Kroger announced Monday CEO Rodney McMullen has resigned following "a board investigation ... In December, McMullen's quest to take over Albertsons was blocked by two court orders and Albertsons pulled out of the deal. Who is Ron Sargent, McMullen's ...

Rodney McMullen and Vivek Sankaran tried mightily to bring their companies together. Now they’re leaving behind retailers on sharply different paths.

The leadership changes come just a few months after a federal judge temporarily halted a proposed merger between Kroger and Albertsons.

The conduct is not related to financial performance, operations, or reporting, and it did not involve any Kroger associates, the company said.