Company: GOOGL
Filing Date: 2025-11-03
Form Type: 424B5
Source: 0001193125-25-261740
Chunk: 88

Company: Alphabet Inc.
Filing Date: 2025-11-03
Form: 424B5
Chunk 88
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 no responsibility for any other information that others may give you. The securities offered under this
prospectus are offered only in jurisdictions where offers and sales are permitted. The information contained in this prospectus is accurate only as of the date of this prospectus, regardless of the time of delivery of this prospectus or any sale of
the securities offered hereby.

This prospectus is part of a registration statement that we filed with the SEC, using a
“shelf” registration process under the Securities Act relating to the securities to be offered. This prospectus does not contain all of the information set forth in the registration statement, certain parts of which are omitted in
accordance with the rules and regulations of the SEC. Statements contained herein concerning any document filed as an exhibit are not necessarily complete, and in each instance, reference is made to the copy of such document filed as an exhibit to
the registration statement. Whenever a reference is made in this prospectus to such document, the reference is only a summary and you should refer to the exhibits that are a part of the registration statement for a copy of the document. Each such
statement is qualified in its entirety by such reference.

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$ Alphabet Inc. $ Floating Rate Notes due 20 $ % Notes due 20 $ % Notes due 20 $ % Notes due 20 $ % Notes due 20 $ % Notes due 20 $ % Notes due 20 $ % Notes due 20 PROSPECTUS SUPPLEMENT Joint Global Coordinators and Joint Book-Running Managers

| Goldman Sachs & Co. LLC |     | HSBC |     | J.P. Morgan |

Joint Book-Running Managers

| BofA Securities |     | Citigroup |     | Morgan Stanley |     | Wells Fargo Securities |

, 2025