GATX(GATX) - 2020 Q4 - Annual Report

☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (State or Other Jurisdiction of incorporation or Organization) (I.R.S. Employer Identification No.) New York 36-1124040 For the fiscal year ended December 31, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 233 South Wacker Drive Chicago, IL 60606-7147 (Address of principal executive offices ...