Kaiser Aluminum(KALU) - 2021 Q4 - Annual Report
Kaiser Aluminum(US:KALU)2022-03-01 21:07UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 TABLE OF CONTENTS | PART I | | | | --- | --- | --- | | Item 1. | Business | 3 | | Item 1A. | Risk Factors | 13 | | Item 1B. | Unresolved Staff Comments | 26 | | Item 2. | Properties | 26 | | Item 3. | Legal Proceedings ...