X0609 4 2026-04-04 false 0001488813 Customers Bancorp, Inc. CUBI 0001222371 SIDHU JAY S false 701 READING AVENUE WEST READING PA 19611 true true false false Chairman false Common Stock 2026-04-04 2026-04-04 4 F false 6657.00 70.41 D 779282.00 D Common Stock 3701.00 I Spouse Common Stock 213560.00 I Trust Common Stock 181825.00 I Trust Common Stock 158552.00 I Trust Shares withheld for taxes upon vesting of previously issued restricted stock award. Includes 45,318 Restricted Stock Units. Shares held in Sherry Sidhu Individual Account Jay S. Sidhu, A/K/A Jashpinder S. Sidhu, FBO Sherry K. Sidhu, A/K/A Pushpinder K. Sidhu, and Descendants Irrevocable Trust. Sherry K. Sidhu, A/K/A Pushpinder K. Sidhu, Family Trust No. 1. Sherry K. Sidhu, A/K/A Pushpinder K. Sidhu, Family Trust No. 2. /s/ Jay S. Sidhu by Andrew Sachs under Power of Attorney 2026-04-07