Company: CPSH
Filing Date: 2025-10-08
Form Type: 424B5
Source: 0001437749-25-030673
Chunk: 1

Company: CPS TECHNOLOGIES CORP/DE/
Filing Date: 2025-10-08
Form: 424B5
Chunk 1
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4.06, the closing price of our common stock on September 24, 2025. Pursuant to General Instruction I.B.6. of Form S-3, in no event will we sell securities pursuant to the registration statement of which this prospectus supplement forms a part with a value more than one-third of the aggregate market value of our common stock held by non-affiliates in any 12-month period, so long as the aggregate market value of our common stock held by non-affiliates is less than $75.0 million. During the prior 12-calendar-month period that ends on, and includes, the date of this prospectus supplement, we have not offered any securities pursuant to General Instruction I.B.6. of Form S-3.

Investing in our common stock involves a high degree of risk. You should carefully review the risks and uncertainties referenced under the heading“Risk Factors”beginning on page S-4 of this prospectus supplement and in the accompanying prospectus and the documents that are incorporated by reference herein and therein

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or passed upon the adequacy or accuracy of this prospectus supplement or the accompanying prospectus. Any representation to the contrary is a criminal offense.

The underwriters expect to deliver the shares offered hereby on or about October 8, 2025, subject to the satisfaction of customary closing conditions.

<div align='center'>Roth Capital Partners

The date of this prospectus supplement is October 7, 2025</div>

| TABLE OF CONTENTS |

| Prospectus Supplement                                     | Page |
| About This Prospectus Supplement                          |  S-1 |
| Prospectus Supplement Summary                             |  S-2 |
| The Offering                                              |  S-3 |
| Risk Factors                                              |  S-4 |
| Cautionary Statement Regarding Forward-Looking Statements |  S-5 |
| Use of Proceeds                                           |  S-6 |
| Dilution                                                  |  S-7 |
| Underwriting                                              |  S-8 |
| Description of Capital Stock                              | S-11 |
| Legal Matters                                             | S-15 |
| Experts                                                   | S-16 |
| Where You Can Find More Information                       | S-17 |
| Incorporation of Information By Reference                 | S-18 |
| Prospectus                                                | Page |
| About This Prospectus                                     |    1 |
| Where You Can Find More Information                       |