Company: SNPS
Filing Date: 2025-02-14
Form Type: DEFA14A
Source: 0000883241-25-000009
Chunk: 0

Company: SYNOPSYS INC
Filing Date: 2025-02-14
Form: DEFA14A
Chunk 0
---
### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

#### SCHEDULE 14A
<div align='center'>Proxy Statement Pursuant to Section 14(a) of the
Securities Exchange Act of 1934

(Amendment No. )</div>

| Filed by the Registrant   ☒                    |     |                                                                                 |
| Filed by a Party other than the Registrant   ☐ |     |                                                                                 |
| Check the appropriate box:                     |     |                                                                                 |
| ☐                                              |     | Preliminary Proxy Statement                                                     |
| ☐                                              |     | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
| ☐                                              |     | Definitive Proxy Statement                                                      |
| ☒                                              |     | Definitive Additional Materials                                                 |
| ☐                                              |     | Soliciting Material Pursuant to §240.14a-12                                     |

#### Synopsys, Inc.
<div align='center'>(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)</div>

| Payment of Filing Fee (Check all boxes that apply): |     |                                                                                                      |
| ☒                                                   |     | No fee required.                                                                                     |
| ☐                                                   |     | Fee paid previously with preliminary materials.                                                      |
| ☐                                                   |     | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11. |