Company: PENG
Filing Date: 2025-12-19
Form Type: DEF 14A
Source: 0001616533-25-000073
Chunk: 0

Company: Penguin Solutions, Inc.
Filing Date: 2025-12-19
Form: DEF 14A
Chunk 0
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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549
<div align='center'>_______________</div>

#### SCHEDULE 14A INFORMATION

#### Proxy Statement Pursuant to Section 14(a) of the

#### Securities Exchange Act of 1934
<div align='center'>(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 under § 240.14a-12                                          |

#### PENGUIN SOLUTIONS, 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 previously paid 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. |

#### PENGUIN SOLUTIONS, INC.

### NOTICE OF ANNUAL MEETING OF STOCKHOLDERS

#### TO BE HELD ON FRIDAY, FEBRUARY 6, 2026
December 19, 2025

Dear Stockholder:

You are cordially invited to attend the 2026 Annual Meeting of the Stockholders (the “Annual Meeting”) of Penguin Solutions, Inc., a Delaware corporation (“we,” “us,” “Penguin Solutions,” or the “Company”). The Annual Meeting will be held on Friday, February 6, 2026 at 10:00 a.m. Pacific Time. The Annual Meeting will be a completely virtual meeting, which will be conducted via live webcast. You will be able to attend the Annual Meeting online and submit your questions during the meeting by visiting www.virtualshareholdermeeting.com/PENG2026 and entering your 16-digit control number included