Michelle Greig Hook - 28 Feb 2026 Form 4 Insider Report for Portillo's Inc. (PTLO)

Role
CFO & Treasurer
Signature
By: /s/ Kelly M. Kaiser, as attorney-in-fact for Michelle Hook
Issuer symbol
PTLO
Transactions as of
28 Feb 2026
Net transactions value
+$6,979
Form type
4
Filing time
03 Mar 2026, 19:28:16 UTC
Previous filing
03 Nov 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Hook Michelle Greig CFO & Treasurer C/O PORTILLO'S INC., 2001 SPRING ROAD, SUITE 400, OAK BROOK By: /s/ Kelly M. Kaiser, as attorney-in-fact for Michelle Hook 03 Mar 2026 0001886796

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PTLO Class A common stock Award $7,220 +1,501 +0.69% $4.81 218,730 28 Feb 2026 Direct F1
transaction PTLO Class A common stock Tax liability $240 -50 -0.02% $4.81 218,680 28 Feb 2026 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 December 1, 2025 to February 28, 2026. 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 February 27, 2026.
F2 Represents shares deducted to satisfy tax withholding obligations on the vesting of the award reported herein.