X0609 4 2026-06-15 false 0001488813 Customers Bancorp, Inc. CUBI 0001528088 Zuckerman Steven J false 701 READING AVENUE WEST READING PA 19611 true false false false false Common Stock 2026-06-15 2026-06-15 4 A false 958.00 78.21 A 73648.00 D Common Stock 6815.00 I Trust Common Stock 218254.00 I Trust This stock was issued to the reporting person in lieu of cash for director compensation for Q2 2026. Steven J. Zuckerman Revocable Trust. The reporting person has been appointed as investment advisor for the Victoria H. Zuckerman 2006 Multigenerational Trust u/a/d 8/21/06. The reporting person and members of his immediate family are among the beneficiaries of the trust. The reporting person disclaims beneficial ownership of the CUBI common stock held by the trust except to the extent of his pecuniary interest therein. /s/ Steven J. Zuckerman by Andrew Sachs Under Power of Attorney 2026-06-16