 ALLENTOWN, Pa.--BUSINESS WIRE--- FOUR--Shift4 Payments, Inc. Shift4 NYSE: FOUR, a leading independent provider of integrated payment processing and technology solutions, today announced that it has upsized and priced an offering of 550.0 million aggregate principal amount of 0.50 convertible senior notes due 2027 the Notes. The offering size was increased from the previously announced offering size of 500.0 million aggregate principal amount of Notes. The issuance and sale of the Notes a 