secwatch / observer
8-K filed June 2, 2026, 6:05 AM ET ticker PAGP CIK 0001581990
leadership confidence high sentiment neutral materiality 0.40

Plains GP Holdings announces CAO succession: Montgomery promoted, Herbold retiring

PLAINS GP HOLDINGS LP

Executive movements

Machine-extracted from this filing. Every card cites the SEC source. See all recent executive movements.

Appointed

Russ Montgomery

Vice President, Accounting and Chief Accounting Officer
PAGP · PLAINS GP HOLDINGS LP
Effective
2026-09-01
Filed
June 2, 2026, 6:05 AM ET
effective September 1, 2026, Russ Montgomery will be promoted to the position of Vice President, Accounting and Chief Accounting Officer of Plains All American GP LLC, the general partner of PAA, and PAA GP Holdings LLC, the general partner of PAGP.
Departed

Chris Herbold

Senior Vice President, Finance and Chief Accounting Officer
PAGP · PLAINS GP HOLDINGS LP
Effective
2026-08-31
Successor
Russ Montgomery
Filed
June 2, 2026, 6:05 AM ET
Chris Herbold, who previously served as Senior Vice President, Finance and Chief Accounting Officer of PAA and PAGP, is retiring from the company on August 31, 2026.

Key facts

Extracted from this filing and checked against the source text.

Executive change SEC 8-K Item 5.02 confidence 0.95

Russ Montgomery was appointed as Vice President, Accounting and Chief Accounting Officer at PLAINS GP HOLDINGS LP.

Action
promoted
Role
Vice President, Accounting and Chief Accounting Officer
Exact text from the filing
effective September 1, 2026, Russ Montgomery will be promoted to the position of Vice President, Accounting and Chief Accounting Officer of Plains All American GP LLC, the general partner of PAA, and PAA GP Holdings LLC, the general partner of PAGP.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Chris Herbold departed as Senior Vice President, Finance and Chief Accounting Officer at PLAINS GP HOLDINGS LP.

Action
retiring
Role
Senior Vice President, Finance and Chief Accounting Officer
Exact text from the filing
Chris Herbold, who previously served as Senior Vice President, Finance and Chief Accounting Officer of PAA and PAGP, is retiring from the company on August 31, 2026.
View on SEC.gov

PLAINS GP HOLDINGS LP filing history →

Source: SEC EDGAR
accession 0001104659-26-069164
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