Changes in Beneficial Ownership · 4

Penguin Solutions, Inc.

PENGNASDAQEQUITYCurrent

Changes in Beneficial Ownership

Filed Oct 8, 2026Accepted Oct 8, 2026, 4:47 PM EDTFiling CIK 1616533Accession 0001439598-26-000006

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Structured filing — 4

wk-form4_1791492471.xml

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Filing details

Report period: 2026-10-06
Issuer: Penguin Solutions, Inc.
Issuer CIK: 0001616533
Trading symbol: PENG

Reporting owner 1

Name: Cumming Stephen
Reporting owner CIK: 0001439598
Relationship: Officer
Officer title: SVP and CFO
Address: C/O PENGUIN SOLUTIONS, INC., 45800 NORTHPORT LOOP W., FREMONT, CA, 94538

Non-derivative transactions

Non-derivative transactions · 1 reported row
Security	Transaction date	Code	Amount	A / D	Price (USD)	Owned after	Ownership
Common Stock	2026-10-06	A · Form 4	33,502^[F1]	A	0	33,502	D

Table key

A · Form 4: Acquisition by grant, award or otherwise under Rule 16b-3(d)
A: Acquired
D: Direct

Footnotes

F1: Represents restricted stock units ("RSUs") that will vest as to 25% on October 20, 2027, with the remainder vesting quarterly thereafter in 12 equal installments, subject to the recipient's continued service through each applicable vesting date.↩ 1

Signature 1

Signed: /s/ Anne Kuykendall as attorney-in-fact for Stephen Cumming
Date: 2026-10-08

Company context

Penguin Solutions is the AI Factory Platform Company. We design, build, and manage next-generation data centers for enterprises, sovereign AI initiatives, and neocloud providers. With deep design expertise at the intersection of data center AI infrastructure and memory solutions, our Full-Stack AI Factory Platform combines differentiated infrastructure software, advanced memory, compute systems, end-to-end services, and industry-leading partner technologies to help customers accelerate deployment, optimize token economics, and maximize the return on their AI investments.

Current securities

PENGNASDAQ · EQUITY · Current

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