PLAINS ALL AMERICAN PIPELINE LP 8-K

What Happened Plains All American Pipeline, L.P. (PAA) and Plains GP Holdings, L.P. (PAGP) announced on June 1, 2026 (8-K filed June 2, 2026) that Senior Vice President, Finance and Chief Accounting Officer Chris Herbold will retire effective August 31, 2026. Russ Montgomery, currently Vice President, Controller of PAA, will be promoted to Vice President, Accounting and Chief Accounting Officer of Plains All American GP LLC (general partner of PAA) and PAA GP Holdings LLC (general partner of PAGP), effective September 1, 2026.

Key Details

• Announcement date: June 1, 2026; Form 8-K filed June 2, 2026.
• Retirement effective: Chris Herbold will retire on August 31, 2026.
• Promotion effective: Russ Montgomery’s new role begins September 1, 2026.
• Montgomery background: age 50; PAA controller roles since 2002 (VP Controller since 2019; Controller 2010–2019); prior experience at Arthur Andersen LLP.

Why It Matters This is a planned, internal leadership transition in PAA’s accounting function, providing continuity in financial reporting by promoting an experienced long‑time employee. Investors should note the effective dates allow a transition period through the end of August 2026. The filing does not disclose compensation changes or other departures, and no other material financial details were reported in this 8-K.