X0306 4 2021-11-01 false 0001488813 Customers Bancorp, Inc. CUBI 0001527821 Way T Lawrence 701 READING AVENUE WEST READING PA 19611 true false false false Common Stock 2021-11-01 4 S false 63795.00 55.1633 D 46205.00 I Spouse Common Stock 2021-11-02 4 S false 41705.00 55.4402 D 4500.00 I Spouse Common Stock 2021-11-03 4 J false 0.00 0.00 A 113532.00 D Common Stock 2021-11-03 4 S false 4500.00 55.57 D 0.00 I Spouse This transaction was executed in multiple trades at prices ranging from $53.8057 to $55.8052. 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 transaction was affected. The shares held indirectly by spouse were mistakenly aggregated with direct holdings since 06/25/2013. This transaction was executed in multiple trades at prices ranging from $54.6159 to $56.2357. 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 transaction was affected. The shares held directly were mistakenly aggregated with indirect shares held by spouse since 06/25/2013. /s/ T. Lawrence Way by Andrew Sachs Under Power of Attorney 2021-11-03