DUPONT DE NEMOURS, INC.

1 UNITED STATESSECURITIES AND EXCHANGE COMMISSIONW ashington, 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 or TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-38196 DUPONT DE NEMOURS, INC. (Exact name of registrant as specified in its charter)Delaware81-1224539 State or other jurisdiction of incorporation or organization( Employer Identification No.)

2 974 Centre RoadBuilding 730 WilmingtonDelaware19805(Address of Principal Executive Offices)(Zip Code)(302) 774-3034 (Registrant s Telephone Number, Including Area Code)Securities registered pursuant to Section 12(b) of the Act:Title of each classTrading Symbol(s)Name of each exchange on which registeredCommon Stock, par value $ per shareDDNew York Stock ExchangeNo securities are registered pursuant to Section 12(g) of the by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.

3 Yes NoIndicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes No Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

4 Yes No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T ( of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes No Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company.

5 See the definitions of large accelerated filer, accelerated filer, smaller reporting company, and "emerging growth company" in Rule 12b-2 of the Exchange Accelerated Filer Accelerated filer Non-accelerated filer Smaller reporting company Emerging growth company If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

6 Indicate by check mark whether the registrant has filed a report on and attestation to its management s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 7262(b)) by the registered public accounting firm that prepared or issued its audit report. Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes NoThe aggregate market value of the common equity held by non-affiliates of the registrant as of June 30, 2020, (the last day of the registrant's most recently completed second fiscal quarter), was approximately $39 billion based on the New York Stock Exchange closing price on such date.

7 For purposes of this computation, the registrant has assumed that its Directors and Executive Officers are registrant had 538,089,014 shares of common stock, $ par value, outstanding at February 10, INCORPORATED BY REFERENCEPart III: Proxy Statement for the 2021 Annual Meeting of Stockholders to be filed not later than 120 days after the end of the fiscal year covered by this Form de Nemours, REPORT ON FORM 10-KFor the year ended December 31, 2020 TABLE OF CONTENTS PagePART I Item Item Factors18 Item Staff Comments27 Item Item Proceedings29 Item Safety Disclosures29 PART II Item for Registrant's Common Equity.

8 Related Stockholder Matters and Issuer Purchases of Equity Securities30 Item 's Discussion and Analysis of Financial Condition and Results of Operations32 Item and Qualitative Disclosures About Market Risk60 Item Statements and Supplementary Data60 Item in and Disagreements With Accountants on Accounting and Financial Disclosure61 Item and Procedures61 Item Information61 PART III Item , Executive Officers and Corporate Governance62 Item Compensation62 Item Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters62 Item Relationships and Related Transactions, and Director Independence62 Item Accountant Fees and Services62 PART IV Item and Financial Statement Schedules63 Item 10-K Summary66 SIGNATURES 67 Table of Contents3 DUPONT de Nemours, this Annual Report on Form 10-K, except as otherwise noted by the context.

9 The terms " DUPONT " or "Company" used herein mean DUPONT de Nemours, Inc. and its consolidated subsidiaries. On June 1, 2019, DowDuPont Inc. changed its registered name to DUPONT de Nemours, Inc. ( DUPONT ) (for certain events prior to June 1, 2019, the Company may be referred to as DowDuPont). Beginning on June 3, 2019, the Company's common stock is traded on the New York Stock Exchange under the ticker symbol "DD."Effective August 31, 2017, E. I. du Pont de Nemours and Company ("EID") and The Dow Chemical Company ("TDCC") each merged with subsidiaries of DowDuPont Inc.

10 (n/k/a " DUPONT ) and, as a result, EID and TDCC became subsidiaries of the Company. On April 1, 2019, the Company completed the separation of the materials science business through the spin-off of Dow Inc., ( Dow ) including Dow s subsidiary TDCC (the Dow Distribution ). On June 1, 2019, the Company completed the separation of the agriculture business through the spin-off of Corteva, Inc. ( Corteva ) including Corteva s subsidiary EID, (the Corteva Distribution and together with the Dow Distribution, the DWDP Distributions ).