---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-028280"
form_type: "8-K"
ticker: "PAGP"
cik: "0001581990"
company_name: "PLAINS GP HOLDINGS LP"
filed_at: "2025-03-26T23:59:59+00:00"
generated_at: "2026-05-24T04:57:18.784216+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# President Harry Pefanis to retire June 1, 2025; CEO Willie Chiang to assume additional role of President

## Summary
- Harry Pefanis, co-founder, will retire as President of Plains GP Holdings and Plains All American Pipeline effective June 1, 2025.
- Willie Chiang, Chairman and CEO, will become President upon Pefanis's retirement, continuing his CEO role.
- Pefanis will remain on the Board of Directors and serve as Senior Advisor.
- Board changes: John Raymond succeeds Bobby Shackouls as Lead Director and Governance Committee Chair; Shackouls becomes Compensation Committee Chair.
- Changes are part of Plains' long-term succession plan; Pefanis has over 40 years with the organization.

## SEC filing metadata
- accession: 0001104659-25-028280
- form_type: 8-K
- ticker: PAGP
- cik: 0001581990
- company_name: PLAINS GP HOLDINGS LP
- filed_at: 2025-03-26T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1581990/000110465925028280/0001104659-25-028280-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1581990/000110465925028280/tm2510414d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-028280
- JSON: https://secwatch.observer/filing/0001104659-25-028280.json
- Plain text: https://secwatch.observer/filing/0001104659-25-028280.txt

## Key facts
- Executive change
  Harry Pefanis departed as President at PLAINS GP HOLDINGS LP.
  - Action: retire
  - Role: President
  source text: Harry Pefanis will retire as President of Plains All American Pipeline, L.P. and Plains GP Holdings, L.P. effective June 1, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1581990/000110465925028280/0001104659-25-028280-index.htm
- Executive change
  Willie Chiang changed role as President at PLAINS GP HOLDINGS LP.
  - Action: assume additional role of President
  - Role: President
  source text: Willie Chiang, Chairman of the Board and CEO, will assume the additional role of President effective upon the retirement of Mr. Pefanis.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1581990/000110465925028280/0001104659-25-028280-index.htm

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