PTLO

SEC source: 0000950170-25-076001 · ownership.xml · nonDerivative · entry 3

Berkshire Partners LLC · CIK 0001312988 · Director · 10% owner

Berkshire Fund VIII-A, L.P. · CIK 0001514454 · Director · 10% owner

Berkshire Fund VIII, L.P. · CIK 0001514470 · Director · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · Director · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · Director · 10% owner

Eighth Berkshire Associates LLC · CIK 0001888111 · Director · 10% owner

Berkshire Partners Holdings LLC · CIK 0001597786 · Director · 10% owner

BPSP, L.P. · CIK 0001597787 · Director · 10% owner

Lutzker Joshua Adam · CIK 0001886815 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Berkshire Investors III LLC

Disclosed balance after: 179,210

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.

F5 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC ("PHD Group Holdings"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments as set forth therein. The LLC Units have no expiration date.

F6 · ownership.nature: Joshua Lutzker is a Managing Director of BP and has a pecuniary interest in certain of the securities held by the other Reporting Persons by virtue of his position at BP and certain affiliated funds and entities. Each of the Reporting Persons, including Mr. Lutzker, disclaims beneficial ownership of any securities reported in this Form 4 except to the extent of their respective pecuniary interests therein. The inclusion of any securities in this Form 4 shall not be deemed an admission of beneficial ownership of the reported securities for purposes of the Act or for any other purpose. Certain of the Reporting Persons may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) under the Act.

SEC source: 0000950170-25-076001 · ownership.xml · nonDerivative · entry 2

Berkshire Partners LLC · CIK 0001312988 · Director · 10% owner

Berkshire Fund VIII-A, L.P. · CIK 0001514454 · Director · 10% owner

Berkshire Fund VIII, L.P. · CIK 0001514470 · Director · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · Director · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · Director · 10% owner

Eighth Berkshire Associates LLC · CIK 0001888111 · Director · 10% owner

Berkshire Partners Holdings LLC · CIK 0001597786 · Director · 10% owner

BPSP, L.P. · CIK 0001597787 · Director · 10% owner

Lutzker Joshua Adam · CIK 0001886815 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Berkshire Fund VIII, L.P.

Disclosed balance after: 0

F1 · shares: On May 19, 2025, the following funds or entities affiliated with Berkshire Partners LLC ("BP") sold shares of Class A common stock of the Issuer in a block trade pursuant to Rule 144 as follows: 6,521,015 by Berkshire Fund VIII, L.P. ("VIII"); 179,210 by Berkshire Investors III LLC ("BI III"); 590,240 by Berkshire Investors IV LLC ("BI IV"); and 2,709,535 by Berkshire Fund VIII-A, L.P. ("VIII-A").

F2 · ownership.nature: Securities held by VIII may be deemed to be beneficially owned by Berkshire Partners Holdings LLC ("BPH"); BPSP, L.P. ("BPSP"); Eighth Berkshire Associates LLC ("8BA"), its general partner; and BP, its investment adviser.

F6 · ownership.nature: Joshua Lutzker is a Managing Director of BP and has a pecuniary interest in certain of the securities held by the other Reporting Persons by virtue of his position at BP and certain affiliated funds and entities. Each of the Reporting Persons, including Mr. Lutzker, disclaims beneficial ownership of any securities reported in this Form 4 except to the extent of their respective pecuniary interests therein. The inclusion of any securities in this Form 4 shall not be deemed an admission of beneficial ownership of the reported securities for purposes of the Act or for any other purpose. Certain of the Reporting Persons may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) under the Act.

SEC source: 0000950170-25-076001 · ownership.xml · nonDerivative · entry 1

Berkshire Partners LLC · CIK 0001312988 · Director · 10% owner

Berkshire Fund VIII-A, L.P. · CIK 0001514454 · Director · 10% owner

Berkshire Fund VIII, L.P. · CIK 0001514470 · Director · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · Director · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · Director · 10% owner

Eighth Berkshire Associates LLC · CIK 0001888111 · Director · 10% owner

Berkshire Partners Holdings LLC · CIK 0001597786 · Director · 10% owner

BPSP, L.P. · CIK 0001597787 · Director · 10% owner

Lutzker Joshua Adam · CIK 0001886815 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Berkshire Fund VIII, L.P.

