MPLX director granted 32.127 common units

Q: Does the MPLX director’s Form 4 indicate direct or indirect ownership of the units?

The MPLX director’s Form 4 indicates direct ownership of the units. The 32.127 common units granted on February 17, 2026 and the 1,743.699 units held after the transaction are all reported with a direct ownership code of "D".

MPLX LP director Ray N. Walker Jr. reported an equity award of 32.127 common units of limited partner interests on February 17, 2026.

Accepted by SEC EDGAR 02/19/2026 - 06:21 PM EST

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Rhea-AI Filing Summary

MPLX LP director Ray N. Walker Jr. reported an equity award of 32.127 common units of limited partner interests on February 17, 2026. The units were granted at a price of $0.00 per unit as a grant/award acquisition, not an open-market purchase. After this award, his directly held stake increased to 1,743.699 common units.

Insider Trade Summary

Grant/Award: 32.127 shares

Grant/Award 1 txn

Insider Walker Ray N JR

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Units (Limited Partner Interests)	32.127	$0.00	$0.00

Holdings After Transaction: Common Units (Limited Partner Interests) — 1,743.699 shares (Direct)

FAQ

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What insider transaction did MPLX director Ray N. Walker Jr. report on this Form 4?

MPLX director Ray N. Walker Jr. reported receiving a grant of 32.127 common units of limited partner interests. The award was recorded on February 17, 2026 and classified as a grant, award, or other acquisition, rather than an open-market transaction.

How many MPLX units does Ray N. Walker Jr. own after this reported award?

After the reported award, Ray N. Walker Jr. directly holds 1,743.699 MPLX common units. This figure reflects his total direct beneficial ownership of limited partner interests immediately following the February 17, 2026 grant transaction.

Was the MPLX Form 4 transaction a purchase or a compensation grant?

The MPLX Form 4 shows a compensation grant, not a purchase. The 32.127 common units were acquired under transaction code "A", identified as a grant, award, or other acquisition at a price of $0.00 per unit to the reporting director.

What does transaction code "A" mean in the MPLX Form 4 filing?

In this MPLX Form 4, transaction code "A" denotes a grant, award, or other acquisition. It indicates the director received 32.127 common units as an equity award, rather than buying them in the market, and the units increased his direct ownership position.

Does the MPLX director’s Form 4 indicate direct or indirect ownership of the units?

The MPLX director’s Form 4 indicates direct ownership of the units. The 32.127 common units granted on February 17, 2026 and the 1,743.699 units held after the transaction are all reported with a direct ownership code of "D".

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SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Walker Ray N JR

(Last)

(First)

(Middle)

C/O MPLX LP

200 E. HARDIN STREET

(Street)

FINDLAY

45840

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
MPLX LP [ MPLX ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/17/2026

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

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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Units (Limited Partner Interests)	02/17/2026		A		32.127	A	$0	1,743.699	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

Remarks:

The Reporting Person is a Director of MPLX GP LLC, the general partner of the Issuer. The Issuer is managed by the directors and executive officers of MPLX GP LLC.

	/s/ Molly R. Benson, Attorney-in-Fact for Ray N. Walker Jr.	02/19/2026
	** 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 4 (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.

Source: View Original Filing on SEC EDGAR