Waite Jill Francine

SEC source: 0001886715-26-000008 · wk-form4_1780432882.xml · nonDerivative · entry 2

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 133,291

F2 · shares: Represents shares deducted to satisfy tax withholding obligations on the vesting of the award reported herein.

SEC source: 0001886715-26-000008 · wk-form4_1780432882.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 133,324

F1 · shares: 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 March 1, 2026 to May 31, 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 May 29, 2026.

SEC source: 0001886715-26-000006 · wk-form4_1777927278.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 132,178

F1 · shares: Represents shares deducted to satisfy tax withholding obligations on the vesting of a previously disclosed award.

SEC source: 0001886715-26-000004 · wk-form4_1776371611.xml · nonDerivative · entry 2

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 134,018

F2 · shares: Represents shares deducted to satisfy tax withholding obligations on the vesting of previously disclosed awards.

SEC source: 0001886715-26-000004 · wk-form4_1776371611.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 135,836

F1 · shares: Represents restricted stock units subject to time-based vesting granted on April 15, 2026, one-third of which vest on each of the first three anniversaries of the grant date, subject to the Reporting Person's continued service with the Issuer and the terms of the applicable award agreement.

SEC source: 0001886715-26-000002 · wk-form4_1772584088.xml · nonDerivative · entry 2

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,076

F2 · shares: Represents shares deducted to satisfy tax withholding obligations on the vesting of the award reported herein.

SEC source: 0001886715-26-000002 · wk-form4_1772584088.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,089

F1 · shares: 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.

SEC source: 0001886715-25-000010 · wk-form4_1764711015.xml · nonDerivative · entry 2

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,685

F2 · shares: Represents shares deducted to satisfy tax withholding obligations on the vesting of the award reported herein.

SEC source: 0001886715-25-000010 · wk-form4_1764711015.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,699

F1 · shares: 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 September 1, 2025 to November 30, 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 November 28, 2025.

SEC source: 0001886715-25-000008 · wk-form4_1762206579.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,218

F1 · shares: Represents restricted stock units granted on October 31, 2025, which will vest in full on October 31, 2026, subject to the terms of the applicable award agreement.

SEC source: 0001886715-25-000006 · wk-form4_1756936704.xml · nonDerivative · entry 2

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,936

F2 · shares: Represents shares deducted to satisfy tax withholding obligations on the vesting of the award reported herein.

SEC source: 0001886715-25-000006 · wk-form4_1756936704.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,944

F1 · shares: 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.

SEC source: 0001871509-25-000103 · wk-form4_1748984090.xml · nonDerivative · entry 2

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,639

F2 · shares: Represents shares deducted to satisfy tax withholding obligations on the vesting of the award reported herein.

SEC source: 0001871509-25-000103 · wk-form4_1748984090.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,654

F1 · shares: 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 March 1, 2025 to May 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 May 30, 2025.

SEC source: 0001871509-25-000081 · wk-form4_1746479676.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,115

F1 · shares: Represents shares deducted to satisfy tax withholding obligations on the vesting of a previously disclosed award.

SEC source: 0001871509-25-000055 · wk-form4_1744921905.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,955

F1 · shares: Represents restricted stock units subject to time-based vesting granted on April 15, 2025, one-third of which vest on each of the first three anniversaries of the grant date, subject to the Reporting Person's continued service with the Issuer and the terms of the applicable award agreement.

SEC source: 0001871509-25-000022 · wk-form4_1741126127.xml · nonDerivative · entry 2

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,329

F2 · shares: Represents shares deducted to satisfy tax withholding obligations on the vesting of the award reported herein.

SEC source: 0001871509-25-000022 · wk-form4_1741126127.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,334

F1 · shares: 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, 2024 to February 28, 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 February 28, 2025.

SEC source: 0001871509-24-000147 · wk-form4_1733261300.xml · nonDerivative · entry 2

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,180

F2 · shares: Represents shares deducted to satisfy tax withholding obligations on the vesting of the award reported herein.

SEC source: 0001871509-24-000147 · wk-form4_1733261300.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,186

F1 · shares: 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 September 1, 2024 to November 30, 2024. 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 November 29, 2024.

SEC source: 0001871509-24-000126 · wk-form4_1729716461.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,968

F1 · shares: Represents shares deducted to satisfy tax withholding obligations on the vesting of a previously disclosed award.

SEC source: 0001871509-24-000114 · wk-form4_1725482022.xml · nonDerivative · entry 2

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,201

F2 · shares: Represents shares deducted to satisfy tax withholding obligations on the vesting of the award reported herein.

SEC source: 0001871509-24-000114 · wk-form4_1725482022.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,206

F1 · shares: 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, 2024 to August 31, 2024. 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 30, 2024.

SEC source: 0001871509-24-000088 · wk-form4_1717532807.xml · nonDerivative · entry 2

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,031

F2 · shares: Represents shares deducted to satisfy tax withholding obligations on the vesting of the award reported herein.