Disclosed balance after: 6,521,015

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.

F5 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC ("PHD Group Holdings"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments as set forth therein. The LLC Units have no expiration date.

F2 · ownership.nature: Securities held by VIII may be deemed to be beneficially owned by Berkshire Partners Holdings LLC ("BPH"); BPSP, L.P. ("BPSP"); Eighth Berkshire Associates LLC ("8BA"), its general partner; and BP, its investment adviser.

F6 · ownership.nature: Joshua Lutzker is a Managing Director of BP and has a pecuniary interest in certain of the securities held by the other Reporting Persons by virtue of his position at BP and certain affiliated funds and entities. Each of the Reporting Persons, including Mr. Lutzker, disclaims beneficial ownership of any securities reported in this Form 4 except to the extent of their respective pecuniary interests therein. The inclusion of any securities in this Form 4 shall not be deemed an admission of beneficial ownership of the reported securities for purposes of the Act or for any other purpose. Certain of the Reporting Persons may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) under the Act.

SEC source: 0001871509-25-000082 · wk-form4_1746479687.xml · nonDerivative · entry 1

Correia Keith M · CIK 0002020559 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,314

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

SEC source: 0001871509-25-000083 · wk-form4_1746479699.xml · nonDerivative · entry 1

Kaiser Kelly M · CIK 0001992312 · General Counsel and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,076

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

SEC source: 0001871509-25-000084 · wk-form4_1746479710.xml · nonDerivative · entry 1

Hook Michelle Greig · CIK 0001886796 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 131,783

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

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: 0001871509-25-000085 · wk-form4_1746479720.xml · nonDerivative · entry 1

Ellis Michael K · CIK 0001427740 · Chief Development Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,087

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

SEC source: 0001871509-25-000064 · wk-form4_1745445342.xml · nonDerivative · entry 1

Correia Keith M · CIK 0002020559 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,540

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

SEC source: 0001871509-25-000059 · wk-form4_1744921954.xml · nonDerivative · entry 1

Correia Keith M · CIK 0002020559 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,141

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: 0001871509-25-000050 · wk-form4_1744921852.xml · nonDerivative · entry 1

Kaiser Kelly M · CIK 0001992312 · General Counsel and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,916

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: 0001871509-25-000048 · wk-form4_1744921830.xml · nonDerivative · entry 1

Hook Michelle Greig · CIK 0001886796 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 137,868

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: 0001871509-25-000055 · 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: 0000950170-25-055588 · ownership.xml · nonDerivative · entry 1

Lutzker Joshua Adam · CIK 0001886815 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See note

Disclosed balance after: 54,537

F1 · shares: Represents restricted stock units ("RSUs") granted to the Reporting Person on April 15, 2025, for his service on the Issuer's board of directors, which will vest in full on December 31, 2025, subject to the Reporting Person's continued service with the Issuer through such vesting date and the terms of the applicable award agreement.

F2 · ownership.nature: Any securities issued to the Reporting Person for service as a director of the Issuer is held by the Reporting Person for the benefit of funds or entities affiliated with Berkshire Partners LLC ("BP" and such affiliated funds or entities, the "BP Entities"). The Reporting Person disclaims beneficial ownership of such securities, except to the extent of the Reporting Person's pecuniary interest therein, and the inclusion of any securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

F5 · ownership.nature: The Reporting Person disclaims beneficial ownership of such securities beneficially owned by any of the BP Entities, except to the extent of the Reporting Person's pecuniary interest therein, and the inclusion of any securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001871509-25-000060 · wk-form4_1744921966.xml · nonDerivative · entry 1

DARDEN TONY J · CIK 0001865702 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,096

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: 0001871509-25-000053 · wk-form4_1744921884.xml · derivative · entry 1

Osanloo Michael · CIK 0001432086 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 307,692

Underlying: Class A common stock · 307,692 shares

Expires 2035-04-15

F1 · derivative.exercise_date: Stock options granted pursuant to the Issuer's 2021 Equity Incentive Plan vest on the fourth anniversary 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: 0001871509-25-000051 · wk-form4_1744921864.xml · nonDerivative · entry 1

Ellis Michael K · CIK 0001427740 · Chief Development Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,616

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: 0000950170-25-055563 · ownership.xml · nonDerivative · entry 1

