KAISER ALUMINUM CORP 10-K

Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities Market Information Our outstanding common stock is traded under the ticker symbol “KALU” on the Nasdaq Global Select Market. Holders As of February 22, 2021, there were approximately 484 holders of record of our common stock. Stock Performance Graph The following graph compares the cumulative total shareholder return on our common stock with: (i) the S&P SmallCap 600 Index; (ii) the Russell 2000 Index; and (iii) the S&P SmallCap 600 Materials Index. We are a component of each of these indices. The graph assumes: (i) an initial investment of $100 as of December 31, 2015 and (ii) reinvestment of all dividends. The performance graph is not necessarily indicative of the future performance of our stock price. COMPARISON OF 5 YEAR CUMULATIVE TOTAL RETURN Among Kaiser Aluminum Corporation, the S&P SmallCap 600 Index, the Russell 2000 Index and the S&P SmallCap 600 Materials Index Issuer Repurchases of Equity Securities We made no stock repurchases during the quarter ended December 31, 2020. In September 2018, our Board of Directors authorized an additional $100.0 million for us to repurchase shares of our common stock. At December 31, 2020, $93.1 million remained available to repurchase our common shares pursuant to the stock repurchase program. The September 2018 authorization does not have an expiration date. On March 18, 2020, we suspended our share repurchase program in response to ongoing economic uncertainty arising from the Coronavirus Disease 2019 (“COVID-19”) pandemic. Item 6. Selected Financial Data Reserved. 24