碧迪医疗美股招股说明书(2026-05-11版)

TABLE OF CONTENTS The information in this preliminary prospectus supplement is not complete and may be changed. Thispreliminary prospectus supplement and the accompanying prospectus are not an offer to sell these securitiesand they are not soliciting an offer to buy these securities in any jurisdiction where the offer or sale is notpermitted. Filed Pursuant to Rule 424(b)(2)Registration No. 333-279084-01333-279084 SUBJECT TO COMPLETION, DATED MAY 11, 2026 Prospectus Supplement to Prospectus dated December 3, 2025 Becton Dickinson Euro Finance S.à r.l.€% Notes due 20 Fully and Unconditionally Guaranteed by Becton, Dickinson and Company Becton Dickinson Euro Finance S.à r.l.(the “Issuer”) is offering €aggregate principal amount of% Notes due 20(the“notes”). Interest on the notes will be payable in cash annually in arrears onof each year, beginning on, 2027. The noteswill mature on, 20. The Issuer may, at its option, redeem the notes, in whole or in part, at any time and from time to time, at the applicable redemption pricesdescribed in this prospectus supplement. See “Description of Notes—Optional Redemption.” In addition, the Issuer may redeem the notesin whole, but not in part, at any time in the event of certain changes in the laws of a relevant Taxing Jurisdiction (as defined herein). See“Description of Notes—Redemption for Tax Reasons.” If a change of control triggering event occurs as described in this prospectussupplement under the heading “Description of Notes—Offer to Repurchase Upon Change of Control Triggering Event,” unless the Issuerhas exercised its right to redeem such notes as described under “Description of Notes—Optional Redemption” or “Description of Notes—Redemption for Tax Reasons,” the Issuer will be required to offer to purchase the notes from the holders. The Issuer and BD expect to use the net proceeds from this offering, together with cash on hand, to repay the entire aggregate principalamount outstanding of the Issuer’s 1.208% Euro Notes due June4, 2026, and pay accrued interest, fees and expenses in connectiontherewith. See “Use of Proceeds.” The notes will be the Issuer’s direct, senior unsecured obligations and will bepari passuin right of payment with all of the Issuer’s othersenior unsecured indebtedness from time to time outstanding. The notes will be fully and unconditionally guaranteed (the “guarantees”) ona senior unsecured basis by BD, the indirect parent company of the Issuer. BD’s guarantees will be senior unsecured obligations of BD andwill bepari passuin right of payment with all of BD’s other senior unsecured indebtedness and guarantees from time to time outstanding.The notes will be issued in minimum denominations of €100,000 and in integral multiples of €1,000 in excess thereof. The notes constitute a new issue of securities for which there is no established trading market. Application has been made to the NewYorkStock Exchange (“NYSE”) for the listing of the notes. There can be no assurance that the notes will be approved for listing on the NYSEor that a liquid trading market for the notes will develop. Investing in the notes involves risks that are described in the “Risk Factors” section of this prospectus supplement beginning on pageS-7and in BD’s latest Annual Report on Form 10-K, which is incorporated by reference into this prospectus supplement (as such risk factorsmay be updated from time to time in BD’s public filings). None of the U.S. Securities and Exchange Commission (the “SEC”), the Luxembourg Financial Sector Authority (the“Commissionde Surveillance du Secteur Financier”) or any other regulatory body has approved or disapproved of these securities or passedupon the adequacy or accuracy of this prospectus supplement or the related prospectus. Any representation to the contrary is acriminal offense. (1)Plus accrued interest from May, 2026, if settlement occurs after that date. We expect that delivery of the notes will be made to investors in book-entry form under the New Safekeeping Structure (the “NSS”)through Euroclear Bank SA/NV (“Euroclear”) and Clearstream Banking S.A. (“Clearstream”) (together, Euroclear and Clearstream arereferred to herein as the “ICSDs”), on or about May, 2026. Upon issuance, the notes will be represented by global notes in registeredform (the “Global Notes”), which are expected to be deposited with a common safekeeper (“Common Safekeeper”) for Euroclear andClearstream and registered in the name of a nominee of the Common Safekeeper. The notes are intended to be held in a manner which will allow Eurosystem eligibility. This simply means that the notes are intended uponissue to be deposited with one of the ICSDs as Common Safekeeper (and registered in the name of a nominee of one of the ICSDs actingas Common Safekeeper) and does not necessarily mean that the notes will be recognized as eligible collateral for Eurosystem monetarypolicy and intra-day credit operations by the Eurosystem either upon issue or at any o