PAR Technology Corporation1,810,222 Shares of
Common Stock

This prospectus supplement covers the offer and resale by the selling stockholder identified in this prospectus supplement of up to an aggregate of 1,810,222 shares of our common stock. We issued the common stock covered by this prospectus supplement to the selling stockholder as consideration for our recent acquisition of substantially all of Cardlytics, Inc.'s point-of-sale data analytics, loyalty marketing, and retail media network business assets offered through the Bridg platform (the "Acquisition").

We are not offering or selling any shares of common stock under this prospectus supplement, and we will not receive any proceeds from the sale of common stock by the selling stockholder.

The selling stockholder may offer and sell the shares at fixed prices, at prevailing market prices at the time of sale, at prices related to the prevailing market price, or at varying prices determined at the time of sale or at negotiated prices. The selling stockholders may sell the shares to or through underwriters, broker-dealers or agents, who may receive compensation in the form of discounts, concessions or commissions from the selling stockholders, the purchasers of the shares, or both.

We are paying the cost of registering the shares of common stock covered by this prospectus supplement as well as various related expenses. We provide more information about how the selling stockholder may sell or otherwise dispose of its shares of common stock in the section titled "Plan of Distribution" on page S-10. The selling stockholder is responsible for all selling commissions, transfer taxes and other costs related to the offer and sale of its shares.

Our common stock is listed on the New York Stock Exchange under the symbol "PAR." The last reported sales price of our common stock on March 25, 2026 was $13.39 per share.