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AI brief of an SEC Form 8-K · PLAINS GP HOLDINGS LP (PAGP)

Plains names Dean Liollio EVP and COO effective Oct. 2, replacing Chris Chandler

Neutral Impact 3 of 5 leadership Written later

Plains announced that Dean Liollio will become Executive Vice President and Chief Operating Officer of the general partners of PAA and PAGP effective October 2, 2026, succeeding Chris Chandler, who is resigning to pursue other interests. The filing says Chandler's departure is not due to any disagreement over company operations, policies or practices. The filing discloses Liollio's pay package, including a $625,000 base salary and a promotional phantom unit grant.

Key points

  • Dean Liollio, age 67, was Senior Vice President, Special Projects, from June 2024 before his appointment as EVP and COO effective October 2, 2026.
  • Liollio's annual base salary is $625,000, with a bonus target of 150% of base salary.
  • Liollio will receive a time-based promotional LTIP grant for 150,000 phantom units vesting in August 2029.
  • Chris Chandler gave notice on September 25, 2026 that he will resign effective October 2, 2026.

The filing

CompanyPLAINS GP HOLDINGS LP (PAGP)
Form8-K, current report
Filed with the SECSep 29, 2026, 4:31 PM ET
Accession number0001104659-26-111956

Items reported: 5.02 Director / Officer Change7.01 Regulation FD Disclosure

Read the filing on SEC.gov ↗

Written by AI on Nov 9, 2026, 8:38 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on September 29, 2026.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.