According to a December 4 securities filing, Brandon Rhoten will no longer serve as chief marketing officer of Potbelly Corporation, effective December 18. No further details were given.

Rhoten joined the sandwich chain in June 2018. He previously served as global chief marketing officer at Papa John’s International. Before Papa John’s, Rhoten was VP of advertising, media and digital/social at Wendy’s International. Rhoten started his career in marketing at the advertising agency Gyro.

In November, Matthew Revord, chief legal officer, resigned after nearly 14 years with the company. Like Rhoten, his departure goes into effect December 18.

Potbelly also changed CEOs in the summer as former Wendy’s executive Robert Wright took the helm from Alan Johnson, who had directed Potbelly since December 2017.

It then hired Adam Noyes as chief operations officer in late August. Noyes held a variety of senior leadership roles with Checkers and Rally’s Restaurants.

Potbelly, which has roughly 450 restaurants, saw company-owned same-store sales dropped 21 percent in Q3 and 19.4 percent in October, an improvement from a 41.5 percent slide in Q2. Additionally, the brand reached unit-level profitability and traffic grew by 21 percentage points.

In Q3, revenue slid to $72.6 million compared to $104.2 million last year.