Company: SNPS
Filing Date: 2025-02-27
Form Type: S-3ASR
Source: 0001140361-25-006339
Chunk: 2

Company: SYNOPSYS INC
Filing Date: 2025-02-27
Form: S-3ASR
Chunk 2
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 the other information contained or incorporated by reference in this prospectus and the applicable prospectus supplement, before making a decision to invest in our securities.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus is truthful or complete. Any representation to the contrary is a criminal offense.**

#### The date of this prospectus is February 27, 2025.
TABLE OF CONTENTS

TABLE OF CONTENTS

| ABOUT THIS PROSPECTUS                 |     |  1 |
| FORWARD-LOOKING STATEMENTS            |     |  2 |
| SYNOPSYS, INC.                        |     |  4 |
| RISK FACTORS                          |     |  5 |
| USE OF PROCEEDS                       |     |  5 |
| DESCRIPTION OF DEBT SECURITIES        |     |  6 |
| GLOBAL SECURITIES                     |     | 13 |
| PLAN OF DISTRIBUTION                  |     | 17 |
| LEGAL MATTERS                         |     | 19 |
| EXPERTS                               |     | 19 |
| INFORMATION INCORPORATED BY REFERENCE |     | 19 |
| WHERE YOU CAN FIND MORE INFORMATION   |     | 20 |

We are responsible for the information contained and incorporated by reference in this prospectus, in any accompanying prospectus supplement, and in any related free writing prospectus we prepare or authorize. No person is authorized to give any information or to make any representation that is different from, or in addition to, those contained or incorporated by reference into this prospectus. If given or made, such information or representations must not be relied upon as having been authorized by us, and we take no responsibility for any information that others may give you. If you are in a jurisdiction where offers to sell, or solicitations of offers to purchase, the securities offered by this document are unlawful, or if you are a person to whom it is unlawful to direct these types of activities, then the offer presented in this document does not extend to you. The information contained in this document speaks only as of the date of this document, unless the information specifically indicates that another date applies. Unless we have indicated otherwise, references in this prospectus to “Synopsys,” “company,” “we,” “us,” “our” and similar terms refer to Synopsys, Inc. and its subsidiaries.

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#### TABLE OF CONTENTS

### ABOUT THIS PROSPECTUS
This prospect