 ALLENTOWN, Pa.--BUSINESS WIRE--- FOUR--Shift4 NYSE: FOUR, the leader in integrated payments and commerce technology, today announced that management will participate in the following investor conferences: November 16, 2021 - Jared Isaacman, CEO, Brad Herring, CFO, and Taylor Lauber, CSO, will participate in a fireside chat at the 2021 Citi FinTech Virtual Conference beginning at 10:30 AM Eastern. Management will also be available for one-on-one and small group meetings. November 17, 2021 Jared Is 