Portillo's (PTLO) CDO withheld 3,040 shares at $5.35 for taxes

Portillo's Inc. (PTLO) filed a Form 4 reporting an insider share withholding for taxes.

Accepted by SEC EDGAR 11/03/2025 - 04:49 PM EST

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Form Type

Rhea-AI Filing Summary

Portillo's Inc. (PTLO) filed a Form 4 reporting an insider share withholding for taxes. On 10/31/2025, Chief Development Officer Michael K. Ellis had 3,040 shares of Class A common stock withheld at $5.35 under transaction code F, which reflects shares withheld to satisfy tax obligations upon vesting of previously disclosed awards. Following the transaction, he beneficially owns 45,529 shares directly.

This is an administrative tax-withholding event tied to equity award vesting rather than an open‑market sale.

Insider Trade Summary

Exercise Price or Tax Liability: 3,040 shares

Exercise Price or Tax Liability 1 txn

Insider Ellis Michael K

Role Chief Development Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Class A common stock	3,040	$5.35	$16K

Holdings After Transaction: Class A common stock — 45,529 shares (Direct)

Footnotes (1)

F1. Represents shares deducted to satisfy tax withholding obligations on the vesting of previously disclosed awards.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did PTLO report in this Form 4?

A tax-withholding event: 3,040 shares were withheld under code F tied to vesting of previously disclosed awards.

How many shares were involved and at what price?

3,040 shares of Class A common stock were withheld at $5.35 per share.

What is the insider’s role at Portillo's (PTLO)?

Michael K. Ellis is the Chief Development Officer.

How many shares does the insider own after the transaction?

He beneficially owns 45,529 shares directly after the transaction.

When did the transaction occur?

The transaction date was 10/31/2025.

What does transaction code F mean?

Code F indicates shares were withheld to satisfy tax withholding obligations on vesting of equity awards.

Was this an open-market sale?

No. It reflects shares withheld for taxes upon award vesting, not an open-market sale.

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

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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^*

Ellis Michael K

(Last)

(First)

(Middle)

C/O PORTILLO'S INC.

2001 SPRING ROAD, SUITE 400

(Street)

OAK BROOK

60523

(City)

(State)

(Zip)

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 Development Officer

3. Date of Earliest Transaction (Month/Day/Year)
10/31/2025

4. 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 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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A common stock	10/31/2025		F		3,040⁽¹⁾	D	$5.35	45,529	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

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

Remarks:

	/s/ Kelly M. Kaiser, as attorney-in-fact for Michael K. Ellis	11/03/2025
	** 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.

Source: View Original Filing on SEC EDGAR