Company: PENG
Filing Date: 2025-06-30
Form Type: S-8 POS
Source: 0001193125-25-152836
Chunk: 2

Company: Penguin Solutions, Inc.
Filing Date: 2025-06-30
Form: S-8 POS
Chunk 2
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 |     | ☐ |     | Smaller reporting company |     | ☐ |
|                         |     |   |     | Emerging growth company   |     | ☐ |

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ☐

EXPLANATORY NOTE This Post-Effective Amendment is being filed pursuant to Rule 414 under the Securities Act of 1933, as amended (the “ Securities Act”), by Penguin Solutions, Inc., a Delaware corporation (“ Penguin Solutions Delaware” or the “ Registrant”), as successor issuer to Penguin Solutions, Inc., a Cayman Islands exempted company (“ Penguin Solutions Cayman”). On June 30, 2025, Penguin Solutions Cayman completed a court-sanctioned scheme of arrangement (the “ Scheme of Arrangement”), as part of Penguin Solutions Cayman’s previously announced intention to redomicile to the United States (the “ Redomiciliation”). Pursuant to the Redomiciliation, among other things, all issued ordinary shares in the capital of Penguin Solutions Cayman as of the scheme record time under the Scheme of Arrangement were exchanged on a one-for-onebasis for newly issued shares of common stock of Penguin Solutions Delaware. As a result of the Redomiciliation, Penguin Solutions Cayman is now a wholly-owned subsidiary of Penguin Solutions Delaware, and Penguin Solutions Delaware is the successor issuer to Penguin Solutions Cayman. In connection with the Redomiciliation, Penguin Solutions Delaware assumed Penguin Solutions Cayman’s existing obligations in connection with awards granted under Penguin Solutions Cayman’s equity incentive plans, assumed and amended and restated such plans and amended such awards as necessary to provide for the issuance of shares of Penguin Solutions Delaware common stock rather than the ordinary shares of Penguin Solutions Cayman upon the exercise or vesting of awards or purchase of shares. This Post-Effective Amendment pertains to the adoption by Penguin Solutions Delaware of the following registration statements on Form S-8(collectively, the “ Registration Statements”): (i) Registration No. 333-218605,(ii) Registration No. 333-221534,(iii) Registration No. 333-223880,(iv) Registration No. 333-227449,(v) Registration No. 333-230578,(vi) Registration No. 333-234541,(vii) Registration No. 333-249619