Kaiser Aluminum(KALU) - 2020 Q4 - Annual Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K For the transition period from to Commission File Number: 1-09447 KAISER ALUMINUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 94-3030279 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 27422 Portola Parkway, Suite 200 Foothill Ranch, California 92610-2831 (Address of principal executive offices) (Zip Code) (949) 614-1740 (Registrant's telephone ...