Washington, D.C. 20549


Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB Number: 3235-0104
Estimated average burden
hours per response: 0.5
1. Name and Address of Reporting Person*
Glass Noah H.

(Last) (First) (Middle)


(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
3. Issuer Name and Ticker or Trading Symbol
Portillo's Inc. [ PTLO ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class A common stock 6,000(1) D
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
LLC Units of PHD Group Holdings LLC (2) (2) Class A common stock 23,309 (2) I By trust
Stock Option (right to buy) (3) 04/25/2027 Class A common stock 59,644 5.03 D
Explanation of Responses:
1. Represents restricted stock units subject to time-based vesting granted on October 21, 2021, 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.
2. Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC, dated as of October 20, 2021, LLC Units (as defined therein) held by 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. The LLC Units have no expiration date. At the time of any such exchange, an equal number of shares of Class B common stock of the Issuer held by the Reporting Person, which have no economic value and entitle holders thereof to one vote per share on all matters on which stockholders of the Issuer are entitled to vote generally, are cancelled.
3. Represents options previously granted on 4/25/2017 pursuant to the Issuer's 2014 Equity Incentive Plan, as amended, which were substituted for options to purchase shares of Class A common stock under the Issuer's 2021 Equity Incentive Plan. The options vest in equal annual installments on each of the first five anniversaries of the grant date.
Exhibit 24 - Power of Attorney (incorporated herein by reference).
By: /s/ Susan Shelton, as attorney-in-fact for Noah H. Glass 10/21/2021
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
                               POWER OF ATTORNEY

      Know all by these presents, that the undersigned hereby constitutes each
of Michelle Hook and Susan Shelton, with full power of substitution, the
undersigned's true and lawful attorneys-in-fact to:

   1. prepare, execute in the undersigned's name and on the undersigned's
      behalf, and submit to the U.S. Securities and Exchange Commission (the
      "SEC") a Form ID, including amendments thereto, and any other documents
      necessary or appropriate to obtain codes and passwords enabling the
      undersigned to make electronic filings with the SEC of reports required by
      Section 16(a) of the Securities Exchange Act of 1934 or any rule or
      regulation of the SEC;

   2. execute for and on behalf of the undersigned with respect to Portillo's
      Inc. (the "Company"), Schedules 13D and 13G and Forms 3, 4, and 5 in
      accordance with Sections 13 and 16(a) of the Securities Exchange Act of
      1934 and the rules thereunder;

   3. do and perform any and all acts for and on behalf of the undersigned which
      may be necessary or desirable to complete and execute any such Schedules
      13D or 13G or Form 3, 4, or 5, complete and execute any amendment or
      amendments thereto, and timely file such form with the SEC and any stock
      exchange or similar authority; and

   4. take any other action of any type whatsoever in connection with the
      foregoing which, in the opinion of such attorney-in-fact, may be of
      benefit to, in the best interest of, or legally required by, the
      undersigned, it being understood that the documents executed by such
      attorney-in-fact on behalf of the undersigned pursuant to this Power of
      Attorney shall be in such form and shall contain such terms and conditions
      as such attorney-in-fact may approve in such attorney-in-fact's

      The undersigned hereby grants to each attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary, or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or such
attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this power of attorney and the rights and powers herein
granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in
serving in such capacity at the request of the undersigned, are not assuming,
nor is the Company assuming any of the undersigned's responsibilities to comply
with Sections 13 and 16 of the Securities Exchange Act of 1934.

      This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4, and 5 with respect to the
undersigned's holdings of and transactions in securities issued by the Company,
unless earlier revoked by the undersigned in a signed writing delivered to the
foregoing attorneys-in-fact.

      IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of this 24th day of September, 2021.

                                  Very truly yours,

                                               /s/ Noah Glass
                                              Name: Noah Glass