Portillo's CMO granted 40,760 RSUs in stock award

Lauer Denise Peggy reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Lauer Denise Peggy reported acquisition or exercise transactions in this Form 4 filing.

Portillo's Inc. reported that Chief Marketing Officer Denise Peggy Lauer received a grant of 40,760 shares of Class A common stock in the form of restricted stock units. These RSUs were granted on April 15, 2026, at no cash cost to her.

According to the grant terms, one-third of the RSUs vest on each of the first three anniversaries of the grant date, so long as she continues her service with the company and meets the award agreement conditions. Following this award, she directly holds 107,785 shares of Portillo’s Class A common stock.

Insider Trade Summary

Grant/Award: 40,760 shares

Grant/Award 1 txn

Insider Lauer Denise Peggy

Role Chief Marketing Officer

Type	Security	Shares	Price	Value
Grant/Award	Class A common stock	40,760	$0.00	$0.00

Holdings After Transaction: Class A common stock — 107,785 shares (Direct)

Footnotes (1)

1. F1. 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.

Key Figures

RSU grant size: 40,760 shares Vesting schedule: 1/3 each year over 3 years Post-grant holdings: 107,785 shares +2 more

5 metrics

RSU grant size 40,760 shares Restricted stock units granted on April 15, 2026

Vesting schedule 1/3 each year over 3 years Time-based vesting on each of first three anniversaries

Post-grant holdings 107,785 shares Total Class A common stock directly owned after transaction

Transaction price per share $0.0000 per share Equity award granted at no cash purchase price

Transaction direction 1 acquisition, 0 sales Form 4 transaction summary for this filing

Key Terms

restricted stock units, time-based vesting, grant, award, or other acquisition, Class A common stock, +1 more

5 terms

restricted stock units financial

"Represents restricted stock units subject to time-based vesting granted on April 15, 2026"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

time-based vesting financial

"restricted stock units subject to time-based vesting granted on April 15, 2026"

Time-based vesting is a schedule that gives employees or contractors ownership of granted stock or options gradually as they remain with a company, like unlocking rewards in a loyalty program the longer you stick around. For investors, it matters because it affects future share supply, management incentives and staff retention — all of which can influence company performance and dilution of existing shareholders.

grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

Class A common stock financial

"security_title: Class A common stock"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/16/2026 - 04:33 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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 APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Lauer Denise Peggy

(Last) (First) (Middle)

C/O PORTILLO'S INC.

2001 SPRING RD, SUITE 400

(Street)

OAK BROOK ILLINOIS 60523

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Portillo's Inc. [ PTLO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Marketing Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/15/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A common stock	04/15/2026		A		40,760(1)	A	$0	107,785	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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.

Remarks:

	By: /s/ Kelly M. Kaiser, as attorney-in-fact for Denise P. Lauer	04/16/2026
	** 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 4 (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.
* Form 4: SEC 1474 (03-26)