Plains GP Holdings COO holds 120 shares directly

The report separates Dean Liollio’s direct position from Class A shares held indirectly by his spouse and child.

Rhea-AI Filing Summary

Plains GP Holdings LP (PAGP) reports EVP & COO Dean Liollio’s Class A share holdings on October 2, 2026: 120 shares held directly. The report also lists 280 shares held indirectly by his spouse and 140 shares held indirectly by his child.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Liollio Dean

Role EVP & COO

Type	Security	Shares	Price	Value
holding	Class A Shares	--	--	--
holding	Class A Shares	--	--	--
holding	Class A Shares	--	--	--

Holdings After Transaction: Class A Shares — 120 shares (Direct); Class A Shares — 280 shares (Indirect, By Spouse); Class A Shares — 140 shares (Indirect, By Child)

Key Figures

Direct Class A shares: 120 shares Class A shares held by spouse: 280 shares Class A shares held by child: 140 shares

3 metrics

Direct Class A shares 120 shares Reported October 2, 2026

Class A shares held by spouse 280 shares Reported as indirect holdings on October 2, 2026

Class A shares held by child 140 shares Reported as indirect holdings on October 2, 2026

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many PAGP shares did Dean Liollio report holding?

Dean Liollio’s report lists 120 Class A shares held directly, along with 280 shares held indirectly by his spouse and 140 shares held indirectly by his child, reported on October 2, 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/07/2026 - 05:21 PM EDT Accepted by SEC EDGAR 10/07/2026 - 05:21 PM EDT Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Liollio Dean

(Last) (First) (Middle)

333 CLAY STREET

SUITE 1600

(Street)

HOUSTON TEXAS 77002

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
10/02/2026

3. Issuer Name and Ticker or Trading Symbol
PLAINS GP HOLDINGS LP [ PAGP ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & COO

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class A Shares	120	D
Class A Shares	280	I	By Spouse
Class A Shares	140	I	By Child

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Dean Liollio	10/07/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)