UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 or 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of April 2022

Commission File Number: 001-14946

CEMEX, S.A.B. de C.V.

(Translation of Registrant’s name into English)

Avenida Ricardo Margáin Zozaya #325, Colonia Valle del Campestre

San Pedro Garza García, Nuevo León, México 66265

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F  ☒                Form 40-F  ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):  ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):  ☐

EXHIBIT INDEX

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, CEMEX, S.A.B. de C.V. has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Exhibit 1

CEMEX FILES ANNUAL REPORT ON FORM 20-F FOR FISCAL YEAR 2021

MONTERREY, MEXICO. APRIL 29, 2022 – CEMEX, S.A.B. de C.V. (“CEMEX”) (NYSE: CX) announced today that it has filed its annual report for the fiscal year ended December 31, 2021 on Form 20-F with the United States Securities and Exchange Commission (the “SEC”).

The annual report on Form 20-F is available on CEMEX’s website via the following link: www.cemex.com/en/20FReport2021 and is also available on the SEC website at http://www.sec.gov. CEMEX will provide a hard copy of its annual report on Form 20-F, including audited financial statements, free of charge to its shareholders and ADS holders upon request. Requests should be directed to CEMEX Investor Relations at +1(212) 317-6011 or ir@cemex.com.

CEMEX is a global construction materials company that is building a better future through sustainable products and solutions. CEMEX is committed to achieving carbon neutrality through relentless innovation and industry-leading research and development. CEMEX is at the forefront of the circular economy in the construction value chain and is pioneering ways to increase the use of waste and residues as alternative raw materials and fuels in its operations with the use of new technologies. CEMEX offers cement, ready-mix concrete, aggregates, and urbanization solutions in growing markets around the world, powered by a multinational workforce focused on providing a superior customer experience, enabled by digital technologies. For more information, please visit: www.cemex.com.

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The information contained in the annual report filed on Form 20-F referenced above (the “Report”) contains forward-looking statements within the meaning of the U.S. federal securities laws. CEMEX intends these forward-looking statements to be covered by the safe harbor provisions for forward-looking statements within the meaning of the U.S. federal securities laws. You should refer to the “Cautionary Statement Regarding Forward-Looking Statements” in the Report for a description of circumstances under which any or all of CEMEX’s forward-looking statements contained in the Report may turn out to be incorrect or inaccurate. These factors may be revised or supplemented, but CEMEX is not under, and expressly disclaims, any obligation to update or correct the Report or any forward-looking statement contained therein, whether as a result of new information, future events or otherwise. Readers should review future reports filed by CEMEX with the U.S. Securities and Exchange Commission and the Mexican Stock Exchange (Bolsa Mexicana de Valores).