Berkshire Partners LLC · CIK 0001312988 · Director · 10% owner

Berkshire Fund VIII-A, L.P. · CIK 0001514454 · Director · 10% owner

Berkshire Fund VIII, L.P. · CIK 0001514470 · Director · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · Director · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · Director · 10% owner

Eighth Berkshire Associates LLC · CIK 0001888111 · Director · 10% owner

Berkshire Partners Holdings LLC · CIK 0001597786 · Director · 10% owner

BPSP, L.P. · CIK 0001597787 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See note

Disclosed balance after: 64,050

F1 · shares: Represents restricted stock units ("RSUs") granted to Joshua Lutzker on April 15, 2025, for his service on the Issuer's board of directors, which will vest in full on December 31, 2025, subject to Mr. Lutzker's continued service with the Issuer through such vesting date and the terms of the applicable award agreement.

F2 · ownership.nature: Any securities issued to Mr. Lutzker or other individuals for service as a director of the Issuer is held for the benefit of funds or entities affiliated with Berkshire Partners LLC ("BP" and such affiliated funds or entities, the "BP Entities"). The Reporting Persons disclaim beneficial ownership of such securities, except to the extent of their pecuniary interest therein, and the inclusion of any securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Act"), or for any other purpose.

SEC source: 0001871509-25-000049 · wk-form4_1744921842.xml · nonDerivative · entry 1

Miles Michael · CIK 0001263765 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,408

F1 · shares: Represents restricted stock units granted on April 15, 2025, which will vest in full on December 31, 2025, subject to the Reporting Person's continued service with the Issuer through such vesting date and the terms of the applicable award agreement.

SEC source: 0001871509-25-000056 · wk-form4_1744921916.xml · nonDerivative · entry 1

Hart Gerard Johan · CIK 0001305052 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,752

F1 · shares: Represents restricted stock units granted on April 15, 2025, which will vest in full on December 31, 2025, subject to the Reporting Person's continued service with the Issuer through such vesting date and the terms of the applicable award agreement.

SEC source: 0001871509-25-000058 · wk-form4_1744921943.xml · nonDerivative · entry 1

Hartung Jack · CIK 0001350874 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,056

F1 · shares: Represents restricted stock units granted on April 15, 2025, which will vest in full on December 31, 2025, subject to the Reporting Person's continued service with the Issuer through such vesting date and the terms of the applicable award agreement.

SEC source: 0001871509-25-000054 · wk-form4_1744921894.xml · nonDerivative · entry 1

Dodson Paulette R. · CIK 0001517319 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,663

F1 · shares: Represents restricted stock units granted on April 15, 2025, which will vest in full on December 31, 2025, subject to the Reporting Person's continued service with the Issuer through such vesting date and the terms of the applicable award agreement.

SEC source: 0001871509-25-000057 · wk-form4_1744921930.xml · nonDerivative · entry 1

Bordelon Ann G. · CIK 0001761825 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,284

F1 · shares: Represents restricted stock units granted on April 15, 2025, which will vest in full on December 31, 2025, subject to the Reporting Person's continued service with the Issuer through such vesting date and the terms of the applicable award agreement.

SEC source: 0001871509-25-000052 · wk-form4_1744921874.xml · nonDerivative · entry 1

Glass Noah H. · CIK 0001844608 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,729

F1 · shares: Represents restricted stock units granted on April 15, 2025, which will vest in full on December 31, 2025, subject to the Reporting Person's continued service with the Issuer through such vesting date and the terms of the applicable award agreement.

SEC source: 0001871509-25-000030 · wk-form4_1741984082.xml · nonDerivative · entry 1

Hartung Jack · CIK 0001350874 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,500

F1 · price: Represents the weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $12.46 to $13.13, 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 purchased at each separate price within the aforementioned range.

