Portillo's (PTLO) CEO Brett Patterson reports 69,084-share ownership stake

Rhea-AI Filing Summary

Portillo's Inc. director and President & CEO Brett Patterson filed an initial ownership report showing he holds 69,084 shares of Class A common stock directly. A related inducement grant of restricted stock units vests in two equal parts on February 23, 2027 and February 23, 2028, subject to his continued service and the award terms.

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Patterson Brett

(Last) (First) (Middle)

C/O PORTILLO'S INC.

2001 SPRING ROAD, SUITE 400

(Street)

OAK BROOK IL 60523

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
02/23/2026

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
X	Officer (give title below)		Other (specify below)
	President & CEO

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	69,084(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

Explanation of Responses:

1. Represents inducement grant of restricted stock units, one-half of which vest on February 23, 2027 and February 23, 2028, in each case, subject to the Reporting Person's continued service with the Issuer and the terms of the applicable award agreement.

Remarks:

Exhibit 24 - Power of Attorney (incorporated herein by reference).

	/s/ Kelly M. Kaiser, as attorney-in-fact for Brett Patterson	02/24/2026
	** 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 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.
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FAQ

What does Brett Patterson's Form 3 filing for PTLO show?

The filing shows Brett Patterson, Portillo's President & CEO, beneficially owns 69,084 shares of Class A common stock directly. It also references an inducement grant of restricted stock units that vest over time, subject to continued service and award conditions.

How many Portillo's (PTLO) shares does CEO Brett Patterson report owning?

Brett Patterson reports direct ownership of 69,084 shares of Portillo's Class A common stock. This figure reflects his holdings following the reported inducement grant of restricted stock units, as disclosed in the initial ownership statement filed with regulators.

What are the vesting terms of Brett Patterson's PTLO inducement RSU grant?

The inducement restricted stock units granted to Brett Patterson vest in two equal installments. One-half vest on February 23, 2027 and the other half on February 23, 2028, in each case conditioned on his continued service and the terms of the award agreement.

Is Brett Patterson's PTLO Form 3 a buy or sell transaction?

The Form 3 is an initial ownership report, not a buy or sell in the market. It discloses Brett Patterson’s existing direct holdings and an inducement grant of restricted stock units rather than open-market purchases or sales of Portillo's shares.

What role does Brett Patterson hold at Portillo's (PTLO)?

Brett Patterson serves as President & CEO and is also a director of Portillo's Inc. His Form 3 filing links these leadership roles to his reported beneficial ownership of 69,084 shares of the company’s Class A common stock.