EUGENE I. LEE JR - 02 Jan 2026 Form 4 Insider Report for Portillo's Inc. (PTLO)

Role: Director
Signature: /s/ Kelly M. Kaiser, as attorney-in-fact for Eugene I. Lee, Jr.
Issuer symbol: PTLO
Transactions as of: 02 Jan 2026
Net transactions value: $0
Form type: 4
Filing time: 05 Jan 2026, 16:39:15 UTC
Previous filing: 27 Oct 2025
Next filing: 27 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
LEE EUGENE I JR	Director	C/O PORTILLO'S INC., 2001 SPRING ROAD, SUITE 400, OAK BROOK	/s/ Kelly M. Kaiser, as attorney-in-fact for Eugene I. Lee, Jr.	05 Jan 2026	0001242843

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PTLO	Class A common stock	Award	$0	+49,019	+416%	$0.000000	60,798	02 Jan 2026	Direct	F1
holding	PTLO	Class A common stock						130,250	02 Jan 2026	By 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 ("RSUs") granted on January 2, 2026, which will vest in full on December 31, 2026, subject to the Reporting Person's continued service with the Issuer through such vesting date and the terms of the applicable award agreement. Upon vesting of the RSUs, the settlement has been deferred by the Reporting Person, pursuant to the Reporting Person's election made on December 23, 2025 and maintained by the Issuer.

Content

Represents restricted stock units ("RSUs") granted on January 2, 2026, which will vest in full on December 31, 2026, subject to the Reporting Person's continued service with the Issuer through such vesting date and the terms of the applicable award agreement. Upon vesting of the RSUs, the settlement has been deferred by the Reporting Person, pursuant to the Reporting Person's election made on December 23, 2025 and maintained by the Issuer.