---
schema_version: "secwatch.filing_event.v1"
accession: "0001871509-25-000136"
form_type: "8-K"
ticker: "PTLO"
cik: "0001871509"
company_name: "Portillo's Inc."
filed_at: "2025-09-22T23:59:59+00:00"
generated_at: "2026-05-17T06:00:32.605178+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Portillo's CEO Michael Osanloo departs; Chairman Miles named interim CEO effective Sept 21

## Summary
- Michael Osanloo out as President and CEO effective Sept 21, 2025; separation without cause entitles him to severance benefits.
- Board Chairman Michael A. Miles, Jr., age 63, appointed interim CEO; he previously served as interim CEO from 2014-2015.
- Board formed Search Committee (4 directors) and will hire executive search firm to identify permanent CEO.
- Eugene I. Lee (former Darden CEO) appointed Lead Independent Director; Osanloo will serve as Special Advisor for 90 days.
- Company says recent performance 'has not measured up to expectations' as reason for the leadership transition.

## SEC filing metadata
- accession: 0001871509-25-000136
- form_type: 8-K
- ticker: PTLO
- cik: 0001871509
- company_name: Portillo's Inc.
- filed_at: 2025-09-22T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1871509/000187150925000136/0001871509-25-000136-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1871509/000187150925000136/ptlo-20250921.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001871509-25-000136
- JSON: https://secwatch.observer/filing/0001871509-25-000136.json
- Plain text: https://secwatch.observer/filing/0001871509-25-000136.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.