SEC source: 0001871509-24-000088 · wk-form4_1717532807.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,055

F1 · shares: 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 March 1, 2024 to May 31, 2024. 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 May 31, 2024.

SEC source: 0001871509-24-000068 · wk-form4_1715028806.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,230

F1 · shares: Represents restricted stock units subject to time-based vesting granted on May 2, 2024, one-third of which vest on each of the first three anniversaries of the grant date, subject to the Reporting Person's continued service with the Issuer and the terms of the applicable award agreement.

SEC source: 0001871509-24-000019 · wk-form4_1709594758.xml · nonDerivative · entry 2

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,386

F2 · shares: Represents shares deducted to satisfy tax withholding obligations on the vesting of the award reported herein.

SEC source: 0001871509-24-000019 · wk-form4_1709594758.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,391

F1 · shares: 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, 2023 to February 29, 2024. 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 29, 2024.

SEC source: 0001871509-23-000149 · wk-form4_1701726320.xml · nonDerivative · entry 2

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,249

F2 · shares: Represents shares deducted to satisfy tax withholding obligations on the vesting of the award reported herein.

SEC source: 0001871509-23-000149 · wk-form4_1701726320.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,253

F1 · shares: 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 September 1, 2023 to November 30, 2023. 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 November 30, 2023.

SEC source: 0001871509-23-000126 · wk-form4_1698182168.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,097

F1 · shares: Represents shares deducted to satisfy tax withholding obligations on the vesting of a previously disclosed award.

SEC source: 0001871509-23-000107 · wk-form4_1693947721.xml · nonDerivative · entry 2

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,330

F2 · shares: Represents shares deducted to satisfy tax withholding obligations on the vesting of the award reported herein.

SEC source: 0001871509-23-000107 · wk-form4_1693947721.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,334

F1 · shares: 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, 2023 to August 31, 2023. 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 31, 2023.

SEC source: 0001871509-23-000073 · wk-form4_1685738445.xml · nonDerivative · entry 2

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,221

F2 · balance_after: Represents shares deducted to satisfy tax withholding obligations in connection with the transaction reported herein.

SEC source: 0001871509-23-000073 · wk-form4_1685738445.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,225

F1 · balance_after: 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 March 1, 2023 to May 31, 2023. 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 May 31, 2023.

SEC source: 0001871509-23-000031 · wf-form4_167779637482917.xml · nonDerivative · entry 2

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,105

F2 · shares: Represents shares deducted to satisfy tax withholding obligations in connection with the transaction reported herein.

SEC source: 0001871509-23-000031 · wf-form4_167779637482917.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,109

F1 · shares: 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, 2022 to February 28, 2023. 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 28, 2023.

SEC source: 0001871509-22-000099 · wf-form4_167226378280723.xml · nonDerivative · entry 2

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,020

F2 · shares: Represents shares deducted to satisfy tax withholding obligations on the vesting of the award reported herein.

SEC source: 0001871509-22-000099 · wf-form4_167226378280723.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,547

F1 · shares: Represents the grant of 5,706 shares of restricted stock, with 1,589 shares subject to a one-year holding requirement and 1,590 shares subject to a two-year holding requirement, in each case, in accordance with the terms of the applicable award agreement.

SEC source: 0001871509-22-000083 · wf-form4_167001793871004.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,841

F1 · price: 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 October 1, 2022 to November 30, 2022. 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 November 30, 2022.

SEC source: 0001871509-22-000059 · wf-form4_166673133383246.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,761

F1 · shares: Represents shares deducted to satisfy tax withholding obligations on the vesting of a previously disclosed award.

SEC source: 0001209191-22-032889 · doc4.xml · derivative · entry 3

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 178,456

Underlying: Class A Common Stock · 44,614 shares

Expires 2029-08-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents the exercise of vested and exercisable options previously granted on 8/7/2019 pursuant to the Issuer's 2014 Equity Incentive Plan, which were substituted for options to purchase shares of Class A common stock under the Issuer's 2021 Equity Incentive Plan in connection with the Issuer's initial public offering.

F1 · derivative.exercise_date: Represents the exercise of vested and exercisable options previously granted on 8/7/2019 pursuant to the Issuer's 2014 Equity Incentive Plan, which were substituted for options to purchase shares of Class A common stock under the Issuer's 2021 Equity Incentive Plan in connection with the Issuer's initial public offering.

SEC source: 0001209191-22-032889 · doc4.xml · nonDerivative · entry 2

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,900

F2 · price: Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $19.00 to $19.32, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the aforementioned range.

SEC source: 0001209191-22-032889 · doc4.xml · nonDerivative · entry 1

Waite Jill Francine · CIK 0001886715 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,514

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents the exercise of vested and exercisable options previously granted on 8/7/2019 pursuant to the Issuer's 2014 Equity Incentive Plan, which were substituted for options to purchase shares of Class A common stock under the Issuer's 2021 Equity Incentive Plan in connection with the Issuer's initial public offering.