Brian Lewis, co-founder of Amer, will focus on his other Atlanta-area projects, he said.
The closures are part of the grocery chain's 'strategy for accelerated growth.'
This is the third Bantam + Biddy to undergo a branding redo under the same ownership.
March 31 will be the restaurant's last day in business.
Nearby establishment Across The Street closed its doors last week.
Monday was the restaurant's last day in business.