X0508 4 2025-07-13 false 0000040211 GATX CORP GATX 0001572385 WETHERBEE ROBERT S C/O 233 S. WACKER DR. CHICAGO IL 60606 true false false false false Common Stock 2025-07-13 4 A false 669.00 0.00 A 669.00 D Represents RSUs granted to the reporting person under the GATX Corporation Amended and Restated 2012 Incentive Award Plan on the transaction date. Each RSU represents the right to receive one share of Issuer's common stock upon settlement. The RSUs will vest on the Company's next annual meeting of shareholders, subject to continued service. Lisa M. Ibarra, by Power of Attorney on behalf of Robert S. Wetherbee 2025-07-15