# EDGAR Filing Document

**Accession Number:** 0001729009
**File Stem:** 0001423902-26-000013
**Filing Date:** 2026-2
**Character Count:** 9975
**Document Hash:** 0a25d2f052e553f4e235f4642beb74aa
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001423902-26-000013.hdr.sgml**: 20260213

**ACCESSION NUMBER**: 0001423902-26-000013

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260212

**FILED AS OF DATE**: 20260213

**DATE AS OF CHANGE**: 20260213

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Dial Christopher B.
- **CENTRAL INDEX KEY:** 0001729009

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-35753
- **FILM NUMBER:** 26634710

**MAIL ADDRESS:**
- **STREET 1:** 2103 CITYWEST BLVD.
- **STREET 2:** BUILDING 4, SUITE 800
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77042
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Western Midstream Partners, LP
- **CENTRAL INDEX KEY:** 0001423902
- **STANDARD INDUSTRIAL CLASSIFICATION:** NATURAL GAS TRANSMISSION [4922]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 261075656
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 9950 WOODLOCH FOREST DRIVE, SUITE 2800
- **CITY:** THE WOODLANDS
- **STATE:** TX
- **ZIP:** 77380-7046
- **BUSINESS PHONE:** 346-786-5000

**MAIL ADDRESS:**
- **STREET 1:** 9950 WOODLOCH FOREST DRIVE, SUITE 2800
- **CITY:** THE WOODLANDS
- **STATE:** TX
- **ZIP:** 77380-7046

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Western Gas Equity Partners, LP
- **DATE OF NAME CHANGE:** 20121023

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** WGR Holdings LLC
- **DATE OF NAME CHANGE:** 20080115

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>Dial Christopher B.<br><sub>(Last) (First) (Middle)</sub><br>9950 WOODLOCH FOREST DR.<br><sub>(Street)</sub><br>THE WOODLANDS, TX 77380<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-02-12 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_SVP, GC and Secretary_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Western Midstream Partners, LP [ WES ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Units representing limited partner interests | 2026-02-12 |  | M |  | 10819 | A | $0 | 180208 | D |  |
| Common Units representing limited partner interests | 2026-02-12 |  | F |  | 4258 | D | $42.35 | 175950 | D |  |
| Common Units representing limited partner interests | 2026-02-12 |  | M |  | 14940 | A | $0 | 190890 | D |  |
| Common Units representing limited partner interests | 2026-02-12 |  | S |  | 5879 | D | $42.35 | 185011 | D |  |
| Common Units representing limited partner interests | 2026-02-12 |  | M |  | 10009 | A | $0 | 195020 | D |  |
| Common Units representing limited partner interests | 2026-02-12 |  | F |  | 3939 | D | $42.35 | 191081 | D |  |
| Common Units representing limited partner interests | 2026-02-12 |  | M |  | 25316 | A | $0 | 216397 | D |  |
| Common Units representing limited partner interests | 2026-02-12 |  | F |  | 9962 | D | $42.35 | 206435 | D |  |
| Common Units representing limited partner interests | 2026-02-12 |  | M |  | 30704 | A | $0 | 237139 | D |  |
| Common Units representing limited partner interests | 2026-02-12 |  | F |  | 12124 | D | $42.35 | 225015 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 2023 Phantom Units | <sup>(1)</sup> | 2026-02-12 |  | M |  |  | 10819 | <sup>(2)</sup> | 2026-02-12 | Common Units representing limited partner interests | 10819 | $0 | 0 | D |  |
| 2023 Performance Unit - TUR | <sup>(3)</sup> | 2026-02-12 |  | M |  |  | 25316 | 2026-02-12 | 2026-02-12 | Common Units representing limited partner interests | 25316 | $0 | 0 | D |  |
| 2023 Performance Unit - ROA | <sup>(3)</sup> | 2026-02-12 |  | M |  |  | 30704 | 2026-02-12 | 2026-02-12 | Common Units representing limited partner interests | 30704 | $0 | 0 | D |  |
| 2024 Phantom Units | <sup>(1)</sup> | 2026-02-12 |  | M |  |  | 14940 | <sup>(2)</sup> | 2027-02-12 | Common Units representing limited partner interests | 14940 | $0 | 14939 | D |  |
| 2024 Performance Unit - TUR | <sup>(3)</sup> |  |  |  |  |  |  | 2027-02-12 | 2027-02-12 | Common Units representing limited partner interests | 22409 |  | 22409 | D |  |
| 2024 Performance Unit - ROA | <sup>(3)</sup> |  |  |  |  |  |  | 2027-02-12 | 2027-02-12 | Common Units representing limited partner interests | 22409 |  | 22409 | D |  |
| 2025 Phantom Units | <sup>(1)</sup> | 2026-02-12 |  | M |  |  | 10009 | <sup>(2)</sup> | 2028-02-12 | Common Units representing limited partner interests | 10009 | $0 | 20017 | D |  |
| 2025 Performance Unit-TUR | <sup>(3)</sup> |  |  |  |  |  |  | 2028-02-12 | 2028-02-12 | Common Units representing limited partner interests | 15013 |  | 15013 | D |  |
| 2025 Performance Unit-ROA | <sup>(3)</sup> |  |  |  |  |  |  | 2028-02-12 | 2028-02-12 | Common Units representing limited partner interests | 15013 |  | 15013 | D |  |
| 2026 Phantom Units | <sup>(1)</sup> | 2026-02-12 |  | A |  | 32468 |  | <sup>(2)</sup> | 2029-02-12 | Common Units representing limited partner interests | 32468 | $0 | 32468 | D |  |
| 2026 Performance Unit - TUR | <sup>(4)</sup> | 2026-02-12 |  | A |  | 16234 |  | 2029-02-12 | 2029-02-12 | Common Units representing limited partner interests | 16234 | $0 | 16234 | D |  |
| 2026 Performance Unit - ROA | <sup>(4)</sup> | 2026-02-12 |  | A |  | 16234 |  | 2029-02-12 | 2029-02-12 | Common Units representing limited partner interests | 16234 | $0 | 16234 | D |  |

---

### Footnotes:

(1) Each Phantom Unit is the economic equivalent of one WES Common Unit representing limited partnership interests, and upon vesting, will entitle the holder to receive a common unit or, at the discretion of the Board of Directors of the General Partner, cash equal to the Fair Market Value of a Common Unit.

(2) These Phantom Units vest ratably over a three-year period on February 12th of each year, and will pay distribution equivalent rights in cash on a current basis.

(3) Each performance-based unit represents the right to receive, following vesting, between 0% and 200% of one WES Common Unit based upon the achievement of pre-established performance metrics over a 3-year performance period.

(4) Each performance-based unit represents the right to receive, following vesting, between 0% and 200% of one WES Common Unit (or cash equivalent) based upon the achievement of pre-established performance metrics over a 3-year performance period.

**Signature:** /s/ Philip C. Neisel, as attorney-in-fact  
**Date:** 2026-02-13

### Remarks:

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.**