Updated: September 23, 2013 8:41AM
Potbelly Corp. on Monday expected its initial public offering to be priced between $9 and $11 per share.
The Chicago-based chain of sandwich shops last month filed for an intial public offering of 7.5 million shares. The shares will trade on the Nasdaq under the symbol PBPB.
The company has 286 restaurants in 18 states and the District of Columbia. The company runs 280 of the shops.
Potbelly says revenue increased 15.5 percent to $274.9 million from 2011 to 2012.
The chain was founded in 1977 on Lincoln Avenue.