{"url_path":"/sec/gatx/8-k/2026-05-21/item-9-01","section_key":"item-9-01","section_title":"Item 9.01 Financial Statements and Exhibits","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-05-21","source_url":"https://www.sec.gov/Archives/edgar/data/40211/0001193125-26-234463-index.html","accession_number":"0001193125-26-234463","cik":"0000040211","ticker":"GATX","issuer_name":"GATX CORP","edgar_url":"https://www.sec.gov/Archives/edgar/data/40211/0001193125-26-234463-index.html","primary_entity_key":"0000040211","primary_entity_name":"GATX CORP"},"word_count":107,"has_tables":true,"body_markdown":"Item 9.01\n\nFinancial Statements and Exhibits\n\n(d) Exhibits.\n\n \n\n10.1\n  \n[Amendment No. 1 to Credit Agreement, dated as of May 21, 2026, by and among GATX Corporation, as borrower, the banks, financial institutions and other institutional lenders parties thereto, and Citibank, N.A., as administrative agent.](d108029dex101.htm)\n\n104\n  \nCover Page Interactive Data File (embedded within the Inline XBRL document)\n\nSIGNATURE\n\nPursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.\n\n \n\nGATX CORPORATION\n\n(Registrant)\n\n/s/ Thomas A. Ellman\n\nThomas A. Ellman\n\nExecutive Vice President, Chief Financial Officer\n\nDate: May 21, 2026"}