The changes come a month after major CVS shareholder Glenview Capital pushed for changes at the company. CVS will report its third-quarter earnings in November.