---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-028276"
form_type: "8-K"
ticker: "PAA"
cik: "0001070423"
company_name: "PLAINS ALL AMERICAN PIPELINE LP"
filed_at: "2025-03-26T23:59:59+00:00"
generated_at: "2026-05-24T04:43:18.291501+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Plains president Harry Pefanis to retire June 1, 2025; CEO Willie Chiang adds president role

## Summary
- Harry Pefanis, co-founder and president, retires after 27+ years; will remain on board as senior advisor.
- Willie Chiang, chairman and CEO, assumes additional role of president effective June 1, 2025.
- Board committee changes: John Raymond succeeds Bobby Shackouls as lead director and governance chair; Shackouls moves to compensation chair.
- Changes are part of long-term succession plan.

## SEC filing metadata
- accession: 0001104659-25-028276
- form_type: 8-K
- ticker: PAA
- cik: 0001070423
- company_name: PLAINS ALL AMERICAN PIPELINE LP
- filed_at: 2025-03-26T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1070423/000110465925028276/0001104659-25-028276-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1070423/000110465925028276/tm2510413d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-028276
- JSON: https://secwatch.observer/filing/0001104659-25-028276.json
- Plain text: https://secwatch.observer/filing/0001104659-25-028276.txt

## Source-grounded claims
- claim_id: aea0334184
  claim: Willie Chiang changed role as President at PLAINS ALL AMERICAN PIPELINE LP.
  evidence_excerpt: 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/1070423/000110465925028276/0001104659-25-028276-index.htm
- claim_id: e69132783d
  claim: Harry Pefanis retired as President at PLAINS ALL AMERICAN PIPELINE LP.
  evidence_excerpt: 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/1070423/000110465925028276/0001104659-25-028276-index.htm

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