SEC source: 0001871509-25-000024 · wk-form4_1741126151.xml · nonDerivative · entry 2

Kaiser Kelly M · CIK 0001992312 · General Counsel and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,290

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

SEC source: 0001871509-25-000024 · wk-form4_1741126151.xml · nonDerivative · entry 1

Kaiser Kelly M · CIK 0001992312 · General Counsel and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,304

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: 0001871509-25-000023 · wk-form4_1741126138.xml · nonDerivative · entry 2

Hook Michelle Greig · CIK 0001886796 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,477

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

SEC source: 0001871509-25-000023 · wk-form4_1741126138.xml · nonDerivative · entry 1

Hook Michelle Greig · CIK 0001886796 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,496

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: 0001871509-25-000022 · 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: 0001871509-25-000025 · wk-form4_1741126163.xml · nonDerivative · entry 2

Osanloo Michael · CIK 0001432086 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,625

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

SEC source: 0001871509-25-000025 · wk-form4_1741126163.xml · nonDerivative · entry 1

Osanloo Michael · CIK 0001432086 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,684

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: 0001871509-25-000026 · wk-form4_1741126174.xml · nonDerivative · entry 2

Ellis Michael K · CIK 0001427740 · Chief Development Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,990

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

SEC source: 0001871509-25-000026 · wk-form4_1741126174.xml · nonDerivative · entry 1

Ellis Michael K · CIK 0001427740 · Chief Development Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,993

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: 0001871509-24-000151 · wk-form4_1733868762.xml · nonDerivative · entry 1

Scarpino Nicholas Anthony · CIK 0001887459 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,220

F1 · shares: Represents shares deducted to satisfy tax withholding obligations upon the vesting of RSUs previously granted to the reporting person.

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: 0001871509-24-000148 · wk-form4_1733261311.xml · nonDerivative · entry 2

Ellis Michael K · CIK 0001427740 · Chief Development Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,869

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

SEC source: 0001871509-24-000148 · wk-form4_1733261311.xml · nonDerivative · entry 1

Ellis Michael K · CIK 0001427740 · Chief Development Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,873

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: 0001871509-24-000149 · wk-form4_1733261323.xml · nonDerivative · entry 2

Scarpino Nicholas Anthony · CIK 0001887459 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,958

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

SEC source: 0001871509-24-000149 · wk-form4_1733261323.xml · nonDerivative · entry 1

Scarpino Nicholas Anthony · CIK 0001887459 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,960

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: 0001871509-24-000128 · wk-form4_1729716521.xml · nonDerivative · entry 1

Hook Michelle Greig · CIK 0001886796 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,923

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

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: 0001871509-24-000130 · wk-form4_1729716585.xml · nonDerivative · entry 1

Osanloo Michael · CIK 0001432086 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,966

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

SEC source: 0001871509-24-000124 · wk-form4_1729716394.xml · nonDerivative · entry 1

Scarpino Nicholas Anthony · CIK 0001887459 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,870

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

SEC source: 0001871509-24-000120 · wk-form4_1726610032.xml · derivative · entry 3

Hart Gerard Johan · CIK 0001305052 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By LLC

Disclosed balance after: 0

Underlying: Class A common stock · 50,072 shares

Expires not disclosed

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.

F3 · derivative.exercise_price: Pursuant to the LLC Agreement, LLC Units held by the Reporting Person are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date.

F3 · price: Pursuant to the LLC Agreement, LLC Units held by the Reporting Person are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date.

F3 · derivative.exercise_date: Pursuant to the LLC Agreement, LLC Units held by the Reporting Person are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date.

F3 · derivative.expiration_date: Pursuant to the LLC Agreement, LLC Units held by the Reporting Person are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date.

F1 · derivative.underlying_shares: Represents shares of Class A common stock acquired in connection with the exchange by the Reporting Person of an equal number of LLC Units of PHD Group Holdings LLC in accordance with the terms of the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC, dated as of October 20, 2021 (the "LLC Agreement"). At the time of such exchange, an equal number of shares of Class B common stock of the Issuer held by the Reporting Person were cancelled, for no additional consideration, in accordance with the LLC Agreement.

SEC source: 0001871509-24-000120 · wk-form4_1726610032.xml · nonDerivative · entry 1

Hart Gerard Johan · CIK 0001305052 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 50,072

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 shares of Class A common stock acquired in connection with the exchange by the Reporting Person of an equal number of LLC Units of PHD Group Holdings LLC in accordance with the terms of the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC, dated as of October 20, 2021 (the "LLC Agreement"). At the time of such exchange, an equal number of shares of Class B common stock of the Issuer held by the Reporting Person were cancelled, for no additional consideration, in accordance with the LLC Agreement.

SEC source: 0001871509-24-000116 · wk-form4_1725659264.xml · nonDerivative · entry 1

Kaiser Kelly M · CIK 0001992312 · General Counsel and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,886

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.