X0306 4 2021-02-08 false 0001488813 Customers Bancorp, Inc. CUBI 0001816956 Bowman Andrew Hertz 701 READING AVENUE WEST READING PA 19611 false true false false EVP and Chief Credit Officer Common Stock 2021-02-08 4 M false 833.00 19.28 A 10116.00 D Common Stock 2021-02-08 4 S false 833.00 25.0051 D 9283.00 D Stock Options (Right to buy) 19.28 2021-02-08 4 M false 833.00 0.00 D 2020-03-14 2029-03-14 Common Stock 833.00 1665.00 D Includes 8,409 Restricted Stock Units. The holdings reported in the Form 4 reflect an adjustment described in an amended Form 3 filed on 04/04/2022. This transaction was executed in multiple trades at prices ranging from $25.0009 to $25.0270. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transition was affected The holdings reported in the Form 4 reflect an adjustment described in an amended Form 3 filed on 04/04/2022 /s/ Andrew H. Bowman by Andrew Sachs Under Power of Attorney 2022-04-04