X0508 4 2025-11-10 false 0001488813 Customers Bancorp, Inc. CUBI 0001222371 SIDHU JAY S 701 READING AVENUE WEST READING PA 19611 true true false false Chairman & CEO false Common Stock 2025-11-10 2025-11-10 4 S false 13595.00 68.6924 D 953001.00 D Common Stock 2025-11-11 2025-11-11 4 S false 24784.00 68.0465 D 928217.00 D Common Stock 2025-11-12 2025-11-12 4 S false 2522.00 68.3906 D 925695.00 D Common Stock 213560.00 I Trust Common Stock 180790.00 I Trust Common Stock 158035.00 I Trust This transaction was executed in multiple trades at prices ranging from $68.50 to $68.835. 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. Includes 78,146 Restricted Stock Units. This transaction was executed in multiple trades at prices ranging from $68.00 to $68.48. 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. This transaction was executed in multiple trades at prices ranging from $68.00 to $68.84 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. Shares held in Jay S. Sidhu, A/K/A Jashpinder S. Sidhu, FBO Sherry K. Sidhu, A/K/A Pushpinder K. Sidhu, and Descendants Irrevocable Trust Shares held in Sherry K. Sidhu, A/K/A Pushpinder K. Sidhu, Family Trust 1 Shares held in Sherry K. Sidhu, A/K/A Pushpinder K. Sidhu, Family Trust 2 /s/ Jay S. Sidhu by Andrew Sachs under Power of Attorney 2025-11-12