Kelly M. Kaiser - Aug 31, 2025 Form 4 Insider Report for Portillo's Inc. (PTLO)

Role
General Counsel and Secretary
Signature
By: /s/ Michelle Hook, as attorney-in-fact for Kelly M. Kaiser
Stock symbol
PTLO
Transactions as of
Aug 31, 2025
Transactions value $
$5,115
Form type
4
Date filed
9/3/2025, 05:58 PM
Previous filing
Aug 8, 2025
Next filing
Sep 5, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Kaiser Kelly M General Counsel and Secretary C/O PORTILLO'S INC., 2001 SPRING ROAD, SUITE 400, OAK BROOK By: /s/ Michelle Hook, as attorney-in-fact for Kelly M. Kaiser 2025-09-03 0001992312

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PTLO Class A common stock Award $5.27K +827 +1.21% $6.37 69.3K Aug 31, 2025 Direct F1
transaction PTLO Class A common stock Tax liability -$153 -24 -0.03% $6.37 69.3K Aug 31, 2025 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes shares of Class A Common Stock purchased pursuant to the Portillo's Inc. 2022 Employee Stock Purchase Plan ("ESPP"), for the purchase period of June 1, 2025 to August 31, 2025. In accordance with the ESPP, these shares were purchased at a price equal to 90% of the closing price of Issuer's Class A Common Stock on August 29, 2025.
F2 Represents shares deducted to satisfy tax withholding obligations on the vesting of the award reported herein.