OKLAHOMA CITY--(BUSINESS WIRE)--Paycom Software, Inc. (NYSE:PAYC) (the “Company”) announced today that it has commenced a roadshow to market shares of its common stock to be sold by certain selling stockholders in connection with a proposed secondary offering. In the offering, certain stockholders of the Company are proposing to sell an aggregate of 5,585,000 shares of common stock. In addition, the underwriters are expected to be granted an option to purchase up to 837,750 additional shares of