☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period endedMarch31, 2025 Indicate by check mark whether the registrant (1)has filed all reports required to be filed by Section13 or 15(d) of the SecuritiesExchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submittedpursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smallerreporting company, or an emerging growth company. See definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting LargeacceleratedfilerNon-acceleratedfiler Accelerated filer☒Smallerreportingcompany☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period forcomplying with any new or revised financial accounting standards provided pursuant to Section13(a) of the Exchange Act☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).Yes☐No☒As of April25, 2025, there were50,447,151shares of the registrant’s common stock, par value $0.01 per share, outstanding. NN, Inc. PART I. FINANCIAL INFORMATION Item1.Financial StatementsCondensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited)Condensed Consolidated Balance Sheets (Unaudited)Condensed Consolidated Statements of Cash Flows (Unaudited)Condensed Consolidated Statements of Changes in Stockholders’ Equity (Unaudited)Notes to Condensed Consolidated Financial Statements (Unaudited)Note 1. Interim Financial StatementsNote 2. Segment InformationNote 3. Revenue from Contracts with CustomersNote 4. Accounts ReceivableNote5. InventoriesNote6. Intangible AssetsNote7. Investment in Joint VentureNote8. DebtNote9. Preferred StockNote10. LeasesNote 11. Commitments and ContingenciesNote 12. Income TaxesNote13. Net Loss Per Common ShareNote14. Share-Based CompensationNote 15. Accumulated Other Comprehensive IncomeNote16. Fair Value MeasurementsNote17. Plant Optimization ActivitiesNote18. Subsequent Event Item2.Management’s Discussion and Analysis of Financial Condition and Results of Operations Item3.Quantitative and Qualitative Disclosures About Market Risk PART II. OTHER INFORMATION Item1.Legal ProceedingsItem1A.Risk FactorsItem2.Unregistered Sales of Equity Securities and Use of ProceedsItem3.Defaults Upon Senior SecuritiesItem4.Mine Safety DisclosuresItem5.Other InformationItem6.ExhibitsSIGNATURES NN, Inc.Notes to Condensed Consolidated Financial Statements Note 1.Interim Financial Statements Nature of Business NN, Inc., a Delaware corporation, is a diversified industrial company that combines advanced engineering and production capabilitieswith in-depth materials science expertise to design and manufacture high-precision components and assemblies for a variety of endmarkets on a global basis. As of March31, 2025, we had 24 facilities in North America, South America, Europe and China. As used in Basis of Presentation The accompanying condensed consolidated financial statements have not been audited. The Condensed Consolidated Balance Sheet asof December31, 2024, was derived from the audited consolidated financial statements included in our Annual Report on Form10-Kfor the year ended December31, 2024 (the “2024 Annual Report”), which we filed with the U.S. Securities and Exchange statements reflect all adjustments necessary to fairly state our results of operations for the three months ended March31, 2025 and2024; financial position as of March31, 2025 and December31, 2024; and cash flows for the three months ended March31, 2025 and2024, on a basis consistent with our audited consolidated financial statements. These adjustments are of a normal recurring nature andare, in the opinion of management, necessary to state fairly the our financial position and operating results for the interim periods. Certain information and footnote disclosures normally included in the consolidated financial statements prepared in accordance withaccounting principles generally accepted in the United States (“U.S. GAAP”) have been condensed or omitted from the unauditedcondensed consolidated financial statements presented in this Quarterly Report. These unaudited condensed consolidated financial Except for per share data or as otherwise indicated, all U.S. dollar amounts and share counts presented in the tables in these Notes toCondensed Consolidated Financial Statements are in thousands. Accounting Standards Recently Adopted In November 2023, the Financial Accounting Standards Board (“FASB”) issued Accounting Standa