Viavi Solutions Inc 美股招股说明书（2026年5月20日版）

Neither the Securities and Exchange Commission nor any state securities commission has approved ordisapproved of these securities or passed upon the adequacy or accuracy of this prospectus supplement or The underwriters expect to deliver the shares of common stock against payment on or about May21, 2026. Table of Contents Prospectus supplement PageABOUT THIS PROSPECTUS SUPPLEMENTS-iiPROSPECTUS SUPPLEMENT SUMMARYS-1 Prospectus TABLE OF CONTENTS ABOUT THIS PROSPECTUS SUPPLEMENT This prospectus supplement is part of an automatic shelf registration statement that we filed with the U.S.Securitiesand Exchange Commission (the “SEC”) as a “well-known seasoned issuer” as defined in Rule405 under theSecurities Act of 1933, as amended (the “Securities Act”). Under this automatic shelf registration process, we mayoffer shares of our common stock from time to time under this prospectus supplement and on terms to be determinedby market conditions at the time of the offering. Before buying any of the common stock that we are offering, we This document consists of two parts. The first part is this prospectus supplement, which describes the specific termsof this offering and also adds to and updates the information contained in the accompanying prospectus and thedocuments incorporated by reference into this prospectus supplement and the accompanying prospectus. The secondpart, the accompanying prospectus, gives more general information, some of which may not apply to this offering.To the extent there is a conflict between the information contained in this prospectus supplement, on the one hand, We have not, and the underwriters have not, authorized anyone else to provide you with information that is inaddition to or different from that contained or incorporated by reference in this prospectus supplement and theaccompanying prospectus, along with the information contained in any permitted free writing prospectuses we haveauthorized for use in connection with this offering. We take, and the underwriters take, no responsibility for, and canprovide no assurance as to the reliability of, any other information that others may give you. Neither this prospectussupplement nor the accompanying prospectus nor any related issuer free writing prospectus shall constitute an offerto sell or a solicitation of an offer to buy offered securities in any jurisdiction in which it is unlawful for such personto make such an offering or solicitation. You should not assume that the information contained in or incorporated byreference in this prospectus supplement or the accompanying prospectus or any authorized free writing prospectus isaccurate as of any date other than their respective dates, unless the information specifically indicates that another Neither we nor the underwriters have done anything that would permit this offering or possession or distribution ofthis prospectus supplement and the accompanying prospectus in any jurisdiction where action for that purpose isrequired, other than in the United States. Persons who come into possession of this prospectus supplement, theaccompanying prospectus and any free writing prospectus related to this offering in jurisdictions outside the United This document has been prepared on the basis that any offer of shares in any relevant European Economic Areamember state will be made pursuant to an exemption under European prospectus law from the requirement topublish a prospectus for offers of shares and does not constitute an offer to or solicitation of anyone to purchase This prospectus supplement and the accompanying prospectus, including the information incorporated by referenceinto this prospectus supplement and the accompanying prospectus, and any free writing prospectuses we haveauthorized for use in connection with this offering, include trademarks, service marks and trade names owned by us TABLE OF CONTENTS reference into this prospectus supplement and the accompanying prospectus, and any free writing prospectuses wehave authorized for use in connection with this offering, are the property of their respective owners. We obtained the industry and market data included or incorporated by reference in this prospectus supplement fromour own research as well as from industry and general publications, surveys and studies conducted by third parties.These data involve a number of assumptions and limitations, and you are cautioned not to give undue weight to suchestimates. In addition, projections, assumptions and estimates of our future performance and the future performanceof the industry in which we operate are necessarily subject to a high degree of uncertainty and risk due to a variety TABLE OF CONTENTS PROSPECTUS SUPPLEMENT SUMMARY This summary highlights selected information contained elsewhere in this prospectus supplement and theaccompanying prospectus or incorporated by reference. This summary does not contain all of the information thatmay be important to you and your invest