Sezzle Inc. Common Stock. Replay the stock market charts of SEZL day by day, back to 2003. Open long and short positions without spending any money. Sezzle Inc. operates as a technology-enabled payments company primarily in the United States and Canada. The company provides payment solution at online stores and various brick-and-mortar retail locations that connects consumers with merchants. Its platform enables customers to make online purchases and split the payment for the purchase in four equal interest free payments over six weeks. Sezzle Inc. was incorporated in 2016 and is headquartered in Minneapolis, Minnesota.