Company: SNPS
Filing Date: 2025-03-05
Form Type: 424B5
Source: 0001140361-25-007235
Chunk: 0

Company: SYNOPSYS INC
Filing Date: 2025-03-05
Form: 424B5
Chunk 0
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#### TABLE OF CONTENTS

#### Filed pursuant to Rule 424(b)(5)

#### Registration No. 333-285378

### PROSPECTUS SUPPLEMENT
**(To Prospectus dated February 27, 2025)**

<div align='center'>**$10,000,000,000**</div>

#### SYNOPSYS, INC.
<div align='center'>**$1,000,000,000 4.550% Senior Notes due 2027

$1,000,000,000 4.650% Senior Notes due 2028

$2,000,000,000 4.850% Senior Notes due 2030

$1,500,000,000 5.000% Senior Notes due 2032

$2,400,000,000 5.150% Senior Notes due 2035

$2,100,000,000 5.700% Senior Notes due 2055**</div>

We are offering $1,000,000,000 aggregate principal amount of our senior notes due 2027 (the “2027 notes”), $1,000,000,000 aggregate principal amount of our senior notes due 2028 (the “2028 notes”), $2,000,000,000 aggregate principal amount of our senior notes due 2030 (the “2030 notes”), $1,500,000,000 aggregate principal amount of our senior notes due 2032 (the “2032 notes”), $2,400,000,000 aggregate principal amount of our senior notes due 2035 (the “2035 notes”) and $2,100,000,000 aggregate principal amount of our senior notes due 2055 (the “2055 notes”). We refer to the 2027 notes, the 2028 notes, the 2030 notes, the 2032 notes, the 2035 notes and the 2055 notes as the “notes.”

The 2027 notes will mature on April 1, 2027, the 2028 notes will mature on April 1, 2028, the 2030 notes will mature on April 1, 2030, the 2032 notes will mature on April 1, 2032, the 2035 notes will mature on April 1, 2035 and the 2055 notes will mature on April 1, 2055. We will pay interest on the 2027 notes