☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIESEXCHANGE ACT OF 1934 For the Quarterly Period Ended March 31, 2026 or ☐Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934For the transition period fromtoCommission File Number 1-8472 Hexcel Corporation (Exact name of registrant as specified in its charter) 94-1109521 (I.R.S. Employer Identification No.) Two Stamford Plaza281 Tresser BoulevardStamford, Connecticut 06901-3238(Address of principal executive offices and zip code) Registrant’s telephone number, including area code: (203) 969-0666 Securities registered pursuant to Section 12(b) of the Act: New York Stock Exchange Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of theSecurities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to filesuch reports), and (2) has been subject to such filing requirements for the past 90 days.YesNo 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 thatthe registrant was required to submit such files).YesNo 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 the definitions of “large accelerated filer,” “accelerated filer,” “smallerreporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. Large accelerated filerNon-accelerated filer Accelerated filerSmaller 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 complyingwith any new or revised financial accounting standards provided pursuant to Section 13(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 Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date. HEXCEL CORPORATION AND SUBSIDIARIESINDEX PagePART I.FINANCIAL INFORMATION3ITEM 1.Condensed Consolidated Financial Statements (Unaudited)3•Condensed Consolidated Balance Sheets — March 31, 2026 and December 31, 20253•Condensed Consolidated Statements of Operations — The quarters ended March 31, 2026 and 20254•Condensed Consolidated Statements of Comprehensive Income — The quarters ended March 31, 2026and 20254•Condensed Consolidated Statements of Cash Flows — The quarters ended March 31, 2026 and 20255•Condensed Consolidated Statements of Stockholders’ Equity — The quarters ended March 31, 2026and 20256•Notes to Condensed Consolidated Financial Statements7ITEM 2.Management’s Discussion and Analysis of Financial Condition and Results of Operations16ITEM 3.Quantitative and Qualitative Disclosures About Market Risk21ITEM 4.Controls and Procedures21PART II.OTHER INFORMATION22ITEM 1.Legal Proceedings22ITEM 1A.Risk Factors22ITEM 2.Unregistered Sales of Equity Securities and Use of Proceeds22ITEM 6.Exhibits23SIGNATURE24 PART I. FINANCIAL INFORMATION The accompanying notes are an integral part of these condensed consolidated financial statements. HEXCEL CORPORATION AND SUBSIDIARIESNOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS(Unaudited) Note 1 — Significant Accounting Policies In these notes, the terms “Hexcel,” “the Company,” “we,” “us,” or “our” mean Hexcel Corporation and subsidiary companies.The accompanying condensed consolidated financial statements are those of Hexcel Corporation. Refer to Note 1 to theconsolidated financial statements included in the Annual Report on Form 10-K for the year ended December 31, 2025 for adiscussion of our significant accounting policies. Basis of Presentation The accompanying condensed consolidated financial statements have been prepared from the unaudited accounting records ofHexcel pursuant to rules and regulations of the Securities and Exchange Commission (“SEC”) and in accordance with accountingprinciples generally accepted in the United States of America (“GAAP”) for interim financial information. Certain information andfootnote disclosures normally included in financial statements have been omitted pursuant to rules and regulations of the SEC. Inthe opinion of management, the condensed consolidated financial statements include all normal recurring adjustments as well asany non-recurring adjustments necessary to present fairly the statement of financial position, results of operations, cash flows andstatement of stockholders’ equity for the interim periods presented. The Condensed Consolidated Balance Sheet as of December31, 2025 was derived from the audited 2025 consolidate