MARTIN MARIETTA MATERIALS INC 10-Q

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds . ISSUER PURCHASES OF EQUITY SECURITIES Total Number of Shares Maximum Number of Purchased as Part of Shares that May Yet Total Number of Average Price Publicly Announced be Purchased Under Period Shares Purchased Paid per Share Plans or Programs the Plans or Programs July 1, 2021 - July 31, 2021 — $ — — 13,520,952 August 1, 2021 - August 31, 2021 — $ — — 13,520,952 September 1, 2021 - September 30, 2021 — $ — — 13,520,952 Total — — Reference is made to the press release dated February 10, 2015 for the December 31, 2014 fourth-quarter and full-year results and announcement of the share repurchase program. The Company’s Board of Directors authorized a maximum of 20 million shares to be repurchased under the program. The program does not have an expiration date. Item 4. Mine Safety Disclosures. The information concerning mine safety violations or other regulatory matters required by Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act and Item 104 of Regulation S-K (17 CFR 229.104) is included in Exhibit 95 to this Quarterly Report on Form 10-Q. Page 52 of 54 It em 6. Exhibits. Exhibit No. Document 31.01 Certification dated November 2, 2021 of Chief Executive Officer pursuant to Securities and Exchange Act of 1934 Rule 13a-14 as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 31.02 Certification dated November 2, 2021 of Chief Financial Officer pursuant to Securities and Exchange Act of 1934 Rule 13a-14 as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 32.01 Written Statement dated November 2, 2021 of Chief Executive Officer required by 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 32.02 Written Statement dated November 2, 2021 of Chief Financial Officer required by 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 95 Mine Safety Disclosures 101.INS Inline XBRL Instance Document – The instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document. 101.SCH Inline XBRL Taxonomy Extension Schema Document 101.CAL Inline XBRL Taxonomy Extension Calculation Linkbase Document 101.LAB Inline XBRL Taxonomy Extension Label Linkbase Document 101.PRE Inline XBRL Taxonomy Extension Presentation Linkbase Document 101.DEF Inline XBRL Taxonomy Extension Definition Linkbase 104 Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101) Page 53 of 54 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. MARTIN MARIETTA MATERIALS, INC. (Registrant) Date: November 2, 2021 By: /s/ James A. J. Nickolas James A. J. Nickolas Sr. Vice President and Chief Financial Officer Page 54 of 54