Mark Adams - Sep 29, 2025 Form 4 Insider Report for Penguin Solutions, Inc. (PENG)

Role: President and CEO, Director
Signature: /s/ Anne Kuykendall as attorney-in-fact for Mark Adams
Stock symbol: PENG
Transactions as of: Sep 29, 2025
Transactions value $: $0
Form type: 4
Date filed: 10/1/2025, 08:46 PM
Previous filing: Jul 22, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Adams Mark	President and CEO, Director	C/O PENGUIN SOLUTIONS, INC., 45800 NORTHPORT LOOP WEST, FREMONT	/s/ Anne Kuykendall as attorney-in-fact for Mark Adams	2025-10-01	0001349123

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PENG	Common Stock	Award	$0	+109K	+13.17%	$0.00	934K	Sep 29, 2025	Direct	F1
holding	PENG	Common Stock						29.6K	Sep 29, 2025	The Adams Family Trust

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents restricted stock units that will vest as to 6.25% on January 20, 2026, with the remainder vesting quarterly thereafter in 15 equal installments, subject to the recipient's continued employment through each applicable vesting date.

Remarks:

Exhibit 24.1 - Power of Attorney