SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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 September30, 2025 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _to _ EMBECTA CORP. (Exact name of registrant as specified in its charter) (862) 401-0000 Registrant's telephone number, including area code Securities registered pursuant to Section 12(b) of the Act: Securities registered pursuant to Section 12(g) of the Act:None Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 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);and (2) has been subject to such filing requirements for the past 90 days.Yes☒No☐ 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 theregistrant was required to submit such files).Yes☒No☐ 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 filer☒Non-accelerated filer☐Emerging growth company☐ 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 Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectivenessof its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registeredpublic accounting firm that prepared or issued its audit report.Yes☒No☐ If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of theregistrant included in the filing reflect the correction of an error to previously issued financial statements.☐ Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-basedcompensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).Yes☐No☒ The aggregate market value of the voting common equity held by non-affiliates of the registrant, computed by reference to the closingprice at which the common stock was sold as of the end of the second fiscal quarter ended March 31, 2025, was approximately$732million. The registrant had outstanding 58,512,841 shares of common stock as of November18, 2025. DOCUMENTS INCORPORATED BY REFERENCE The information required by Items 10, 11, 12, 13 and 14 of Part III of this Annual Report on Form 10-K is incorporated by reference tothe Registrant’s definitive proxy statement for its 2026 Annual Meeting of Stockholders (the “2026 Proxy Statement”), which will befiled pursuant to Regulation 14A with the United States Securities and Exchange Commission (“SEC”) within 120 days after the endof the fiscal year to which this report relates. Embecta Corp.2025 Form 10-K Annual ReportTable of Contents Part I. Item 1.Business.Item 1A.Risk Factors.Item 1B.Unresolved Staff Comments.Item 1C.CybersecurityItem 2.Properties.Item 3.Legal Proceedings.Item 4.Mine Safety Disclosures. Part II. Item 5.Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of EquitySecurities.33Item 6.[ Reserved ].34Item 7.Management’s Discussion and Analysis of Financial Condition and Results of Operations.34Item 7A.Quantitative and Qualitative Disclosures About Market Risk.44Item 8.Financial Statements and Supplementary Data46Item 9.Changes in and Disagreements With Accountants on Accounting and Financial Disclosures.78Item 9A.Controls and Procedures.78Item 9B.Other Information.Item 9C.Disclosure Regarding Foreign Jurisdictions that Prevent Inspections.Part III.80 Item 10.Directors, Executive Officers and Corporate Governance.80Item 11.Executive Compensation.80Item 12.Security Ownership of Certain Beneficial Owners and Management