Item 5. MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

Market Information and Holders

The Company’s common stock, $0.01 par value, is traded on the New York Stock Exchange (NYSE) (Symbol: MLM). There were 739 holders of record of the Company’s common stock as of February 15, 2023.

Form 10-K ♦ Page 32

Part II ♦ Item 5 – Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

Common Stock Performance Graph

The following graph and accompanying table compare the five-year cumulative total return from December 31, 2017 to December 31, 2022 for (a) the Company’s common stock, (b) the Standard & Poor’s 500 Composite Stock Index, and (c) the Standard & Poor’s 500 Materials Index.

Recent Sales of Unregistered Securities

None.

Form 10-K ♦ Page 33

Part II ♦ Item 5 – Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

Issuer Purchases of Equity Securities

The Company’s stock repurchase program, which currently authorizes the repurchase of 20 million shares of common stock, is approved by the Board of Directors from time to time, and updated as appropriate by the Board of Directors, and announced to the public by press release. The latest announcement on this topic was the Company’s press release dated February 10, 2015 that its Board of Directors had authorized the repurchase of up to 20 million shares of its outstanding common stock, which included 5 million shares authorized under the Company’s previous share repurchase program. Previous press releases announcing prior share repurchase programs and the related amounts of common stock included under the share repurchase authorizations were as follows: (i) press release dated August 15, 2007 (5 million shares); (ii) press release dated February 22, 2006 (5 million shares); and (iii) May 6, 1994 (2.5 million shares).