<SEC-DOCUMENT>0001171843-25-007975-index.html : 20251217 <SEC-HEADER>0001171843-25-007975.hdr.sgml : 20251217 <ACCEPTANCE-DATETIME>20251217090108 ACCESSION NUMBER: 0001171843-25-007975 CONFORMED SUBMISSION TYPE: 6-K PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20251217 FILED AS OF DATE: 20251217 DATE AS OF CHANGE: 20251217 FILER: COMPANY DATA: COMPANY CONFORMED NAME: TRANSALTA CORP CENTRAL INDEX KEY: 0001144800 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC SERVICES [4911] ORGANIZATION NAME: 01 Energy & Transportation EIN: 000000000 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 6-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-15214 FILM NUMBER: 251577375 BUSINESS ADDRESS: STREET 1: TRANSALTA PLACE STREET 2: 1400, 1100 - 1ST STREET S.E. CITY: CALGARY STATE: A0 ZIP: T2G 1B1 BUSINESS PHONE: 403-267-2014 MAIL ADDRESS: STREET 1: TRANSALTA PLACE STREET 2: 1400, 1100 - 1ST STREET S.E. CITY: CALGARY STATE: A0 ZIP: T2G 1B1 </SEC-HEADER> <DOCUMENT> <TYPE>6-K <SEQUENCE>1 <FILENAME>f6k_121725.htm <DESCRIPTION>FORM 6-K <TEXT> Document 1 - file: f6k_121725.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>exh_991.htm <DESCRIPTION>PRESS RELEASE <TEXT> Document 2 - file: exh_991.htm
</DOCUMENT> </SEC-DOCUMENT>