Company: GSIT
Filing Date: 2025-10-21
Form Type: 424B5
Source: 0001104659-25-101303
Chunk: 2

Company: GSI TECHNOLOGY INC
Filing Date: 2025-10-21
Form: 424B5
Chunk 2
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| ​ | SUMMARY                                           | ​ | ​ | ​ | ​ |  2 | ​ | ​ |
| ​ | RISK FACTORS                                      | ​ | ​ | ​ | ​ |  5 | ​ | ​ |
| ​ | SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS | ​ | ​ | ​ | ​ |  6 | ​ | ​ |
| ​ | USE OF PROCEEDS                                   | ​ | ​ | ​ | ​ |  8 | ​ | ​ |
| ​ | SECURITIES WE MAY OFFER                           | ​ | ​ | ​ | ​ |  9 | ​ | ​ |
| ​ | DESCRIPTION OF COMMON STOCK AND PREFERRED STOCK   | ​ | ​ | ​ | ​ | 10 | ​ | ​ |
| ​ | DESCRIPTION OF DEBT SECURITIES                    | ​ | ​ | ​ | ​ | 12 | ​ | ​ |
| ​ | PLAN OF DISTRIBUTION                              | ​ | ​ | ​ | ​ | 23 | ​ | ​ |
| ​ | LEGAL MATTERS                                     | ​ | ​ | ​ | ​ | 25 | ​ | ​ |
| ​ | EXPERTS                                           | ​ | ​ | ​ | ​ | 25 | ​ | ​ |
| ​ | INFORMATION INCORPORATED BY REFERENCE             | ​ | ​ | ​ | ​ | 25 | ​ | ​ |
| ​ | WHERE YOU CAN FIND MORE INFORMATION               | ​ | ​ | ​ | ​ | 26 | ​ | ​ |

S-i

TABLE OF CONTENTS

### ABOUT THIS PROSPECTUS SUPPLEMENT
This prospectus supplement and the accompanying prospectus dated July 19, 2023 are part of a registration statement on Form S-3 that we filed with the Securities and Exchange Commission (the “ SEC ”) using a “shelf” registration process. Under this shelf registration process, we may from time to time sell any combination of the securities described in the accompanying prospectus in one or more offerings.

This prospectus supplement describes the terms of this offering of securities and also adds to and updates information contained in the accompanying prospectus and the documents incorporated by reference into this prospectus supplement and the accompanying prospectus. To the extent there is a conflict between the information contained in this prospectus supplement, on the one hand, and the information contained in the accompanying prospectus or any document incorporated by reference into this prospectus supplement or the